The things that are made from Angus cattle are exactly the same as what would be made from any other cattle of any other breed: hide for leather; hair for upholstery, paint brushes; the list goes on.
Not only are they good mothers, have good milking ability, are good forage converters, have a good fertility rate, and have excellent carcass merits, the breed itself has an advantage over others because of the premium that a producer would get when selling Angus cattle through the salebarn, all thanks to the initiatives from the American Angus Association that started marketing Angus beef through a program called CAB (Certified Angus Beef).
Primarily for beef and to keep the grass down in your pastures.
To the public, Angus cattle are mainly known for their black hair. But to others, Angus cattle are known for their good quality of meat.
The same stuff you would feed other beef cattle: grass, hay, silage, and/or grain.
cows eat grain, grass and hay
Their primary use is beef production.
Angus cows are beef cows, not dairy cows. Holsteins are dairy cows, not beef cows, which is where we get the majority of our milk from.
Scotland.
Angus cows or heifers come into heat every 21 days.
No.
No. Black Angus cows are all black. You can only get black cows with white faces if they have a sire as a Hereford or traditional Simmental. These cows are called "black baldies" and should never considered as purebred Angus because they are not purebred at all: they are crossbreds.
Semen that is ejaculated into cows to produce Angus-sired calves.
meat, hence "angus beef burgers"
Scotland.
Aberdeen Angus burgers are made from beef which come from cows.
There are many cow herds with Angus cows that are excellent mothers, some too good that the producer can't get near the calf without having momma blowing snot down his back pockets. Some Angus herds, though, may have cows with not so good mothering ability. It all depends on the individual herd and what producers have selected into or out of their Angus cow herds.
Yes, they are mammals.
The Angus is the most popular for beef cows. The Holstein is the most popular for dairy cows.