Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile del titolo • Fare clic per modificare gli stili del testo dello schema Calculations & Application • Secondo livello • Terzo T livello li ll of disinfectants • Qua Quarto to livello e o Yoni Segal • Quinto livello FAO Consultant yoni segal@fao org [email protected] 1 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile Obj ti Objectives del titolo the end of per this session, participants willdel be able •ByFare clic modificare gli stili testoto: dello schema • Calculate correctly: - the area to be disinfected, • Secondo livello - the amount of water required q • Terzo T livello li ll - the amount of disinfectant required • Qua Quarto to livello e o • Describe the steps for poultry house cleaning and • Quinto livello disinfection 2 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile del titolo • Fare clic per modificare gli stili del testo Effective Disinfection dello schema • Secondo livello & Contact time Concentration • Terzo T livello li ll Therefore the correct calculation of the • Qua Quarto to livello e o amount of disinfectant and water required for • Quinto livello p y g solution is extremely y important p the spraying 3 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile Calculations del titolo • How much disinfectant do I need? • Fare clic per modificare gli stili del testo dello schema You need to calculate: 1. Area livello to be disinfected - in square meter (m²) • Secondo 2 Quantity of mixed solution required • Terzo T 2. livello li ll (based on average of 300ml (0.3 liters) per 1m² • Qua Quarto livello e o dilution rate (%) 3 to 3. The correct (%), according to recommendations • Quintomanufacturer livello ((how much disinfectant and how much water)) 4 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile Calculations del titolo How much disinfectant do I need? • Fare clic per modificare gli stili del testo g Virkon® p powder as an example p using dello schema • • • • Secondo livello T Terzo livello li ll Quarto Qua to livello e o Quinto livello 5 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile 1 Calculating the area to be disinfected 1. titolo (indel square meter) Whatt clic Wh is i th the ttotal tmodificare l area to t be b gli sprayed? • Fare per stili d? del testo including all walls, floor and ceiling dello schema • Secondo livello the floor area • Step 1 calculate • Terzo T Howlivello lilongll (m) X How wide (m) = floor area in m² • Qua Quarto to2livello e o • Step calculate the room area (including all walls, floor and ceiling) • Quinto livello Floor area x 2 2.5 5 = total area to be sprayed in m² m 6 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile Please calculate del titolo •• IfFare a room 4 metre long and metre clicisper modificare gli 3stili del wide testo dello schema • What is the total room area to be sprayed? • Secondo livello • Terzo T livello li ll • Qua Quarto to livello e o • Quinto livello • 4m x 3m x 2 2.5 5 = 30m² 7 Food and Agriculture Organization of the United Nations 2 2. Fare clic per modificare lo stile C Calculating l l ti th the quantity tit off mixed i d solution l ti required (how del muchtitolo water + disinfectant) • Fare clic per modificare gli stili del testo • If we need to apply 300mls (0.3 liters) of mixed dello schema solution l ti ffor every square meter t (m²) ( ²) off surface f • Secondo livello • Terzo T livello li ll See product label • Qua Quarto to livello e o • Quinto livello Room area x 300 R 300mls l (0 (0.3 3 lit liters)) = Q Quantity tit off mixed i d solution required 8 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile Pl Please calculate l l t del titolo •• IfFare a room is 4 metres long and 3 metres wide clic per modificare gli stili del testo dello schema • What is the total room area to spray? • Secondo livello •• How solution (in litres) is required to T much Terzo livello li mixed ll spray the room? • Qua Quarto to livello e o • Quinto livello 4m x 3m x 2.5 = 30m² x 0.3L = 9L 9 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile 3 Calculating disinfectant dilution rate 3. del titolo •• Fare Look at Virkon® label for the clic per modificare glirecommended stili del testo dilution rate dello schema • Secondo livello • Terzo T livello li ll • Qua Quarto to livello e o 1%• dilution add 1 gr of Virkon® in every 100ml of water Quinto= livello OR 10 g grams Virkon® in every y liter of water 10 Food and Agriculture Organization of the United Nations • Fare clic per modificare lo stile Dilution Rate del titolo If we are to spray 10 liters of solution • Fare clic perhow modificare gli stili del testo many grams of dello schema Virkon® are required? • Secondo livello • Terzo T livello li ll • If we are to spray 100 • Qua Quarto to livello e ohow liters of solution solution, many grams are now • Quinto livello required? 