Answer:
1.Basically, such estimates depend on three factors: maintenance energy, energy related to a change in body weight (energy is demanded for gain, energy is released when weight is lost), and the energy for egg production.
2.Meat and poultry are great sources of protein. They also provide lots of other nutrients your body needs, like iodine, iron, zinc, vitamins (especially B12) and essential fatty acids. So it's a good idea to eat meat and poultry every week as part of your balanced diet.
3.a) Dual-Purpose Breeds:
The dual-purpose breed is the classic backyard chicken.b) Meat Breeds:
Meat-producing breeds are very efficient at converting feed to meat, producing approximately one pound of body weight for every two pounds of feed they eat. c.)Laying Breeds:
These breeds are known for their egg-laying capacity.
4.Nutrients provide poultry the energy and material needed for the development of bone, flesh, feathers, and eggs. Each of these compounds is important in providing poultry the nutrients they need, and a deficit of even one can have serious health consequences for poultry.
