about 270 days
Only if they have given birth to a calf before and are in their first or second gestation period and have a calf still suckling on her. But otherwise, if this is the cow's first calf, then no.
Seven-and-a-half months of gestation is much too early for cattle. Calves born at this age are deemed premature and their chances of survival are quite slim because they are not quite fully developed. It is much better to let a cow carry a calf to full term (which is more like 9.5 months rather than 9 months exactly) than to force her to abort a calf too early and risk the calf's survival.
Gestation, or a gestation period.
An Australian term for an orphaned calf.
Bovine is another term for cow or cattle. Heifer is a cow that has had no calf yet.
A fetus at 4 months of gestation is the size of a small cat--which is around 5 to 10 lb.
Sural is the medical term meaning pertaining to the calf.
Sixty to 70 pounds is the average birth weight for a calf, but it varies based on size, breed, gender of the calf, health of the mother and the length of the gestation period.
Sural region is the medical term meaning calf region.
Another word for Pregnancy is Gestation.