Chapter 18 Hybrid Vigor

Save this PDF as:
 WORD  PNG  TXT  JPG

Size: px
Start display at page:

Download "Chapter 18 Hybrid Vigor"

Transcription

1 Chapter 18 Hybrid Vigor I. A Population Model for Hybrid Vigor II. Measuring Hybrid Vigor III. Individual, Maternal, and Paternal Hybrid Vigor IV. Loss of Hybrid Vigor V. Predicting Hybrid Vigor

2 Chapter 18 Hybrid Vigor Learning Objective: To understand the genetic basis for the effects or consequences of outbreeding (linecrossing and crossbreeding), which are actually the opposite for those of inbreeding, and learn how to properly apply this breeding tool. In addition, students will learn how to calculate values of hybrid vigor (heterosis) from planned and specific linecrossing and crossbreeding mating systems.

3

4 I. A Population Model for Hybrid Vigor Crossbreeding Mating of parents from two or more different breeds Crossbreeding is widely used in the commercial livestock industry. Crossbreds: Most market or meat animals are crossbreds because they are generally more profitable due to G.

5 I. A Population Model for Hybrid Vigor Why are crossbreds more profitable? Hybrid vigor (Heterosis) Increase in performance of crossbreds compared to the average of parental breeds, due to dominance and epistasis (GCV), most noticeably for fertilityand survival-related traits. The first-cross, F 1, generation expresses maximum hybrid vigor. Breed Complementation Combining breed strengths by utilizing sire and dam breeds, due to breeding value (BV).

6

7 II. Measuring Hybrid Vigor Genetic influences on livestock traits: Repro/ Health Production Yield Heritability (BV) Low Moderate High Heterosis (GCV) High Moderate Low

8

9

10 II. Measuring Hybrid Vigor _ = P F1 - P P %HV = X 100 = P P Example A measure of within-litter uniformity for 70-day market weights average 6.5% for both purebred Altex and New Zealand White parental breeds, and 5.5 and 6.2% for the mean of Altex X NZW and NZW X Altex crossbreds: %HV = X 100 = -10.0% 6.5

11

12 II. Measuring Hybrid Vigor _ = P F1 - P P %HV = X 100 = P P Example Means for milk production in dairy cattle is 12,000 lbs for Jersey and 18,000 lbs for Holstein breeds. The combined average for Jersey X Holstein crossbreds is 16,000 lbs: 16,000 15,000 %HV = X 100 = 6.67% 15,000

13 II. Measuring Hybrid Vigor Trait Type of Cross Bos taurus Bos taurus Bos indicus Bos taurus Maternal Heterosis Calving rate 3.7% 13.4% Calf survival 1.5% 5.1% Birth weight 2.4% 11.1% Weaning weight 3.9% 12.6% Adapted from: Cundiff et al., 1994

14 III. Individual, Maternal, and Paternal Hybrid Vigor

15 IV. Loss of Hybrid Vigor F 1 X F 1 (Aa X Aa) A a A AA Aa The result is a 50% loss in hybrid vigor, which is a direct reflection of the loss of heterozygosity. a Aa aa

16 IV. Loss of Hybrid Vigor Back-cross (AA X Aa) Back-cross (aa X Aa) A a A a AA Aa A a Aa aa For either backcross, the result is a 50% loss in hybrid vigor, which is a direct reflection of the loss of heterozygosity.

17 V. Predicting Hybrid Vigor III. Below are performance figures of purebred and crossbred sows for 21-day litter weight: Breed group 21-d litter weight Yorkshire(Y) 110 Hampshire (H) 90 H X Y 125 Y X H 105 1) Calculate the percentage maternal hybrid vigor for this trait. 2) Identify the best maternal breed. Explain your answer.

18 IV. Calculate the percentage maximum heterosis potential (individual heterosis in the offspring and maternal heterosis in the dam) for the following breed crosses: Y = Yorkshire, H = Hampshire, and D = Duroc. To arrive at figures for Total calculated heterosis, use individual and maternal heterosis values of 12 and 18 pounds, respectively. Total Individual Maternal calculated heterosis heterosis heterosis 1) Y X Y 2) H X Y 3) D X HY 4) HY X HY 5) Y X HY Formula : ˆ n ˆ %RHV = ( 1 - p si p di )F 1 HV i=1

19 V. Predicting Hybrid Vigor I. Below are genetic performance figures for fertility (pregnancy success) in purebred and crossbred cows: Breed group Fertility, % Brahman (B) 82 Hereford (H) 86 H X B 88 B X H Calculate percentage hybrid vigor for this trait. What type of non-additive gene action (i.e., form of dominance) is suggested? 2. Is there evidence of a maternal breed effect? Explain why or why not.

20 V. Predicting Hybrid Vigor (Prob. 18.5) II. Calculate the maximum heterosis potential (direct heterosis in the following five calves, and maternal heterosis of their dams) in different breed crosses (A = Red Angus, H = Hereford, and C = Charolais) involving weaning weight performance. To arrive at figures for Total calculated heterosis, use individual and maternal heterosis values of 27 and 44 pounds, respectively. Individual Maternal Total calculated heterosis heterosis heterosis 1) H X H 2) H X A 3) HA X H 4) C X HA 5) C X HHA The HHA dam is 75% H and 25% A.

