8: Game bird production Flashcards
(20 cards)
Which egg records should you keep?
Egg number, size and usable eggs
Does the male of female have the greatest impact on fertility?
Male
What two factors does egg hygiene depend on the most?
Next material and current climate
What 5 factors does hatchability depend on?
Storage temperature and humidity, egg age, time stored (below 7 days), healthy (e.g. mycoplasma or salmonella), incubation temp and humidity
How can you ensure egg quality?
Ask to see the breeder’s Mycoplasma and Salmonella status declaration
Until what age are they unable to control their own temperature?
10 days
Where do young get their immunity?
Maternal antibodies
Why do the young need early feeding?
To absorb the yolk sac
What do poults need in their early feed and water?
Electrolytes, multivitamins, prebiotics, probiotics
What causes yolks ac infection?
Poor hygiene
What causes non-starters?
Poor management
What causes rotavirus?
Poor hygiene and lack of maternal antibodies
What factors does poult growth depend on?
Space, hygiene, litter quality, moving to pens at the right time
When can release pens have disease potential?
If high stocking density, so ensure adequate cover and release ASAP
What is pheasant “biting” for?
To prevent cannibalism form 3 weeks, but is stressful
What do probiotics contain?
Enteric commensals but also yeasts
What do prebiotics contain?
Non-digestible carbohydrates that alter gut microbiota composition or activity
What are some examples of prebiotics?
Soy bean meal, chicory, insulin, lactulose
What are the advantages of prebiotics?
Bind pathogens, increase mucus layer, improve immunity, increase feed conversion, reduced coccidia damage
What are some advantages of essential oils?
Enhance digestive secretions, stimulate blood flow, reduce pathogens
