Broiler Breeder Management Flashcards
Primary breeding companies
Selection of broiler breeds (pure lines) and production of great-grandparents, grandparents and parent stock.
Broiler breeder farms
The production of hatching eggs from parent stock.
- Rearing farms (pullets)
- Production farms (broiler breeders)
Hatcheries
The hatching of fertile eggs into day-old chicks.
Broiler farms
Rearing day-old chicks into broilers.
Processing
Slaughtering the broilers and processing the poultry meat.
Retail
Marketing meat and meat products
Primary breeder
Breeding birds whose offspring are used as breeding birds.
These include pedigree (elite/foundation), great-grandparent, and grandparent flocks.
Primary breeding companies
are large international enterprises with geneticists, nutritionists, veterinarians, and computer specialists on their staff.
Cobb - vantress, Ariagen’s, and Hubbard
Three major primary broiler breeding companies in the world.
Cobb vantress
incorporated the Hybro breed in 2007 and focuses on selection for feed conversion because feed is the single largest cost associated with producing broiler chickens.
Hubbard
is owned by Groupe Grimaud, the second largest multi-species animal breeding company around the world. Has a presence in nearly 100 countries and offers a range of genetic products to meet specific needs for different market segments.
Parent breeding flocks
are typically owned by commercial broiler companies.
Company own hatcheries
Eggs produced by parent flocks are transported to ________
Hen
mature female chicken ( > 1 year old)
Pullet
immature female chicken ( < 1 year old)
Cockerel
•immature male (< 1 year old)
Rooster
male chicken (> 1 year old)
Molt
natural process of shedding feathers
Brood
hen that sits to lay egg or cover chick; the action of caring for a chick
Crop
pouch where chicken digests food
Vent
Opening through which hens lay eggs
Breeder stocks grandparental stocks, parental stocks)
are the source of replacement stocks when raising pure breeds and needed in the production of commercial hybrids.
Re-trimming
may also be carried out if a bird’s beak grows back enough to cause pecking damage. Birds are often re-trimmed at 8-12 weeks of age to avoid this happening. Some non-trimmed adult birds may need trimming if a pecking outbreak occurs.
Beak trimming
is the removal of part of the top and bottom beak of a bird.