How to choose yak from appearance

The selection of high quality female yaks must be of good father lineage, high maternal milk production and good quality of frozen semen mating; flower tablets are positive, black and white, the skeleton is thick, waist length is high, the structure of the body is called; Wide, large nipples, gently nib the nipple by hand and felt a soft gel tube in the center.

The parental lineage of poor yak is not clear, although black and white flowers are typical, there is no possibility of high milk yield. In particular, the yaks are light in weight and the flowers are in disorder. The head of the milk is closely attached to the belly of the cat. The calves are eliminated.

The heterosexual yak is a male and a female in twins. Since the chorioallantoic membranes of the two fetuses are connected by an "anastomotic branch" (a thick blood vessel with one finger), and the male embryo is preferentially developed, the androgen produced by the male pregnancy is entered into the female pregnancy through an anastomosis branch of the blood vessel. Inhibit the normal development of the ovarian cortex and reproductive organs and loss of reproductive ability; Appearance looks like a bull, such as neck short, thick, hanging on the abdomen; external reproductive organs shrink, and the position is low, visible under the labia There is a prominent clitoris, the nipple is the same as the male, and the breast is attached to the belly.

If farmers want to buy an ideal yak for breeding, they should ask an experienced person to identify and purchase.

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