Calculations deo schema Secondo liveo Terzo liveoof of disinfectants Quarto liveo Yoni Segal FAO Consultant Calculations Application & yoni.segal@fao.org org 1
Objectives deo schema Secondo liveo q Terzo liveo Quarto liveo Describe the steps for poultry house cleaning and By the end of this session, participants wi be able to: Calculate correctly: - the area to be disinfected, - the amount of water required - the amount of disinfectant required disinfection 2
Fare clic Effective per modificare Disinfection gli stili del testo deo schema Secondo Concentration liveo & Contact time Terzo liveo Therefore Quarto liveo the correct calculation of the amount of disinfectant and water required for the spraying solution is extremely important 3
Fare clic per Calculations modificare lo stile How much disinfectant do I need? deo You need schema to calculate: Secondo liveo 2. Quantity of mixed solution required Terzo liveo Quarto 3. The liveo correct dilution rate (%), according to manufacturer recommendations 1. Area to be disinfected - in square meter (m²) (based on average of 300ml (0.3 liters) per 1m² (how much disinfectant and how much water) 4
Calculations deo g schema p p Secondo liveo Terzo liveo Quarto liveo How much disinfectant do I need? using Virkon powder as an example 5
1. Calculating the area to be disinfected (in del square titolo meter) Fare What clic is the per total tmodificare area to be gli sprayed? stili del testo including a was, floor and ceiling deo schema Secondo liveo Step 1 calculate the floor area How long (m) X How wide (m) = floor area in m² Terzo liveo Quarto Step 2 liveo calculate the room area (including a was, floor and ceiling) Floor area x 2.5 = total area to be sprayed in m² 6
Please calculate deo schema Secondo liveo Terzo liveo Quarto liveo 4m x 3m x 2.5 = 30m² If a room is 4 metre long and 3 metre wide What is the total room area to be sprayed? 7
2. Calculating l the quantity of mixed solution required (how much water + disinfectant) If we deo need schema to apply 300mls (0.3 liters) of mixed solution for every square meter (m²) of surface Secondo liveo Terzo liveo See product label Quarto liveo Room area x 300mls (0.3 liters) = Quantity of mixed solution required 8
Please calculate l If a room is 4 metres long and 3 metres wide deo schema Secondo liveo Terzo liveo spray the room? Quarto liveo What is the total room area to spray? How much mixed solution (in litres) is required to 4m x 3m x 2.5 = 30m² x 0.3L = 9L 9
3. Calculating disinfectant dilution rate Look at Virkon label for the recommended dilution rate deo schema Secondo liveo Terzo liveo Quarto liveo 1% dilution = add 1 gr of Virkon in every 100ml of water OR 10 grams Virkon in every liter of water 10
Dilution Rate If we are to spray 10 liters of solution how many deo grams schema of Virkon are required? Secondo liveo Terzo liveo Quarto liveo If we are to spray 100 liters of solution, how many grams are now required? 11
Please calculate If a room is 4 metres long and 3 metres wide What deo is schema the total room area to spray? Secondo liveo How much mixed solution (in litres) is required Terzo liveo to spray the room? Quarto liveo What is the total room area to spray? How much mixed solution (in litres) is required How many grams of Virkon are required? 4m x 3m x 2.5 = 30m² x 0.3L = 9L x 1% = 90gr 12
Exercise A poultry house is 40 m long and 10m wide Virkon powder is required for disinfection at 1% dilution deo schema Secondo liveo Terzo liveo Quarto liveo How many grams of Virkon powder are required? Answer: Floor area X 2.5 = Total Area = 400 m 2 X 2.5 = 1000m 2 1000 x 0.3 = 300 liters of mixed solution to spray the room 300 liters at 1% dilution rate = 3000 grams (3KG) Virkon 13
Mixing rate at different concentrations deo schema Secondo liveo Terzo liveo Quarto liveo 1 : 50 2% 20 gr or ml / Lit 1 :100 1% 10 gr or ml / Lit 1 :150 0.75 % 7.5 gr or ml / Lit 1 : 200 0.5 % 5 gr or ml / Lit 1 : 250 0.4 % 4 gr or ml / Lit 1 : 300 033% 0.33 33gr 3.3 or ml / Lit 1 : 350 0,28 % 2.8 gr or ml / Lit 1 : 400 0.25% 2.5 gr or ml / Lit 14
