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It could be safe to say that cows were starting to get selectively bred for dairy production before recorded history, such as before the 18th century and even 200 years before then.

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12y ago

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What is a pregnant cow called?

A bred cow or a pregnant cow, or, in the dairy industry, just a cow. In sale barns, if she has a calf at side, she is also referred to as a 3-in-1 or a three-fer or suckling bred cow. If she's lactating, like in a beef or dairy herd, then she's called a nursing bred cow, lactating bred cow or bred lactating/milking dairy cow. If she's not nursing or lactating, she's called a dry bred cow non-lactating pregnant cow if you really want to get technical. In the dairy industry, a lactating heifer that has already had her first calf is referred to as a first-calf heifer; once she has a second calf she is generally referred to as a cow. In the beef industry, a heifer that is pregnant with her first calf is called a bred heifer.


Is a dairy cow bred for a special purpose?

Yes: to produce milk.


How long after AI can a dairy cow get pregnant?

AI is a method for a dairy cow to get pregnant. She should catch (or get bred) within a day or two after being AI'd.


What is oestrous in dairy cattle production?

Oestrous is when the cow shows "heat" meaning she is ready to be bred.


How soon should a dairy cow be bred after calving?

Two to three months post-partum.


What characteristics would you want selectively bred from a cow?

A cow should have offspring that have superior genetics to her. This includes good or better milking ability, mothering ability, calving ease, longevity, good weaning weights, good fertility and conformation, ability to convert forage efficiently, and have good masculine characteristics (for her sons) or feminine characteristics (in her daughters). If a cow is bred to produce calves for the market, they must have high weaning weights and great carcass characteristics. If a cow was bred to produce calves for dairy production, her daughters must have good milking ability (more quantity than quality) in order to be productive in the dairy herd.


Can a male cow be dairy?

There are dairy bulls. If the cow is not bred, she will not produce milk. Bulls are necessary to do this. Although, many cows are now artificially inseminated. Unless dairy heifers are needed to increase the herd or to replace cows that are too old, any bull's semen will do.


What dairy cows can handle tropical climate?

Dairy cows that are crossbred to zebu-type cattle are the best types that will handle a tropical climate. Even pure B. indicus cattle that are selectively bred for dairy production are the best for handling such climates.


Can a dairy cow continue to produce milk if she is not bred the following year?

Yes, but for best milk production yearly breeding is advised.


Will a dairy cow continue to give milk if it's not bred?

Yes, if she is continuously milked everyday without any breaks in between.


Is a German shepherd selectively bred?

GOOD quality German Shepherd lines which are WORTH a lot are selectively bred. Poor bred German Shepherds are not, hence why they are not good quality.


What part of an apple is selectively bred?

The fruit part of the apple is selectively bred to improve characteristics such as taste, size, color, and texture.