Some rare breeds include but are not limited to:
#1- Abaco Barbs. There are only 5 of these horses left alive on an island in the Bahamas, they are the number 1 most endangered. Next come Exmoor ponys, Kerry Bog pony, Dales pony, American Cream Draft, Suffolk punch, and poitou donkey. As these obviously aren't common, the Clydesdale Horse, while not as critical, is also endangered. This horse is Probably much more well known, as it is the Budweiser Horse. I actually got this information from another question on WikiAnswers, but I added some facts I knew as well. I hope this helps.
The most endangered (rare) breeds of cattle are: Dutch Belted -Ancient White Park -Milking Devon -Florida Cracker and -Kerry.
The Belted Galloway, Lincoln Red, Red poll, Kerry, Lynch Lineback, White Park. Vulnerable breeds include, the Galloway, Canadienne, Dexter, and the Braunvieh.
Because the breed needs to keep producing offspring if breeders are to keep the breed from going extinct. Cattle don't live forever, and offspring need to be produced to keep the breed alive for many many years to come.
No they are the top three most popular breed.
Most likely not as they are the highest means of beef and milk production worldwide. Some breeds of cattle are extinct, however, cattle as a whole will not become extinct.
A Guernsey is a breed of cattle, particularly dairy cattle.
A zo is a Tibetan breed of cattle. The zo is a cross breed of a yak and the common cattle.
The Angus breed.
The Angus is a breed of cattle
Dual purpose means that the breed or type of cattle can be used for milking or raising beef cattle.
A breed of english beef cattle that are usually red
The oldest dog breed in Asia is the Shar-pei. This was a fierce breed bred for hunting and guarding. The almost went extinct but due to a population surge in the US in the 1970's the breed has made a remarkable come back.
Chianina.
Aurochs