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The etymology of the term "freemartin" is uncertain: speculations include that "free" may indicate "willing" (referring to the freemartin's willingness to work) or "exempt from reproduction" (referring to its sterility, or to a farmer's decision to not bother trying to breed a freemartin, or both), or that it may be derived from a Flemish word for a cow which gives no milk and/or has ceased to ...
Cows are at their most fertile between 60 and 80 days after calving. Cows remaining "open" (not with calf) after this period become increasingly difficult to breed, which may be due to poor health. Failure to expel the afterbirth from a previous pregnancy, luteal cysts, or metritis, an infection of the uterus, are common causes of infertility
The cows teat is a projection of the mammary gland that is sealed during their dry period. A dry cow refers to a dairy cow that is in a stage of their lactation cycle where milk production ceases prior to calving. This part of their lactation cycle is referred to as the cows dry period and typically last between 40 and 65 days. [1]
Although the American beef and dairy industries are among the most efficient in the world — due in part to better breeding, genetics, and nutrition — they still leave a significant hoofprint.
America's livestock are reportedly chowing down on a popular brand of sweet treats.
Female cattle, also referred to as "heifers" in agriculture, will gradually enter standing estrus, or "standing heat," starting at puberty between 9 and 15 months of age. The cow estrous cycle typically lasts 21 days. [5] Standing estrus is a visual cue which signifies sexual receptivity for mounting by male cattle.
Here’s why humans are taking bovine colostrum supplements and what research shows about the benefits and risks. Why a ‘liquid gold’ substance for cows is making waves with humans Skip to ...
A female bovine that has not yet had a calf is known as a heifer. An adult female that has had her first calf (or second calf, depending upon regional usage) is called a cow. Steers and heifers can sometimes be colloquially referred to as "cows," especially by non-agricultural people who are not familiar with the appropriate terminology.