11 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile Please calculate del titolo • If a room is 4 metres long and 3 metres wide • Fare clic per modificare gli stili del testo dellois schema • What the total room area to spray? • Secondo livello • How much mixed solution (in litres) is required • Terzo T to spray livello li llthe room? • Qua Quarto to livello e o • •How manylivello grams of Virkon® are required? Quinto 4m x 3m x 2.5 = 30m² x 0.3L = 9L x 1% = 90gr g 12 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile del A poultry house is 40 m longtitolo and 10m wide Exercise Virkon® powder is required for disinfection 1% dilution • Fare clic per modificare gli stili delattesto dello schema How many grams of Virkon® powder are required? • Secondo livello Answer: • Terzo T livello li ll Floor area X 2.5 = Total Area = 400 m2 X 2.5 = 1000m2 • Qua Quarto livello eliters o of mixed solution to spray the room 1000 x0 0.3 3 to = 300 • Quinto livello 300 liters at 1% dilution rate = 3000 grams (3KG) Virkon® 13 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile titolo Mixing ratedel at different concentrations gr ortesto ml / Lit • Fare clic per 2% modificare gli stili20del dello schema1 % 1 :100 10 gr or ml / Lit • Secondo livello 1 :150 0.75 % 7.5 gr or ml / Lit • Terzo T livello li ll 1 : 200 0.5 % 5 gr or ml / Lit • Qua Quarto to livello e o 1 : 250 0.4 % 4 gr or ml / Lit • Quinto livello 1 : 50 1 : 300 0 33 % 0.33 3 3 gr or ml / Lit 3.3 1 : 350 0,28 % 2.8 gr or ml / Lit 1 : 400 0.25% 2.5 gr or ml / Lit 14 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile Important message del titolo preparing a disinfectant • When Fare clic per modificare gli solution stili del testo q amount of disinfectant solution mix theschema required dello into a small 10 or 20 liters bucket. • Secondo livello • Terzo T livello li ll How to prepare: • Qua Quarto to livello e o 1 Add water first 1. • Quinto 2. Thenlivello add disinfectant 3. Add contents of bucket into the sprayer 15 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile Di i f ti is Disinfection i iimproved d with ith: del titolo Sprayers of high volume output • Fare clic per modificare gli stili del testo • Motorized knapsack or pressure sprayer dello schema • Adding small amount off detergent into the • disinfectant Secondo livello solution (increases contact time) • T Terzo livello li ll • Qua Quarto to livello e o • Quinto livello 16 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile del titolo • Fare clic per modificare gli stili del testo dello schema Steps in Cleaning and • Secondo livello Disinfection of Commercial P lt House H • Terzo T livello li ll Poultry • Qua Quarto to livello e o • Quinto livello 17 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile Steps to take before you start: del titolo • 1. 2 2. • 3 3. • 4• 4. 5. • Fare per modificare gli stili Checkclic electric power is turned off del testo dello Checkschema all cleaning and spraying equipment is ready for use Secondo livello Ensure the availability of detergent and T Terzo livello li ll disinfectants at the required quantities Quarto Qua to correct livello e o safety gear (PPE) is available Ensure Ensure no poultry, animals or people present in the Quinto livello poultry house area during cleaning and disinfection 18 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile Step 1 delall titolo • Remove and dispose remained birds from the h Fare clic per modificare gli stili del testo •house Step p 2 schema dello • •Spray insecticide against darkling beetles, lice and Secondo livello •mites T Terzo livello li ll (darkling beetles are carriers of numerous poultry • Qua Quarto to livello e doshould di diseases