Poultry Husbandry Flashcards
What age do layers begin to lay?
6 months old
What age do layers begin to slow down egg production?
3 years
At what age are chicken broilers slaughtered?
5-7 weeks old
Why are small eggs not used for hatching?
Decreased fertility and survival
Why are large eggs not used for hatching?
Double yolk
Obstruct airflow
Over heat and crack during incubation
Eggs need storing in a fridge after 3 days. They need cooling gradually between being layed and stored. What temperature is the body of a chicken?
41
What is the incubation period for a chicken?
21 days
Why are eggs turned daily?
Avoid embryo adhering to shell membrane
Better hatching position
Better vascular development
Why do incubators need good ventilation?
Avoid excess ammonia and CO2
How do you sex a chicken?
Feathers or vent
What are the ways to vaccinate chicks?
Subcutaneus injection
In ovo
Spray
Why do chickens need lights on for 23 hours of the day when starting production?
To find drinks and feeders
How do you know if the temperature is correct?
Chicks should be evenly spread
At what age are chicks reared and separated by gender?
18 weeks
What is the incubation period of a turkey/duck?
28 days