21 V. Santa Gertrudis cattle are 5/8 Shorthorn and 3/8 Brahman. Calculate the level of retained heterosis: ˆ n Formula : %RHV = ( 1 - p si p di ) X 100% i=1 Photo: King Ranch

22

REPRODUCTION AND BREEDING Crossbreeding Systems for Beef Cattle

REPRODUCTION AND BREEDING Crossbreeding Systems for Beef Cattle Beef Cattle REPRODUCTION AND BREEDING Crossbreeding Systems for Beef Cattle Pete Anderson University of Minnesota Beef Team It has been well documented that crossbreeding improves performance of beef cattle.

More information

Crossbreeding Dairy Cattle

Crossbreeding Dairy Cattle The Babcock Institute University of Wisconsin Dairy Updates Crossbreeding Dairy Cattle Reproduction and Genetics No. 610 Author: Daniel Z. Caraviello 1 Crossbreeding 1 The primary goal of dairy cattle

More information

Red Angus. Crossbreeding Solutions

Red Angus. Crossbreeding Solutions Red Angus Crossbreeding Solutions Many commercial cow/calf operators enhance the profitability of their operations through thoughtful application of heterosis and breed complementarity made available through

More information

Evaluation Of The Charolais As Straightbred And Crossbred For Beef Production In South Central Florida

Evaluation Of The Charolais As Straightbred And Crossbred For Beef Production In South Central Florida Evaluation Of The Charolais As Straightbred And Crossbred For Beef Production In South Central Florida February 1977 - Bulletin 786 Agricultural Experiment Stations Institute of Food and Agricultural Sciences

More information

Crossbreeding Beef Cattle

Crossbreeding Beef Cattle Crossbreeding Beef Cattle Cooperative Extension Service Kansas State University Manhattan Crossbreeding Beef Cattle Although the benefits of crossbreeding have been known for many years, it has been accepted

More information

Improvement of the economic position of the farm or ranch

Improvement of the economic position of the farm or ranch Bob Weaber, University of Missouri-Columbia Improvement of the economic position of the farm or ranch is an ongoing process for many commercial cow-calf producers. Profitability may be enhanced by increasing

More information

CROSSBREEDING. with Simmentaler for more beef

CROSSBREEDING. with Simmentaler for more beef CROSSBREEDING with Simmentaler for more beef Simmentaler committed to Genetic Improvement Simmentaler X Brahman F1 Crosses Profitabil Crossbreeding The economic climate of today s beef farming business

More information

Linebreeding: A Mating Decision. Richard Browning Jr., PhD Tennessee State University Nashville, TN

Linebreeding: A Mating Decision. Richard Browning Jr., PhD Tennessee State University Nashville, TN Linebreeding: A Mating Decision Richard Browning Jr., PhD Tennessee State University Nashville, TN Breeders have two types of decisions to make: 1. Which bucks and does to keep and use as breeding stock?

More information

Beef Cattle Breeds and Biological Types Scott P. Greiner, Extension Animal Scientist, Virginia Tech

Beef Cattle Breeds and Biological Types Scott P. Greiner, Extension Animal Scientist, Virginia Tech publication 400-803 Beef Cattle Breeds and Biological Types Scott P. Greiner, Extension Animal Scientist, Virginia Tech Worldwide there are more than 250 breeds of beef cattle. Over 60 of these breeds

More information

The Canadian Pork Industry. Value of Cross-Breeding and Genetic Improvement for the Producer. Getting the Most From Genetics. 1. A Good Genetic Source

The Canadian Pork Industry. Value of Cross-Breeding and Genetic Improvement for the Producer. Getting the Most From Genetics. 1. A Good Genetic Source Value of Cross-Breeding and Genetic Improvement for the Producer Brian Sullivan Canadian Centre for Swine Improvement Inc. The Canadian Pork Industry $2.2 billion in pork exports in 2001 $560 million more

More information

Genetic Selection Tools for Improvement of Growth and Carcass Traits in Beef Cattle Keith Bertrand, University of Georgia, Athens.

Genetic Selection Tools for Improvement of Growth and Carcass Traits in Beef Cattle Keith Bertrand, University of Georgia, Athens. 73 Genetic Selection Tools for Improvement of Growth and Carcass Traits in Beef Cattle Keith Bertrand, University of Georgia, Athens Introduction There are many inputs that need to be considered by beef

More information

Mean EPDs reported by different breeds

Mean EPDs reported by different breeds Mean EPDs reported by different breeds Larry A. Kuehn and R. Mark Thallman Roman L. Hruska U.S. Meat Animal Research Center, USDA-ARS, Clay Center, NE 68933 Expected progeny differences (EPDs) have been

More information

Longhorn Cattle and Seed Stock Production

Longhorn Cattle and Seed Stock Production Longhorn Cattle and Seed Stock Production Are you a Seed Stock Producer? If you raise registered/pure bred cattle the answer is YES. What does it mean to be a Seed Stock Producer? A Seed stock Producer

More information

A Literature Review on Crossbreeding in Dairy Cattle. A Senior Project. Presented to the Faculty of the Dairy Science Department

A Literature Review on Crossbreeding in Dairy Cattle. A Senior Project. Presented to the Faculty of the Dairy Science Department A Literature Review on Crossbreeding in Dairy Cattle A Senior Project Presented to the Faculty of the Dairy Science Department California Polytechnic State University, San Luis Obispo In Partial Fulfillment

More information

The Comparison of Three-Breed Cross And Backcross Swine For Litter Productivity And Feedlot Performance

