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Other than the few bulls needed for breeding, the vast majority of male cattle are castrated as calves and are used as oxen or slaughtered for meat before the age of three years. Thus, in a pastured herd, any calves or herd bulls usually are clearly distinguishable from the cows due to distinctively different sizes and clear anatomical differences.
Cow–calf operations are widespread throughout beef-producing countries, [5] and the goal of a cow–calf operation is to produce young beef cattle, which are usually sold. True to the name, farm and ranch herds consist mostly of adult female cows, their calves, and young females, called heifers, which will produce calves once of breeding age.
Most beef cattle are mated naturally, whereby a bull is released into a herd of cows approximately 55 days after the calving period, depending on the cows' body condition score (BCS). If it was a cow's first time calving, she will take longer to re-breed by at least 10 days. [ 4 ]
Only a proportion of purebred heifers are needed to provide replacement cows, so often some of the cows in dairy herds are put to a beef bull to produce crossbred calves suitable for rearing as beef. Veal calves may be reared entirely on milk formula and killed at about 18 or 20 weeks as "white" veal, or fed on grain and hay and killed at 22 to ...
Feeder cattle futures contracts, traded on the Chicago Mercantile Exchange (CME), can be used to hedge and to speculate on the price of feeder cattle. Cattle producers can hedge future buying and selling prices for feeder cattle through trading feeder cattle futures, and such trading is a common part of a producer's risk management program. [11]
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 ]
Star freshman Cooper Flagg scored 14 of his 19 points after halftime — including a jaw-dropper of a coast-to-coast dunk — to help No. Duke beat Pittsburgh 76-47 on Tuesday night. Fellow rookie ...
The best bulls identified in progeny testing are formally given the award Young Beef Cattle (in French Viande Jeunes Bovins, abbreviated to JB). Female progeny go to a test station in Moussour in Corrèze, where they are inseminated with the same bulls and calve at two years in confinement before being put out to pasture with their calves.