9: Welfare Flashcards
What are the five types of feather pecking or aggression?
Gentle pecking, severe pecking, vent pecking, cannibalism, aggressive
Which types of pecking can be redirected normal?
Gentle or severe
When does vent pecking occur?
After lay when oviduct protrudes
What can aggressive pecking of the head be related to?
Social status
What are two methods of beak trimming?
IR or blade
How can you try to resolve aggressive pecking?
Increase NaCl and give poultry salts
What is an advantage of capping litter?
Prevent evaporation, reduces water holding capacity, creates anaerobic conditions
What factors affect capping of litter?
Excess water from drinkers, lighting positioning, draughts, digestibility of diet
Above what ammonia level gives foot burn?
5ppm
What should light levels be?
20 lux (80%)
How much dark should birds have?
Minimum of 6 hours from 7 days old, until 3 days before slaughter
What can happen if too much dark?
Don’t eat
How do you change the light three days before slaughter?
Reduce to 1 hours dark so they are less stressed when lights turned off to depopualte
How is most catching done?
By hand
What happens if birds are allowed to move into crates?
Injury risk higher