The Comparison of Three-Breed Cross And Backcross Swine For Litter Productivity And Feedlot Performance Swine The Comparison of Three-Breed Cross And Backcross Swine For Litter Productivity And Feedlot Performance E. R. Wilson, R. K. Johnson, R. Vend and S. D. Welty Story in Brief Crossbred gilts ofduroc,

More information

PO Box 1100, Platte City, MO (816) fax (816)

PO Box 1100, Platte City, MO (816) fax (816) 2015 Sire Summary PO Box 1100, Platte City, MO 64079-1100 (816) 431-9950 fax (816) 431-9951 E-mail: maine@kc.rr.com www.maine-anjou.org The Official Spring 2015 Sire Summary Foreword The Spring 2015 Sire

More information

Beef Cattle Handbook

Beef Cattle Handbook Beef Cattle Handbook BCH-1000 Product of Extension Beef Cattle Resource Committee Adapted from Beef Improvement Federation Beef Performance Glossary John Hough, Amercian Hereford Association David Notter,

More information

INTRODUCTION MATERIALS AND METHODS

INTRODUCTION MATERIALS AND METHODS 777 Statistical Genetic Studies on Cattle Breeding for Dairy Productivity in Bangladesh: II. Estimation of Reciprocal and Heterosis Effects and Optimum Crossbreeding System between the Local Breeds and

More information

SELECTING AND BREEDING THE UNIQUE BRAHMAN

SELECTING AND BREEDING THE UNIQUE BRAHMAN SELECTING AND BREEDING THE UNIQUE BRAHMAN PART I - INTRODUCTION The American Brahman, unique in many ways, differs from cattle of European origin in form, physiology and genetic make-up. The Brahman is

More information

Crossbreeding systems to target feeder steer markets

Crossbreeding systems to target feeder steer markets NSW Agriculture ABRI, University of New England Armidale NSW 2351 Ph: 02 6773 3555 Fax: 02 6772 5376 Email: suno@abri.une.edu.au Crossbreeding systems to target feeder steer markets Supplementary S5 Brian

More information

The subject of breeds intrigues most beef cattle. Type and Breed Characteristics and Uses. Texas Adapted Genetic Strategies for Beef Cattle V:

The subject of breeds intrigues most beef cattle. Type and Breed Characteristics and Uses. Texas Adapted Genetic Strategies for Beef Cattle V: E-190 3/09 Texas Adapted Genetic Strategies for Beef Cattle V: Type and Breed Characteristics and Uses A 1700s painting of the foundation cow of one of the first cattle breeds. Courtesy of Michigan State

More information

Planning the Breeding Program Darrh Bullock

Planning the Breeding Program Darrh Bullock SECTION 5 Planning the Breeding Program Darrh Bullock The quality of cattle produced by the beef industry is determined by the cattle s genetic makeup and the management system to which they are subjected.

More information

Genetic Evaluation of Dairy Cattle in Canada

Genetic Evaluation of Dairy Cattle in Canada Genetic Evaluation of Dairy Cattle in Canada Responsibility The calculation and publication of all dairy cattle genetic evaluations in Canada is the responsibility of Canadian Dairy Network (CDN). An 8-member

More information

How to Consider Genetic Characteristics in Dairy Cattle Breeding?

How to Consider Genetic Characteristics in Dairy Cattle Breeding? IT-Solutions for Animal Production How to Consider Genetic Characteristics in Dairy Cattle Breeding? Interbull Technical Workshop & Industry Meeting, February 24th-25th 2015 Segelke D. 1, Täubert H. 1,

More information

BREEDING BETTER BEEF. 2. EFFECT OF ANGUS, HEREFORD, AND SANTA GERTRUDIS SIRES ON PREWEANING PERFORMANCE OF CALVES

BREEDING BETTER BEEF. 2. EFFECT OF ANGUS, HEREFORD, AND SANTA GERTRUDIS SIRES ON PREWEANING PERFORMANCE OF CALVES 630 US ISSN 0271-9916 September 1985 RESEARCH EXTENSION SERIES 058 BREEDING BETTER BEEF. 2. EFFECT OF ANGUS, HEREFORD, AND SANTA GERTRUDIS SIRES ON PREWEANING PERFORMANCE OF CALVES D. Reimer, E. M. Kaluba,

More information

The All-Breed Animal Model Bennet Cassell, Extension Dairy Scientist, Genetics and Management

The All-Breed Animal Model Bennet Cassell, Extension Dairy Scientist, Genetics and Management publication 404-086 The All-Breed Animal Model Bennet Cassell, Extension Dairy Scientist, Genetics and Management Introduction The all-breed animal model is the genetic-evaluation system used to evaluate

More information

BLUP Breeding Value Estimation. Using BLUP Technology on Swine Farms. Traits of Economic Importance. Traits of Economic Importance

BLUP Breeding Value Estimation. Using BLUP Technology on Swine Farms. Traits of Economic Importance. Traits of Economic Importance Using BLUP Technology on Swine Farms Dr. John W. Mabry Iowa State University BLUP Breeding Value Estimation BLUP = Best Linear Unbiased Prediction Prediction of an animals genetic merit (BV) Unbiased means

More information

Use of Terminal Sires and Maternal Composites in Herds of All Sizes. R. Mark Thallman

Use of Terminal Sires and Maternal Composites in Herds of All Sizes. R. Mark Thallman Use of Terminal Sires and Maternal Composites in Herds of All Sizes R. Mark Thallman Main Take-Home Message If the genetic potential for growth is the same in commercial cows as it is in the bulls they

