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Broiler breeder farms raise parent stock which produce fertilized eggs. A broiler hatching egg is never sold at stores and is not meant for human consumption. [9] The males and females are separate genetic lines or breeds, so that each line can be selected for optimal traits for productivity in either females or males, rather than a single line in which a compromise is reached between female ...
A dual-purpose chicken is a type of chicken that may be used in the production of both eggs and meat. [42] In the past, many chicken breeds were selected for both functions. However, since the advent of laying and meat hybrids, industrial chicken breeding has made a sharp distinction between chickens with either function, [ 43 ] so that certain ...
For hens used in egg production in the US, as of 2011 the FCR was about 2, with each hen laying about 330 eggs per year. [25] When slaughtered, the world average layer flock as of 2013 yields a carcass FCR of 4.2, still much better than the average backyard chicken flock (FCR 9.2 for eggs, 14.6 for carcass). [26]
FILE - Eggs are displayed on store shelves at a local grocery store in Chandler, Ariz., Jan. 21, 2023. Amid soaring egg prices, social media users are claiming that common chicken feed products ...
Originally, the primary value in poultry keeping was eggs, and meat was considered a byproduct of egg production. [2] A United States Department of the Interior census in 1840 found American farmers had a total combined poultry flock valued at approximately $12 million ($366 million in today's dollars). [3]
Healthy poultry require a sufficient amount of protein and carbohydrates, along with the necessary vitamins, dietary minerals, and an adequate supply of water. [2] Lactose-fermentation of feed can aid in supplying vitamins and minerals to poultry. [3] Egg laying hens require 4 grams per day of calcium of which 2 grams are used in the egg.
Kuroilers, a dual-purpose breed producing meat and eggs, can live on a diet of kitchen and agricultural waste, and produce around 150 eggs per year whereas native Indian hens lay only 40 per year. The meat yield per bird of Kuroilers is also greater; males weigh approximately 3.5 kg (7.7 lb) and females about 2.5 kg (5.5 lb) whereas the native ...
Sex-links come in several varieties. As hybrids of laying or dual-purpose breeds infused with extra vigor via heterosis, sex-links can be extremely good egg-layers which often produce 300 eggs a year or more depending on the quality of care and feed. The color of their eggs vary according to the mix of breeds, and blue-green eggs are possible.