Jersey, Guernsey, Holstien, Brown Swiss and Ayshire, plus the Milking Shorthorn.
A dairy cow. Holsteins are the largest milk producers of all dairy breeds.
That all depends on the breed. Are you asking about a dairy cow or a beef cow, and what breed of dairy or beef cow?
Yes. They include:HolsteinJerseyBrown SwissAyrshireGuernseyCanadienneRandallLinebackDutch Belted
The Blue Belle Singing Cow is a Jersey, one of the most popular dairy breeds noted for its high butterfat milk.
cow
Today, there is six major dairy breeds: Milking Shorthorn, Brown Swiss, Holstein, Jersey, Guernsey, and Ayrshire. There is also many dual purpose breeds for both dairy and beef, but those six are the main ones.
The most common breeds of dairy cattle are Holstein, Guernsey, Jersey, Ayrshire, and Brown Swiss. The Milking Shorthorn was originally used as a dual purpose breed, for milk and meat, but is now more often used for milk production.
Nothing more than selective breeding, and maybe use of outside genetics from other dairy bulls outside of the local dairy farming circle.
The mass of an average adult cow typically ranges from 450 to 1,000 kilograms, depending on the breed and its purpose (dairy or beef). Dairy breeds like Holsteins may weigh around 680 to 900 kg, while beef breeds such as Angus can be heavier, often exceeding 1,000 kg.
The scientific name for a Holstein dairy cow would be Bos primigenius taurus.
Parturition or calving, just like with any other cow.
You are probably thinking of the Guernsey breed.