More information

Performance Traits in Beef Cattle:

Performance Traits in Beef Cattle: Performance Traits in Beef Cattle: Weighing Cows and Calves Performance test guidelines recommend calves be weighed when they are close to 205 days of age. The accepted age range is 160 to 250 days of

More information

Animal Birth Registration

Animal Birth Registration Worksheet 2 Animal Birth Registration All calves must be tagged within 20 days of birth. Within 7 days of tagging all calf births must be registered with the Cattle Movement Monitoring System (CMMS). The

More information

Swedish Pig Production. Nils Lundeheim Department of Animal Breeding and Genetics Swedish University of Agricultural Sciences

Swedish Pig Production. Nils Lundeheim Department of Animal Breeding and Genetics Swedish University of Agricultural Sciences Swedish Pig Production Nils Lundeheim Department of Animal Breeding and Genetics Swedish University of Agricultural Sciences Swedish pig production, history Pig production grew around 1900 to take care

More information

An Electronic Field Trip to a Beef Cattle Farm Kentucky Cooperative Extension Service University of Kentucky College of Agriculture

An Electronic Field Trip to a Beef Cattle Farm Kentucky Cooperative Extension Service University of Kentucky College of Agriculture An Electronic Field Trip to a Beef Cattle Farm Kentucky Cooperative Extension Service University of Kentucky College of Agriculture Reading Comprehension - Breeds Just as there are many breeds of dogs

More information

The subject of breeds intrigues most beef cattle producers. Type and Breed Characteristics and Uses

The subject of breeds intrigues most beef cattle producers. Type and Breed Characteristics and Uses EAN-003 11/14 Texas Adapted Genetic Strategies for Beef Cattle V: Type and Breed Characteristics and Uses A 1700s painting of the foundation cow of an early cattle breed. (Source: Michigan State University

More information

COW/CALF MANAGEMENT Minimizing Calving Difficulty in Beef Cattle

COW/CALF MANAGEMENT Minimizing Calving Difficulty in Beef Cattle Beef Cattle COW/CALF MANAGEMENT Minimizing Calving Difficulty in Beef Cattle Pete Anderson Extension Beef Cattle Specialist Calving difficulty (dystocia) contributes heavily to losses in production in

More information

Veterinary Science Preparatory Training for the Veterinary Assistant. Floron C. Faries, Jr., DVM, MS

Veterinary Science Preparatory Training for the Veterinary Assistant. Floron C. Faries, Jr., DVM, MS Veterinary Science Preparatory Training for the Veterinary Assistant Floron C. Faries, Jr., DVM, MS Breeds of Livestock Floron C. Faries, Jr., DVM, MS Objectives Describe the classification system for

More information

BREEDING AND GENETICS

BREEDING AND GENETICS Swine Production Handbook Section 9: Breeding and Genetics Page 99 BREEDING AND GENETICS 1. Traditional Common Breeds in the U.S. INTRODUCTION A. Berkshire Originated in Berkshire, South Central England.

More information

The impact of genomic selection on North American dairy cattle breeding organizations

The impact of genomic selection on North American dairy cattle breeding organizations The impact of genomic selection on North American dairy cattle breeding organizations Jacques Chesnais, George Wiggans and Filippo Miglior The Semex Alliance, USDA and Canadian Dairy Network 2000 09 Genomic

More information

Replacement Heifers Costs and Return on Investment Calculation Decision Aids

Replacement Heifers Costs and Return on Investment Calculation Decision Aids Replacement Heifers Costs and Return on Investment Calculation Decision Aids The purpose of this replacement heifer cost decision aid is to calculate total production costs and return on investment (ROI)

More information

Swine EPD Terminology

Swine EPD Terminology Swine EPD Terminology EPD- Expected Progeny Difference is the best estimate or indicator of a sire or dam s genetic potential. It is the actual differences in production a pork producer could expect from

More information

Poultry Genetics. AgScience Poultry Science Curriculum Section 2

Poultry Genetics. AgScience Poultry Science Curriculum Section 2 Poultry Genetics AgScience Poultry Science Curriculum Section 2 Historical Overview Bird used prior to 1950s were dual purpose 1950s saw introduction of breeding for a specific purpose Dual Purpose Dual

More information

ANGUS Advantages. American Angus Association Page 1

ANGUS Advantages. American Angus Association Page 1 ANGUS Advantages American Angus Association Page 1 Page 2 American Angus Association The ANGUS Advantage A life in the cattle business is filled with great challenges and great rewards. That holds true

More information

Performance of Hereford and

Performance of Hereford and Performance of Hereford and Charolais x Hereford Crossbred Cattle in Eastern Oregon r Station Bulletin 603 June 1966 Agricultural Experiment Station, Oregon State University, Corvallis Contents Results

More information

Conservation of the Tswana cattle breed in Botswana. Summary. Résumé. Introduction. Ntombizakhe Mpofu

Conservation of the Tswana cattle breed in Botswana. Summary. Résumé. Introduction. Ntombizakhe Mpofu Conservation of the Tswana cattle breed in Botswana Ntombizakhe Mpofu Animal Production and Range Research, P Bag 0033, Gaborone, Botswana Key word: Animal genetic resources, Characterisation, Genetic

