No. Cows can (and commonly do) lactate without being pregnant. A cow can be open (or not pregnant) for several years and keep giving milk...as long as she is being milked out regularly. If not, then she dries up and then you will need to breed her to get her producing milk again.
Dairy cows are bred so that they keep producing offspring or replacements for the dairy herd, mainly because the culling rate (or turn-over rate, if you want to think of it that way) is quite high--some farms have a cow turn-over rate of around 30 to 40%, depending on management criteria. As such, replacement heifers are needed pretty well all the time to replace those cows that get culled.
In a way yes. Cows have to be bred to produce a calf in order to produce milk.
Both.
when a cow has a calf she gives milk for as long as the calf needs it which is about a year, though it will vary between breeds and between individual animals and until you breed her back and she has another calf will she then produce milk again.
She is pregnant and not far from giving birth
all women have milk buds in there breast but dont start producing milk until pregnant.
Yes you can keep it going, You can also start lactating without being prgnent and keep it going.
The liquid secreted during lactation is milk. This is how farmers get milk from cows, by giving them hormones that make them pregnant all the time so they produce lots of milk.
Yes, you have to be pregnant in order to give milk.
No Allthough Hamsters Do But You Dont Have To Milk Hamsters And There Milk Tastes Horrible....Belive Me I Tryed It By Building A Hamster Milker
Yes, a mare can lactate without being pregnant or nursing a foal, although this is rare. Usually a mare that is lactating without being pregnant or with a foal by her side, has a hormone imbalance that needs to be corrected.
Yes, if (and only if!!) the milk from these cows are not being used for human consumption.
let me give you a straight answer.......no
Mother Rabbits care for their babies by burrowing them to keep them warm and giving them milk once a day.
If your cow doesn't give milk yet and your barn isn't alreadt full, order some miricle potion or let the cow get pregnant. After she gives birth and after she stops giving mother's milk then it'll start giving milk. If your barn is already full sell an animal, otherwise you're screwed.