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that's the holstien breed. they are black and white. there are many other breeds such as, ashire, jersey, milking shorthorn, guernsey, brahma. there are alot and all are different colors and produce different products.(milk, cheese,butter, ect.)
Cows produce 19,825 pounds of milk each year. That's 2,305 gallons of milk a year or about 8 gallons of milk every day of her milking period.
I assume you are referring to the Shorthorn breed. A red Shorthorn bull bred to a white Shorthorn cow will produce a roan calf. The chance of this happening is 100% in this breed.
This is homework and Wiki won't help you cheat. Time to get to work and start thinking.
This depends on what is regarded as the most desirable trait. The Holstein cow is known for producing a large amount of milk. The Guernsey is known for producing milk with a rich flavor. The Jersey cows produce milk with a very high butterfat content. Some cows, such as the Ayrshire and Milking Shorthorn are more efficient in producing milk from the amount of feed they get. There are many other breeds with special advantages, such as Indian breeds that can live and produce milk in marginal dry and hot lands.
It takes between 85 and 95 to produce 500 gallons of milk. Each cow produces approximately 6 gallons of milk per day.
The amount of milk given per milking depends on a lot of factors including the time of year, breed of cow, number of milkings per day..... but on average the commerical cow will give about 5 gallons per day.
They don't, certainly not by choice. They are built to give their calves milk, not humans. It's us humans who have chosen to take advantage and manipulate cows so that they produce more milk than their calves need so that we can take it and drink it or make other food products from it.
These are the breeds of Dairy Cows: Holstien Friesian (Black and white) Holstien (Red and White, these are original holstiens) Guernsey (Gold and White) Milking Shorthorn (dark red) Ayrshire (Red and white) Jersey (small and brown) Brown Swiss (large and brown) Holstien Friesians produce the most milk. so do holstiens. Jerseys produce milk with high butterfat,and so do guernsey.
About 39,000 gallons
After a dairy cow gives birth, it is usually milked for 10 months, then allowed to 'dry up' for the two month's prior to birthing, again. IF the cow is milked twice per day, and gives 4 gallons per milking (average), she can give approximatly 2400 gallons of milk per year. Of course, this does not take into account the age of the animal, sickness, or feeding.
About 500 gallons.