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A freemartin or free-martin (sometimes martin heifer) is an infertile cow with masculinized behavior and non-functioning ovaries. [1] Phenotypically, the animal appears female, but various aspects of female reproductive development are altered due to acquisition of anti-Müllerian hormone from the male twin. [2]
Udder of a cow. An udder is an organ formed of two or four mammary glands on the females of dairy animals and ruminants such as cattle, goats, and sheep. [1] An udder is equivalent to the breast in primates, elephantine pachyderms and other mammals.
Tritrichomonas foetus is a species of single-celled flagellated parasites that is known to be a pathogen of the bovine reproductive tract as well as the intestinal tract of cats. In cattle, the organism is transmitted to the female vagina and uterus from the foreskin of the bull where the parasite is known to reside. It causes infertility, and ...
Cattle bred specifically for milk production are called milking or dairy cattle; [1] a cow kept to provide milk for one family may be called a family cow or a milker. A fresh cow is a dairy term for a cow (or a first-calf heifer in few regions) who has recently given birth, or "freshened."
Cattle are not often kept solely for hides, and they are usually a by-product of beef production. Hides are used mainly for leather products such as shoes. In 2012, India was the world's largest producer of cattle hides. [114] Cattle hides account for around 65% of the world's leather production. [115] [116]
If it was a cow's first time calving, she will take longer to re-breed by at least 10 days. [4] However, beef cattle can also be bred through artificial insemination, [1] depending on the cow and the size of the herd. Cattle are normally bred during the summer so that calving may occur the following spring. [1]
They are the only accessory reproductive glands in male monotremes. Placental mammals usually have one pair of bulbourethral glands, [ 3 ] while male marsupials have 1–3 pairs. [ 3 ] [ 4 ] [ 5 ] Of all domesticated animals, they are absent only in dogs.
When a cow suffers a uterine prolapse, there are two options for treating it: reduction or amputation. [1] If the treatment is reduction, then the placenta will be removed, the endometrium thoroughly cleaned, any lacerations fixed, and the uterus replaced in the right position. If amputation is the course of action, the uterus is removed. [1]