As the proportion of the sheep industry in the aquaculture industry has further expanded, sheep-raising fever has been set off across the country. However, the hard-to-yield rate of goats has gradually increased, which has brought about no small losses to farmers. It is generally believed that the goat's dystocia is caused by too much of the fetus, too much, improper fetal position, and insufficient productivity of the ewes. However, the real reason is due to the premature deployment of the ewes, improper matching of body types, and poor feeding and management of the ewes during their gestation period. The author believes that how to reduce the incidence of goat dystocia must be considered from the following aspects.
First, prevent premature mating of ewes. From a physiological point of view, ewes are generally sexually mature between 5 and 6 months of age, and have reproductive abilities. The first occurrence of estrus occurs, but the ewe's body has not yet matured. When mating in this way will curb its growth and development, naturally its pregnancy will be seriously affected, and the consequence of this effect is to increase the occurrence of difficult birth rate. Therefore, for goats, the first breeding time of the ewes should be selected when the sheep has reached maturity. This will not only affect the health of the ewes, but also provide a healthy young sheep.
Second, adhere to the correct body size matching principles. In difficult-to-produce cases, about 50% is related to the fetus is too large, most of which is due to the use of large-scale species of ram, especially when the ewes are not mature mating large rams, the incidence of dystocia is higher . Therefore, we must adhere to the correct one-piece matching principle. The correct body type matching principle should be: large, large, medium and small, and can not be large with small. The results with large and small children often lead to the fetus being too large and increasing the incidence of difficult birth. The consequences for premature breeding are even more serious.
Third, do a good job of feeding and management during pregnancy. In addition to the above two factors, poor feeding and management of goats during pregnancy is also an important factor. Nutritional disorders in goats during pregnancy are one of the causes of dystocia. Over-obesity or malnutrition in ewes during pregnancy can lead to insufficient productivity and induce dystocia. At the same time, exercise is essential for pregnant ewes, and a number of difficult-to-eating ewes are associated with lack of exercise during pregnancy. Insufficient movement of pregnant sheep may induce fetal malposition and may also lead to insufficient productivity. Both of these are direct causes of dystocia. For ewes, reasonable exercise must be appropriate, and second, moderate. Usually 2 hours a day is appropriate
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