and h ld b be controlled) t ll d) • Quinto livello Step 3 • Clean out old feed from bins, hoppers and feeder ttroughs. oug s ((lumpy u py feed eed ca can be high g in mould). ou d) 19 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile Step 4 del titolosuch as; • Take out all movable equipment d• i Fare drinkers, k ffeeders, dper modificare h hoppers, nest tb boxes clic gli stili del testo – Wash with detergent and rinse dellodown schema – Leave equipment in the sun for at least 24 hours • Secondo livello – When dry, apply disinfectant • Terzo T livello li ll • Qua Quarto to livello e o Remember! Dirty equipment returned to the house, destroys the • Quinto livello benefit of cleaning! 20 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile Step 5 - Dry cleaning del titolo Fare clic per and modificare gli stiliand del testo • •Remove cobwebs dust, from rafters sills, blinds fan shafts. delloand schema • Use brushes, brooms or high pressure air to allow dirt to •fallSecondo onto litter. livello • Chip of any adhering material from equipment • Terzo T livello li ll • Qua Quarto to livello e o Note •Don’t Quinto livello 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 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile del titolo Step 6 – Wet cleaning Fare down clic per stili del testo matter •• Hose withmodificare detergent togli remove organic dello schema use high pressure hose • starting Secondo livello at the roof th l curtains t i ffor cleaning l i • then T walls, Terzo livello lill llclose • Qua Quarto to livello e o • Quinto livello 22 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile del titolo Step 7 •• Fare Remove R old ldmodificare manure and dgli litt litter and d safely f l clicallllper stili del testo dispose to ensure no disease spread dello schema • Sweep the floor • Secondo livello p g , remove spilled p feed • Clean exists and openings, • Terzo T livello li and ll all rubbish around poultry houses and litter old • ((including Quarto Qua to glivello e ofeathers)) • Quinto livello 23 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile Step 8 del titolo Prepare disinfectant solution, • Fare clicthe per modificare gli stili del testo according to manufacturer dello schema recommendations • Secondo livello •• Start T spraying Terzo livello li ll at the ceiling and then • spray Quarto Qua to livello e o walls/curtains and finish with the floor.livello • Quinto • Check that ledges, ledges fan boxes boxes, pipes pipes, fogging lines are thoroughly sprayed. 24 Food and Agriculture Organization of the United Nations Fare per modificare Step 9 -clic Sanitising water system lo stile • Drain drinkers (bell drinkers pull apart) and scrub del titolo to remove scale and dirt (biofilm). • Fare clic per modificare gli stili del testo • Drain water points or lines dello schema • Flush Fl sh out o t with ith clean water ater Secondo livello •• Scrub header tanks to remove scale and algae T header Terzo livello li tanks ll •• Fill to normal level and add • disinfectant Quarto Qua to livello eto oappropriate strength •• Run mixed water through drinkers and drinker lines Quinto livello then close off tap • Allow chemical to remain in lines for at least 4 hours then FLUSH with fresh water water. 25 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile Step 10 del titolo long walls, floor, • Apply second time insecticide ti b clic timbers and db base off posts t where h stili iinsect pests t hid hide • Fare per modificare gli delt testo Step p 11schema dello •• Secondo Rodent Control livello • Terzo TPlace livello libaits ll and traps in areas that show evidence of rats and mice activity • Qua Quarto to livello e o • Fly Fl control t l • Quinto livello Place baits Step 12 • Prepare the house inside for a new batch of chicks 26 Food and Agriculture Organization of the United Nations Fare clic per modificare lo stile What dodel youtitolo think? • Fare clic per modificare gli stili del testo dello schema 1 1. What are the 3 key points you want to • Secondo livello remember from this module? • Terzo T livello li ll 2.What additional information do you need on this • Qua Quarto to livello e o module? • Quinto livello Acknowledgment: This presentation was developed in collaboration with Mr. A. Almond 27