There are many factors affecting the conception rate of the black goat's ewe. There are many factors affecting the conception rate of the black goat's ewes. Some sheep farmers do not pay attention to scientific methods, but they still use traditional methods to raise sheep. The corn stalks are bundled and the light is eaten; the cornmeal is diluted with water and used for feeding, which is not conducive to nutrient absorption and digestion, so that the ewes lack nutrition and affect fertility. In order to prevent the ewes from being malnourished, full-rate feeds should be rationed according to individual conditions to achieve energy and protein balance. Forage and feed should be finely processed and fed on time. Pregnant ewes need to ensure that the protein needs, and to increase vitamins. In terms of management, the ewes are provided with a comfortable living environment. The sheds are warm in winter and cool in summer, ventilated and dry, and exercise on time.
How to see if the black goat is pregnant? 1, see breast recognition, breast expansion, nipple straight, is pregnant ewes. The breasts do not swell and the teats are not hard and straight. 2, to see the mouth recognition, open the mouth of the ewes, look at the tongue on both sides of the tongue, if it is bright red, it is pregnant ewes, if it is pink or light red, the ewes are not pregnant. 3, with pressure abdominal recognition, people stand on the back of the left side of the sheep, left hand to support the back of the sheep, the right hand gently press on the left belly, if something touches and hits the hand, or see something in the abdomen under the belly touch , indicating that the ewes are pregnant. 4, using alcohol test, take the fresh milk of the goat's milk to be tested and put it into a clean glassware. Then take 1ml of 95% medical alcohol into the fresh milk and mix thoroughly. Within 5 minutes, if The phenomenon of agglutination has proved that the sheep is already pregnant. If it does not coagulate after half an hour, there is no pregnancy.
Some black goats in rural areas have been checked for fetuses, but they did not die long ago. Liang Meng said that the early death of the black goat ewes after conception is an important reason for the low reproduction rate. If the ewes are injected with vitamin A or vitamin E 1-3 times after mating, good results can be obtained. The following injection points are for farmers' reference: 1. Equine is injected with 500,000 units of vitamin A on the day of breeding and 6 days after breeding. 2. Vitamin E was injected once on the 2nd, 6th, and 12th days after mating. 3. Inject vitamin E once 15 minutes after mating.
Food additives refer to chemical synthetic or natural substances added to food for the purpose of improving the quality, color, aroma and taste of food, as well as for the need of preservative and processing technology. Due to the rapid development of the food industry, food additives have become an important part of the modern food industry, and has become an important driving force of technological progress and technological innovation in the food industry. In the use of food additives, in addition to ensuring their due function and role, the most important thing is to ensure the safety and health of food.
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