More information

PureTek Genetics Technical Report February 28, 2016

PureTek Genetics Technical Report February 28, 2016 Utilization of commercial female data in maternal genetic improvement programs D. W. Newcom, 1 BS, MS, PhD; V. Duttlinger, 2 AS; C. Witte, 2 BS; M. Brubaker, 2 BS, MS; S. E. Lawrence, 2 BS, MS; C. Dematawewa,

More information

Managing Inbreeding within Sheep Breeding Programmes. Samuel Boon, Signet Breeding Services, Updated June 2014

Managing Inbreeding within Sheep Breeding Programmes. Samuel Boon, Signet Breeding Services, Updated June 2014 Managing Inbreeding within Sheep Breeding Programmes Samuel Boon, Signet Breeding Services, Updated June 2014 The challenge to avoiding inbreeding To make the fastest genetic progress in any particular

More information

The California commercial. ranch project

The California commercial. ranch project The California commercial. Alison Van Eenennaam Animal Genomics and Biotechnology Cooperative Extension Specialist alvaneenennaam@ucdavis.edu Kristina Weber Ph.D. graduate student klweber@ucdavis.edu ranch

More information

Genomic Selection in. Applied Training Workshop, Sterling. Hans Daetwyler, The Roslin Institute and R(D)SVS

Genomic Selection in. Applied Training Workshop, Sterling. Hans Daetwyler, The Roslin Institute and R(D)SVS Genomic Selection in Dairy Cattle AQUAGENOME Applied Training Workshop, Sterling Hans Daetwyler, The Roslin Institute and R(D)SVS Dairy introduction Overview Traditional breeding Genomic selection Advantages

More information

Brent Czech New Heights Dairy LLC

Brent Czech New Heights Dairy LLC Brent Czech New Heights Dairy LLC UNIVERSITY OF FLORIDA DAIRY PRODUCTION CONFERENCE Background -Grew up on 500 cow dairy, dad started in 1980 with 23 cows -Graduated from University of MN in May 2006 -New

More information

BREAK-EVEN COSTS FOR COW/CALF PRODUCERS

BREAK-EVEN COSTS FOR COW/CALF PRODUCERS L-5220 9/98 BREAK-EVEN COSTS FOR COW/CALF PRODUCERS L.R. Sprott* CALCULATING BREAK-EVEN COSTS of production can help cow/calf producers make better management decisions for the current year or for the

More information

Inheritance of Color And The Polled Trait Dr. R. R. Schalles, Dept. of Animal Sciences and Industry Kansas State University

Inheritance of Color And The Polled Trait Dr. R. R. Schalles, Dept. of Animal Sciences and Industry Kansas State University Inheritance of Color And The Polled Trait Dr. R. R. Schalles, Dept. of Animal Sciences and Industry Kansas State University Introduction All functions of an animal are controlled by the enzymes (and other

More information

MODULE 1B PART A: STUDENT FACTSHEET SOURCES OF BEEF THE SUCKLER HERD

MODULE 1B PART A: STUDENT FACTSHEET SOURCES OF BEEF THE SUCKLER HERD MODULE 1B PART A: STUDENT FACTSHEET SOURCES OF BEEF THE SUCKLER HERD A substantial part of this work is based on Hybu Cig Cymru (www.hccmpw.org.uk) The following booklets by Hybu Cig Cymru are important:-

More information

Beef Cattle Feed Efficiency. Dan Shike University of Illinois

Beef Cattle Feed Efficiency. Dan Shike University of Illinois Beef Cattle Feed Efficiency Dan Shike University of Illinois Outline Introduction Definitions of feed efficiency Feedlot closeout data Challenges we face New technology Cow efficiency Summary Why all the

More information

QUEENSLAND BEEF INDUSTRY INSTITUTE

QUEENSLAND BEEF INDUSTRY INSTITUTE QUEENSLAND BEEF INDUSTRY INSTITUTE Queensland Government Department of Primary Industries Training Series QE 93015 nr «. ^ for Compiled by Jolnn Bertram et a! Department of Primary Industries Queensland

More information

Producing Right Sized Cows Cow Size and Efficiency: Solving the Puzzle

Producing Right Sized Cows Cow Size and Efficiency: Solving the Puzzle Producing Right Sized Cows Cow Size and Efficiency: Solving the Puzzle Jennifer J. Johnson, J.D. Radakovich, and Barry H. Dunn King Ranch Institute for Ranch Management Texas A&M University Kingsville

More information

Cattlemen s Corner Beef Newsletter

Cattlemen s Corner Beef Newsletter Owyhee County Cattlemen s Corner Beef Newsletter May, 2013 Inside this issue: Transferring Cattle to the Next Generation Gestation and Dystocia Lost Rivers Grazing Academy Southwest Idaho Beef Producers

More information

Dairy Cattle Judging Test

Dairy Cattle Judging Test Dairy Cattle Judging Test 1. The Ayrshire breed originated in a. England c. Scotland b. France d. Switzerland 2. The Brown Swiss breed originated in a. England c. Scotland b. France d. Switzerland 3. The

More information

Practical Sheep Breeding

Practical Sheep Breeding Practical Sheep Breeding Introduction Hybu Cig Cymru/Meat Promotion Wales (HCC) was established in April 2003 and is the strategic body for the promotion and development of the Welsh red meat industry.

