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Rabbit Rape
Cows are female bovines that have already had at least one calf. Thus, a cow can be bred after they've been bred again a couple months after they had their last calf. After around 285 days or nine months, she will have another calf.
They can't be bred to one another. They are genetically too dissimilar.
Cows are mature female bovines that have already had a calf, so she can be bred at, well, any age, so long as she's already showing signs of estrus that can allow you a short time period to get her bred.
The sperm didn't stick, so she's not pregnant. They decided to do it again.
We have a 16 year old pure bred chihuahua that got pregnant at 14...unfortunately the pup did not live. At 16 she has come into heat again. Every precaution is being taken to make sure it will not happen again.
Ferrets are only bred with other ferrets
Only if she has given birth to a calf before being bred again and continuously milked since then, then yes. But, if that cow has given birth to a calf, was dried up for some reason before being bred again, no.
nothing, they have different number of chromosomes.
For a dog to be bred out of existence it needs to be bred with other breeds until the breed has been taken over by the others.
In relation to animals (using reptiles as an example) it means the 'parents' were wild-caught (as opposed to being bred in captivity) but the babies were born soon after the parents were caught - probably because the female was already gravid when collected. This is in contrast to babies that were captive bred - in that the parents were already products of previous generations bred in captivity.
Probably because when one of them was bred, it was bred with the other. I'm thinking that Harriers where bred with the beagle pattern because beagles were bred such a long time ago.