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Nesting Box Hens crave privacy and darkness when laying eggs, so plan for at least one nesting box for every four or five hens. A box that measures 14"W-by-14"H x 12"D will give even a big gal ...
For privately raised chickens, or chickens as pets, feed can be delivered through jar, trough or tube feeders. The use of poultry feed can also be supplemented with food found through foraging. [9] In industrial agriculture, machinery is used to automate the feeding process, reducing the cost and increasing the scale of farming.
Flocks are sometimes force moulted, rather than being slaughtered, to reinvigorate egg-laying. This involves complete withdrawal of food (and sometimes water) for seven to fourteen days [62] or sufficiently long to cause a body weight loss of 25 to 35 percent. [63] This stimulates the hen to lose her feathers, but also reinvigorates egg-production.
Leghorns are good layers of white eggs, laying an average of 280 per year and sometimes reaching 300–320, with a weight of at least 55 g. [6] White Leghorns have been much used to create highly productive egg-laying hybrids for commercial and industrial operations. [11]: 161
[2] [3] Chickens raised for eggs are known as layers, while chickens raised for meat are called broilers. [4] In the United States, the national organization overseeing poultry production is the Food and Drug Administration (FDA). In the UK, the national organisation is the Department for Environment, Food and Rural Affairs (DEFRA).
As of 2011 in the US, broiler chickens has an FCR of 1.6 based on body weight gain, and mature in 39 days. [25] At around the same time the FCR based on weight gain for broilers in Brazil was 1.8. [25] The global average in 2013 is around 2.0 for weight gain (live weight) and 2.8 for slaughtered meat (carcass weight). [26]
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