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[10] In all cattle species, a female twin of a bull usually becomes infertile due to intrauterine exposure to high testosterone levels. She is functionally a partial intersex, and is commonly called a freemartin. A wild, young, unmarked bull is known as a micky in Australia. [7] An unbranded bovine of either sex is called a maverick in the US ...
An adult female is referred to as a ewe (/ j uː / yoo), an intact male as a ram, occasionally a tup, a castrated male as a wether, and a young sheep as a lamb. Sheep are most likely descended from the wild mouflon of Europe and Asia, with Iran being a geographic envelope of the domestication center. [ 1 ]
Stag – a ram castrated after about 6 months of age. Staple – a group of wool fibres that formed a cluster or lock. Store – a sheep (or other meat animal) in good average condition, but not fat. Usually bought by dealers to fatten for resale. Sucker – an unweaned lamb.
The approach in these sheep experiments involves irradiating a ram's testes while placing stem cells from a second ram into the testes of the first, ram A. In the following weeks ram A produces semen the usual way, but is using the stem cells of ram B and therefore producing semen carrying the genetics of ram B rather than those of his own.
[9] [10] Still common in farming usage and among speciality butchers, it is now a rare term in British, Australian and New Zealand supermarkets, where meat of all sheep less than two years old tends to be called "lamb". Mutton — the meat of a female (ewe) or castrated male (wether) sheep having more than two permanent incisors in wear.
A gelding is a castrated male horse or other equine, such as a pony, donkey or a mule. The term is also used with certain other animals and livestock, such as domesticated camels. [1] By comparison, the equivalent term for castrated male cattle would be steer (or bullock), and wether for sheep and goats.
Ovis is a genus of mammals, part of the Caprinae subfamily of the ruminant family Bovidae. [1] Its seven highly sociable species are known as sheep or ovines. Domestic sheep are members of the genus, and are thought to be descended from the wild mouflon of central and southwest Asia.
The country of Lithuania has banned the practice due to their belief that the procedure is inhumane. [6] There is some evidence that elastration is more painful if carried out on older animals, [7] although much of the immediate pain of application can be prevented by injection of local anaesthesia into the scrotal neck and testicles. [8]