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Melengestrol acetate (MLGA), sold under the brand names Heifermax and MGA among others, is a progestin medication which is used in animal reproduction. [1] [2] It is not approved for use in humans, and is instead used as an implantable contraceptive for captive animals in zoos and other refuges, [3] and is also used as a feed additive to promote growth in cattle, a purpose it is licensed for ...
In cattle, CIDR-Bs are often used with synchronization protocols. The product label typically indicates that, in conjunction with an appropriate synchronization protocol, CIDRs should be left in for 7 days. [2] Ovsynch is a particular protocol that is often followed. [5]
These “Synch” protocols may include: Select Synch, OvSynch, CoSynch, and Modified Select Synch [2] The synchronization of the estrous cycle is commonly used in different industries, such as Dairy and Beef cattle. Synchronization allows these industries to improve management and nutrition of the cattle, while also decreasing expenses. [3]
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.
Feeder cattle or store cattle are young cattle soon to be either backgrounded or sent to fattening, most especially those intended to be sold to someone else for finishing before butchering. In some regions, a distinction between stockers and feeders (by those names) is the distinction of backgrounding versus immediate sale to a finisher.
Grazing hobbles for horses and cattle hobbles (bottom) A muster (Au/NZ) or a roundup (US/Ca) is the process of gathering livestock . Musters usually involve cattle , sheep or horses , but may also include goats , camels , buffalo or other animals.
Megestrol acetate (MGA), sold under the brand name Megace among others, is a progestin medication which is used mainly as an appetite stimulant to treat wasting syndromes such as cachexia. [ 2 ] [ 5 ] [ 7 ] [ 1 ] It is also used to treat breast cancer and endometrial cancer , and has been used in birth control .
As a result, many supposedly pure yak or pure cattle probably carry each other's genetic material. In Mongolia, the result of a khainag crossed with either a domestic bull or yak bull is called ortoom (ортоом, three-quarter-bred) and an ortoom crossed with a domestic bull or yak bull results in a usan güzee (усан гүзээ, one ...