More information

Carcass Traits and Merit

Carcass Traits and Merit Carcass Traits and Merit Utilization of Bos indicus Cattle in Florida Beef Enterprises David G. Riley 1, Chad C. Chase, Jr. 2, Dwain D. Johnson 3, Timothy A. Olson 4, Roger L. West 5, Sam W. Coleman 6,

More information

Dam Lines. - Danish Yorkshire - Danish Landrace - DanHybrid (LY/YL)

Dam Lines. - Danish Yorkshire - Danish Landrace - DanHybrid (LY/YL) Dam Lines - Danish Yorkshire - Danish Landrace - DanHybrid (LY/YL) Danish Yorkshire In order to compare the productivity of Danish Yorkshire with other damlines, Danish Pig Production tested Danish Yorkshire

More information

Crossbreeding in Dairy Cattle: Pros and Cons

Crossbreeding in Dairy Cattle: Pros and Cons Crossbreeding in Dairy Cattle: Pros and Cons Conrad P. Ferris 1, Bradley J. Heins 2 and Frank Buckley 3 Presented by Frank Buckley 1 Agriculture Branch, Agri-Food and Biosciences Institute (AFBI), Hillsborough,

More information

Dairy Cattle Background Information

Dairy Cattle Background Information Dairy Cattle Background Information Dairying is another major Australian rural industry in which production significantly exceeds domestic requirements and Australia has emerged as one of the world s major

More information

Cattleman s Top Cut Sale Mid-Tex Livestock Auction, Navasota, Texas November 12, 2011 * 12:00 Noon

Cattleman s Top Cut Sale Mid-Tex Livestock Auction, Navasota, Texas November 12, 2011 * 12:00 Noon Cattleman s Top Cut Sale Mid-Tex Livestock Auction, Navasota, Texas November 12, 2011 * 12:00 Noon 1. 22-ABBA Golden Certified Brahman X Hereford heifers selling 6-7 months bred to Low Birth Weight Angus

More information

Australian Santa Gertrudis Selection Indexes

Australian Santa Gertrudis Selection Indexes Australian Santa Gertrudis Selection Indexes There are currently two different selection indexes calculated for Australian Santa Gertrudis animals. These are: Domestic Production Index Export Production

More information

Beef Cattle. Production MP184 DIVISION OF AGRICULTURE R E S E A R C H & E X T E N S I O N

Beef Cattle. Production MP184 DIVISION OF AGRICULTURE R E S E A R C H & E X T E N S I O N MP184 Beef Cattle Production DIVISION OF AGRICULTURE R E S E A R C H & E X T E N S I O N University of Arkansas System University of Arkansas, United States Department of Agriculture, and County Governments

More information

Impact of reproductive technologies on improved genetics in beef cattle

Impact of reproductive technologies on improved genetics in beef cattle Impact of reproductive technologies on improved genetics in beef cattle JE Kinder 1, JM Osborne 1, ME Davis 1, ML Day 1 1 The Ohio State University, Department of Animal Sciences, Columbus, Ohio 43210,

More information

2016 Beef Information Sheet

2016 Beef Information Sheet 2016 Beef Information Sheet Prepared by the 4 H State Fair Beef Show Committee and the Center for Youth Development This information sheet gives details on the rules for this year s Minnesota State Fair

More information

Selecting and managing beef heifers

Selecting and managing beef heifers MaY 2007 PriMefaCt 626 Selecting and managing beef heifers Juliet McConochie Livestock Officer (Beef Products), Walgett Introduction Your heifers contain the latest genetic changes that you, the breeder,

More information

ESTIMATING RETURNS FROM PAST INVESTMENTS INTO BEEF CATTLE GENETICS RD&E IN AUSTRALIA

ESTIMATING RETURNS FROM PAST INVESTMENTS INTO BEEF CATTLE GENETICS RD&E IN AUSTRALIA ESTIMATING RETURNS FROM PAST INVESTMENTS INTO BEEF CATTLE GENETICS RD&E IN AUSTRALIA G.R. Griffith 1,6, R.J. Farquharson 2, S.A. Barwick 3,6, R.G. Banks 4 and W.E. Holmes 5,6 1 NSW Agriculture, Beef Industry

More information

Genomics in the beef industry: US situation

Genomics in the beef industry: US situation Genomics in the beef industry: US situation Alison Van Eenennaam, Ph.D. Animal Genomics and Biotechnology Cooperative Extension Specialist Department of Animal Science University of California, Davis,

More information

1 j, 1 Agriculture. Canada. Publication 1877/E *« Practical guide. to swine breeding. i i 14-2R 93-1 OP 3-1T. i 11-1R 29-9S ' 9-9R.

1 j, 1 Agriculture. Canada. Publication 1877/E *« Practical guide. to swine breeding. i i 14-2R 93-1 OP 3-1T. i 11-1R 29-9S ' 9-9R. 1 j, 1 Agriculture Canada Publication 1877/E *«9 -* Practical guide to swine breeding 3-1T i 14-2R 93-1 OP 29-9S i 99-1 i 11-1R ' 9-9R Canada Reprinted with the financial support of the following: Canadian

More information

BREEDS OF BEEF CATTLE

BREEDS OF BEEF CATTLE Beef Cattle Beef Cattle 23 BREEDS OF BEEF CATTLE Table 1 outlines some breeds of beef cattle that are common in the United States. Each breed is categorized by frame size, muscling, mature cow weight,

More information

Major Advances in Globalization and Consolidation of the Artificial Insemination Industry

Major Advances in Globalization and Consolidation of the Artificial Insemination Industry J. Dairy Sci. 89:1362 1368 American Dairy Science Association, 2006. Major Advances in Globalization and Consolidation of the Artificial Insemination Industry D. A. Funk ABS Global, Inc., DeForest, WI

More information

animal science STEM-Based

animal science STEM-Based animal science STEM-Based BOY SCOUTS OF AMERICA MERIT BADGE SERIES ANIMAL SCIENCE Enhancing our youths competitive edge through merit badges Requirements 1. Name four breeds of livestock in each of the

More information

Beef Cattle Selection Handbook. A Basic Guide to Selecting Feeder Cattle, Breeding Heifers, and Bulls

Beef Cattle Selection Handbook. A Basic Guide to Selecting Feeder Cattle, Breeding Heifers, and Bulls Beef Cattle Selection Handbook A Basic Guide to Selecting Feeder Cattle, Breeding Heifers, and Bulls Where to Begin What are your goals? What type of animal will help you achieve these goals? Age? Sex?

