If you want to distinguish the male and female of the sheep, you mainly need to look at the horns, hair, hooves and other characteristics of the sheep, which can generally be distinguished very well.
1. Look at the horns of the sheep: the ram of the sheep will generally produce a fork, showing a spiral shape, very thick and tall, and the horns of the ewe are very small, without much change.
Second, look at the sheep's hair: within a month after the sheep is born, basically you can see its sex, within a month after the birth of the ram in terms of sexual characteristics are the most obvious, because its hair is sexually distinct. And the more messy the hair of the adult sheep, the more obvious the distinction between male and female of this kind of sheep. In addition, ewes generally have two teats.
3. Look at the hooves of the sheep: the hooves of the rams are relatively scattered, and the hooves of the ewes are relatively tight.
Fourth, the first official: the first official of the ram is round, and the ewe is transversely lobed.
Other. 
When breeding externally, you can also observe the behavior of sheep to judge its gender, in general, rams are more active, like to move, and ewes are more docile, like to rest.
The above are some ways to distinguish between rams and ewes, I hope it can help you. At the same time, during the breeding process, it is necessary to pay attention to the health status and diet of the sheep, and deal with the abnormalities in time. At the same time, pay attention to reasonable feeding, choose nutritionally balanced feed, and appropriately supplement vitamins and minerals. Timely control of pests and diseases, regular cleaning of enclosures, and maintenance of environmental hygiene. According to the actual situation, choose the appropriate breeding method to improve the efficiency of breeding.