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Ram lambs not intended for breeding are castrated, though some shepherds choose to avoid the procedure for ethical, economic or practical reasons. [1] Ram lambs that will be slaughtered or separated from ewes before sexual maturity are not usually castrated. [23] In most breeds, lambs' tails are docked for health reasons. [8]
Carcases from these lambs usually weigh between 14 and 30 kg. Older weaned lambs which have not yet matured to become mutton are known as old-season lambs. Yearling lamb — a young sheep between 12 and 24 months old; Saltbush mutton – a term used in Australia for the meat of mature Merinos which have been allowed to graze on atriplex plants
Each female bird will lay about 150 hatching eggs for the next 34 to 36 weeks, until the birds reach around 60 weeks of age and are slaughtered for meat. This cycle is then repeated when another flock of 20 week-old birds is put into the barns to begin the process again.
Sheep meat and milk were one of the earliest staple proteins consumed by human civilization after the transition from hunting and gathering to agriculture. [24] Sheep meat prepared for food is known as either mutton or lamb, and approximately 540 million sheep are slaughtered each year for meat worldwide. [147] "
Under modern farming methods, meat chickens reared indoors reach slaughter weight at 5 to 9 weeks of age, as they have been selectively bred to do so. In the first week of a broiler's life, it can grow up to 300 percent of its body size. A nine-week-old broiler averages over 9 pounds (4 kg) in body weight.
Approximately 540 million sheep are slaughtered each year for meat worldwide. [ 3 ] In 2013, the five countries with the largest number of head of sheep were mainland China (175 million), Australia (75.5 million), India (53.8 million), the former Sudan (52.5 million), and Iran (50.2 million).
The breeding, maintenance, slaughter and general subjugation of livestock, called animal husbandry, is a part of modern agriculture and has been practiced in many cultures since humanity's transition to farming from hunter-gatherer lifestyles. Animal husbandry practices have varied widely across cultures and time periods.
Male birds are unwanted in the egg-laying industry and can often be identified as soon as they are hatch for subsequent culling. In meat breeds, these birds are sometimes castrated (often chemically) to prevent aggression. [13] The resulting bird, called a capon, has more tender and flavorful meat, as well. [29] Roman mosaic depicting a cockfight