The breeding methods of rams are various. From the perspective of easy operation, the following methods are generally used:
1. Rough selection at birth; lambs with weak lambs, developmental abnormalities and disabilities after lambs are born are eliminated and normal individuals are retained.
2, weaning when selected; body weight, rapid growth and development, lambs lamb to retain, eliminate small body weight, slow growth, monotesticular, cryptorchidism, body and limbs are not correct, variegated sheep.
3, the age of final selection; age according to weight, body type selection (body size requirements: body skeletal large, round body and deep, long back, tight hips, scrotal sagging, male strong).
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