More information

The Perfect Cow? Lesson Overview

The Perfect Cow? Lesson Overview The Perfect Cow? Lesson Overview GRADE LEVEL: Grades 9-12 TIME ALLOTMENT: Two to three 45-minute class periods OVERVIEW: Cattle evolved through the slow process of natural selection until human domestication,

More information

Appendix J. Genetic Implications of Recent Biotechnologies. Appendix Contents. Introduction

Appendix J. Genetic Implications of Recent Biotechnologies. Appendix Contents. Introduction Genetic Improvement and Crossbreeding in Meat Goats Lessons in Animal Breeding for Goats Bred and Raised for Meat Will R. Getz Fort Valley State University Appendix J. Genetic Implications of Recent Biotechnologies

More information

Creating Consistent Systems Cows

Creating Consistent Systems Cows Creating Consistent Systems Cows Ted Probert University of Missouri Extension Dairy Specialist Hartville, Missouri Defining Dairy Production Systems Conventional System (confinement) High input High per

More information

Marketing Opportunities for AI Bred Heifers and AI Sired Progeny Scott Brown University of Missouri

Marketing Opportunities for AI Bred Heifers and AI Sired Progeny Scott Brown University of Missouri Marketing Opportunities for AI Bred Heifers and AI Sired Progeny Scott Brown University of Missouri The U.S. cattle inventory was at 87.7 million head at the beginning of 2014, the lowest inventory for

More information

Replacement Heifers Costs and Return Calculation Decision Aids

Replacement Heifers Costs and Return Calculation Decision Aids Replacement Heifers Costs and Return Calculation Decision Aids The purpose of these replacement heifer cost decision aids is to calculate total production costs and return on investment (ROI) to evaluate

More information

Genetic parameters and relationships between hip height and weight in Brahman cattle 1,2

Genetic parameters and relationships between hip height and weight in Brahman cattle 1,2 Genetic parameters and relationships between hip height and weight in Brahman cattle 1,2 C. A. Vargas*, M. A. Elzo*,3, C. C. Chase, Jr., and T. A. Olson* *University of Florida, Gainesville 32611-0910

More information

Abbreviation key: NS = natural service breeding system, AI = artificial insemination, BV = breeding value, RBV = relative breeding value

Abbreviation key: NS = natural service breeding system, AI = artificial insemination, BV = breeding value, RBV = relative breeding value Archiva Zootechnica 11:2, 29-34, 2008 29 Comparison between breeding values for milk production and reproduction of bulls of Holstein breed in artificial insemination and bulls in natural service J. 1,

More information

Reproductive technologies. Lecture 15 Introduction to Breeding and Genetics GENE 251/351 School of Environment and Rural Science (Genetics)

Reproductive technologies. Lecture 15 Introduction to Breeding and Genetics GENE 251/351 School of Environment and Rural Science (Genetics) Reproductive technologies Lecture 15 Introduction to Breeding and Genetics GENE 251/351 School of Environment and Rural Science (Genetics) Animal Breeding in a nutshell Breeding objectives Trait measurement

More information

Canadian Herefords. & Genomics

Canadian Herefords. & Genomics Canadian Herefords & Genomics Genomics is re-inventing the art of cattle breeding. Traditional selection tools remain absolutely necessary. They are simply augmented and refined by new technologies. Throughout

More information

Understanding Genetics

Understanding Genetics Understanding Genetics and the Sire Summaries 1 Understanding Genetics and the Sire Summaries The goal of this workbook is to give young people a basic understanding of dairy cattle genetics and how it

More information

Economics of Estrus Synchronization and Artificial Insemination. Dr. Les Anderson and Paul Deaton University of Kentucky

Economics of Estrus Synchronization and Artificial Insemination. Dr. Les Anderson and Paul Deaton University of Kentucky Economics of Estrus Synchronization and Artificial Insemination Dr. Les Anderson and Paul Deaton University of Kentucky Introduction Few beef producers would disagree that the genetic potential available

More information

NAV routine genetic evaluation of Dairy Cattle

NAV routine genetic evaluation of Dairy Cattle NAV routine genetic evaluation of Dairy Cattle data and genetic models NAV December 2013 Second edition 1 Genetic evaluation within NAV Introduction... 6 NTM - Nordic Total Merit... 7 Traits included in

More information

The Costs of Raising Replacement Heifers and the Value of a Purchased Versus Raised Replacement

The Costs of Raising Replacement Heifers and the Value of a Purchased Versus Raised Replacement Managing for Today s Cattle Market and Beyond March 2002 The Costs of Raising Replacement Heifers and the Value of a Purchased Versus Raised Replacement By Dillon M. Feuz, University of Nebraska Numerous

More information

Crossbreeding results in Canadian dairy cattle for production, reproduction, and conformation.