Important message When Fare clic preparing per modificare a disinfectant gli solution stili del testo deo schema q into a sma 10 or 20 liters bucket. Secondo liveo Terzo liveo How to prepare: Quarto liveo 1. Add water first mix the required amount of disinfectant solution 2. Then add disinfectant 3. Add contents of bucket into the sprayer 15
Disinfection i is improved with: Sprayers of high volume output Motorized knapsack or pressure sprayer deo schema Adding sma amount of detergent into the disinfectant Secondo liveo solution (increases contact time) Terzo liveo Quarto liveo 16
deo schema Steps in Cleaning and Secondo Disinfection liveo of Commercial Terzo liveo Poultry House Quarto liveo 17
Steps to take before you start: deo schema Secondo ready for use liveo Terzo liveo disinfectants at the required quantities Quarto liveo 1. Check electric power is turned off 2. Check a cleaning and spraying equipment is 3. Ensure the availability of detergent and 4. Ensure correct safety gear (PPE) is available 5. Ensure no poultry, animals or people present in the poultry house area during cleaning and disinfection 18
Step 1 Remove and dispose a remained birds from the house h Step deo 2 schema Secondo liveo mites Terzo liveo Quarto liveo diseases and should be controed) Step Quinto 3 liveo Spray insecticide against darkling beetles, lice and (darkling beetles are carriers of numerous poultry Clean out old feed from bins, hoppers and feeder troughs. (lumpy feed can be high in mould). 19
Step 4 Food and Agriculture Organization of the United Nations Take out a movable equipment such as; di drinkers, feeders, hoppers, nest tboxes Wash deo down schema with detergent and rinse Leave equipment in the sun for at least 24 hours Secondo liveo When dry, apply disinfectant Terzo liveo Quarto liveo Remember! Dirty equipment returned to the house, destroys the benefit of cleaning! 20
Step 5 - Dry cleaning blinds deo and schema fan shafts. fa Secondo onto litter. liveo Chip of any adhering material from equipment Terzo liveo Quarto liveo Remove cobwebs and dust, from rafters and sis, Use brushes, brooms or high pressure air to aow dirt to Chip of any adhering material from equipment Note Don t use high pressure air if the poultry house is contaminated with avian influenza or other pathogenic viruses to avoid the spread of virus or infect humans 21
Step 6 Wet cleaning use deo high schema pressure hose starting Secondo at the liveo roof then Terzo was, liveo close curtains for cleaning Quarto liveo Hose down with detergent to remove organic matter 22
Step 7 Fare Remove clic a per old modificare manure and gli litter stili and del safely testo deo dispose schema to ensure no disease spread Sweep the floor Secondo liveo Clean exists and openings, remove spied feed Terzo and litter liveo and a rubbish around poultry houses (including old feathers) Quarto liveo 23
Step 8 Fare Prepare clic the per disinfectant modificare solution, gli stili del testo according deo schema to manufacturer recommendations Secondo liveo Start Terzo spraying liveo at the ceiling and then Quarto spray was/curtains liveo and finish with Quinto the floor. liveo Check that ledges, fan boxes, pipes, fogging lines are thoroughly sprayed. 24
Step 9 - Sanitising water system Drain drinkers (be drinkers pu apart) and scrub to remove scale and dirt (biofilm). Drain water points or lines deo schema Flush out with clean water Scrub Secondo header liveo tanks to remove scale and algae Fi Terzo header liveo tanks to normal level and add disinfectant Quarto liveo to appropriate strength Run Quinto mixed liveo water through drinkers and drinker lines then close off tap Aow chemical to remain in lines for at least 4 hours then FLUSH with fresh water. 25
Step 10 Apply second time insecticide long was, floor, timbers and base of posts where insect pests hide Step deo 11schema Secondo Rodent Control liveo Terzo liveo of rats and mice activity Quarto liveo Fly control Place baits and traps in areas that show evidence Place baits Step 12 Prepare the house inside for a new batch of chicks 26
What do you think? deo schema Secondo liveo Terzo liveo Quarto liveo 1. What are the 3 key points you want to remember from this module? 2.What additional information do you need on this module? Acknowledgment: This presentation was developed in coaboration with Mr. A. Almond 27