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Charolais tend to have a long gestation period, which is around 287 to 293 days long.
The gestation period of a mini cow is around 285 days, which is the same length for a full-sized cow.
The gestation for a cow that's been AI'd would have the same gestation period as a cow that has been naturally bred: around 285 days, plus or minus. Artificial Insemination does NOT affect the length of gestation of a cow, it only affects what her offspring is going to be.
No. Time of weaning does not affect the length of gestation in a cow.
The average lifespan of a charolais cow is around 15 years.
If it is a beef cow it would either be a chianina or a charolais. A chianina has black skin and a charolais has pink.
Zebu cows usually have quite a long gestation period, which can stretch from 290 to 300 days in length.
Charolais originated from Charolles, France. The first Charolais cow was shipped from Mexico to the US in 1934. In the late 40's early 50's breeder established the American Charolais breeders association. In 1957 the American and International association merged in the American International Charolais Association (ACIA).
The gestation period of a Chauri cow (which is a cross between a yak and a domestic bovine of Bos primigenius indicusbreeding) is around 9 to 10 months in length, which translates to around 290 to 315 days in length.
The inclusion of the Angus bull is irrelevant to this question since the bull has no control nor part in the length of a cow's gestation period. Expect a Hereford-cross cow to have an average gestation period of around 285 days long, plus or minus a few days.
Since Chianina's are the type of breed that is naturally later maturing than other breeds, and consequently has a lower fertility rate, the gestation for Chianinas is usually between 288 and 294 days in length.
The Charolais breed.