Crossbreeding results in Canadian dairy cattle for production, reproduction, and conformation. Crossbreeding results in Canadian dairy cattle for production, reproduction, and conformation. Lawrence R. Schaeffer, Edward B Burnside, Paige Glover, Jalal Fatehi Centre for Genetic Improvement of Livestock,

More information

Alison Van Eenennaam Department of Animal Science. University of California, Davis

Alison Van Eenennaam Department of Animal Science. University of California, Davis Beef cattle breeding in Australia Alison Van Eenennaam Department of Animal Science CCA 11/16/2011 University of California, Davis Land mass of Australia ~ mainland U.S.A. Van Eenennaam 11/16/2011 Australia

More information

MINISTRY OF LIVESTOCK DEVELOPMENT SMALLHOLDER DAIRY COMMERCIALIZATION PROGRAMME. Artificial Insemination (AI) Service

MINISTRY OF LIVESTOCK DEVELOPMENT SMALLHOLDER DAIRY COMMERCIALIZATION PROGRAMME. Artificial Insemination (AI) Service MINISTRY OF LIVESTOCK DEVELOPMENT SMALLHOLDER DAIRY COMMERCIALIZATION PROGRAMME Artificial Insemination (AI) Service 1 1.0 Introduction The fertility of a dairy cattle is very important for a dairy farmer

More information

SHOW STEER SELECTION. Darrell Rothlisberger Rich County Agent Utah State University Extension

SHOW STEER SELECTION. Darrell Rothlisberger Rich County Agent Utah State University Extension September 2005 (pr) A6/4HLivestock/2005-06 SHOW STEER SELECTION Darrell Rothlisberger Rich County Agent Utah State University Extension BREEDS OF CATTLE There are many breeds of cattle. Listed on this

More information

214 Trop Anim Prod :3

214 Trop Anim Prod :3 214 Trop Anim Prod 1979 4:3 ADAPTIVE AND PRODUCTIVE FEATURES OF CATTLE GROWTH IN THE TROPICS: THEIR RELEVANCE TO BUFFALO PRODUCTION 1 J E Frisch and J E Vercoe 2 CSIRO, Cattle Research Centre, P O BOX

More information

Edinburgh Research Explorer

Edinburgh Research Explorer Edinburgh Research Explorer Gene flow in a national cross-breeding beef population Citation for published version: Todd, DL, Woolliams, JA & Roughsedge, T 2011, 'Gene flow in a national cross-breeding

More information

4-H Breeding Swine Project Reference Guide

4-H Breeding Swine Project Reference Guide 4-H Breeding Swine Project Reference Guide Table of Contents Section 1: Getting Started Introduction How to Use Your Reference Guide Purpose of the 4-H Breeding Swine Project Project Options What Do You

More information

Genetic Defects in Beef Cattle: An Update. Outline. Inheritance. Inheritance. Genetic Defects. ½D ½d. ½D ¼DD ¼Dd. ½d ¼Dd ¼dd

Genetic Defects in Beef Cattle: An Update. Outline. Inheritance. Inheritance. Genetic Defects. ½D ½d. ½D ¼DD ¼Dd. ½d ¼Dd ¼dd Genetic Defects in Beef Cattle: An Update Dan W. Moser, Ph.D. Dept. of Animal Sciences and Industry Kansas State University, Manhattan Outline How are defects inherited? What defects exist in which breeds?

More information

THE BELIZE LIVESTOCK INDUSTRY

THE BELIZE LIVESTOCK INDUSTRY THE BELIZE LIVESTOCK INDUSTRY A BRIEF ACCOUNT By Harold Parham Chief Executive Officer Belize Livestock Producers Association April 29 th 2009 Domestic Livestock of Economic Importance Cattle Pig Sheep

More information

Production Performance of Different Cross Breeds of Milch Cow in Mithapukur Upazila, Rangpur, Bangladesh

Production Performance of Different Cross Breeds of Milch Cow in Mithapukur Upazila, Rangpur, Bangladesh International Journal of Advanced Multidisciplinary Research (IJAMR) ISSN: 2393-8870 www.ijarm.com Volume 3, Issue 6-2016 Research Article SOI: http://s-o-i.org/1.15/ijarm-2016-3-6-5 Production Performance

More information

Texas Show Steer Breed Classification

Texas Show Steer Breed Classification Texas Show Steer Breed Classification Jason Cleere, Extension Beef Cattle Specialist J.D. Ragland, Extension Agent-Randall County E. L. Schneider, Extension Agent-Robertson County Stephen Hammack, Extension

More information

INVITATION TO INVEST IN An AUSTRALIAN CATTLE & LAMB ENTERPRISE

INVITATION TO INVEST IN An AUSTRALIAN CATTLE & LAMB ENTERPRISE INVITATION TO INVEST IN An AUSTRALIAN CATTLE & LAMB ENTERPRISE You can own shares in an Australian livestock farming enterprise Secure access to Australia s premium beef and lamb products for import to

More information

Reducing methane emissions through improved lamb production

Reducing methane emissions through improved lamb production Reducing methane emissions through improved lamb production www.hccmpw.org.uk Hybu Cig Cymru / Meat Promotion Wales Tŷ Rheidol, Parc Merlin, Aberystwyth SY23 3FF Tel: 01970 625050 Fax: 01970 615148 Email:

More information