1. Chromosome logarithm is different.
Sheep have 27 pairs of chromosomes and goats have 30 pairs of chromosomes. Because the number of chromosomes is different, they can't be paired, so the two kinds of sheep can't reproduce with each other.
2. Differences in temperament
Sheep are gentle, timid and dull, while goats are lively, flexible and courageous.
3. Different feeding habits
Sheep like to eat non-gramineous grass, broad-leaved grass and herbs; Goats like to eat tender branches and leaves of shrubs, including leaves, stems and shoots of plants.
4. The coat is different
Sheep are covered with different thicknesses, soft and dense, rich in oil and sweat; Mountain hair is coarse bristles and fluff, and most cats are thick, short and rigid, with little hair fat; Sheep have no beards under their jaws, while goats have beards.
5. Different angles
Most sheep have no horns, only a few have horns; Most goats have horns, and only a few have no horns.
6. Different needs for minerals
Sheep need less for most mineral elements, while goats need more. Especially copper, sheep need very little, and if they are fed according to the amount of goats, they are very easy to be poisoned.
7.? Milk has different components.
Sheep milk contains dry matter 19.2%, fat 6.9%, protein 6.5% and nitrogen-free extract 4.9%. The goat milk is 12.9%, 4. 1%, 3.7% and 4.2% respectively.
8. The tail is different.
Sheep tails are divided into long thin tails, short thin tails, long fat tails, short fat tails and fat buttocks, and goats are all short thin tails.
9. The cholesterol content of meat is different.
The cholesterol content of goat meat is lower than that of sheep meat, which can prevent arteriosclerosis and heart disease.
Extended data
Sheep originated from four different wild species, namely, O.musimon, O.orientalis, O.ammon and O.orientalis vignei, which inhabit the Mediterranean coast, and are distributed in central and southwest Asia.
The domestication of wild sheep into domestic animals began in the Neolithic Age about 1 1000 years ago, originated in Central Asia, and then gradually spread to all parts of the world. According to the carbon determination of a large number of unearthed sheep bones, the history of raising sheep in China was 8,000 years ago. After a long period of selection (animal) and elimination, the appearance and characteristics of wild sheep have changed a lot. And because of the differences in natural conditions and economic needs, different varieties have appeared. /kloc-since the 0/8th century, the development of varieties has been particularly rapid.
References:
Baidu encyclopedia-sheep
Baidu encyclopedia-goat