1, lack of milk
(1) The quality of the variety is poor. The quality of breeds raised by farmer households is uneven, and most of the ewes who lack milk in their heads have sagging breasts, short nipples, and poorly developed breasts or breasts.
(2) The rearing management methods are backward, the postpartum care work is not in place, and the nutrition level is low.
2, prevention methods
(1) Choose a good sheep
On the whole, the ewes should have small heads, wide necks, slender necks, straight backs, wide and not wide angles of the ankles, well-developed abdomen, slender and strong limbs, no bad limbs, and shiny hair. The upper and lower circles of the breast are required to be hemispherical, with wide and deep attachment, large volume, thin and elastic skin, short and thin hair on the breast, moderate nipple size and tendency towards the front, good mammary gland development, thick milk shaft, wide and deep breast mirror .
(2) Strengthen daily management
1 Scientific Feeding
Feed sheep regularly and drink water. Take the principle of feeding roughage first, then feeding fine feed, first feeding dry, then feeding wet, and feeding first, and then drinking water. In a certain period of time, the feed should be kept relatively stable, and the feed should not be changed arbitrarily. Do not use rancidity and rot. Or poisonous feed to feed sheep, while also replenishing a certain amount of minerals and vitamins in the diet.
2 feed fresh clean water
Water has a direct impact on the health and lactation of ewes. The daily water requirement for a single ewes ewes accounts for about 10% to 12% of the body weight. Therefore, it is necessary to provide adequate drinking water to the just-born lambs to meet the requirements. Body consumption and lactation needs.
3 increase the light time and maintain appropriate temperature and humidity in the sheep house to increase light time, can stimulate milk production. In the summer, it is necessary to pay attention to the cooling of the heatstroke. Fans can be installed so that the temperature does not exceed 30°C and the humidity does not exceed 70%. Winter should pay attention to keeping warm and cold, so that the temperature inside the home to 8 °C above, the humidity is about 55%.
4 Do a good job of preventing and controlling diseases
According to immunization procedures, prevention of epidemics should be promptly prevented for mastitis and ectoparasites.
(3) Doing a good job of post-natal care
1 Scrub the breasts and nipples with a sterilized clean towel soaked in warm water and pinch the teats with both hands.
2 Pre- and post-partum post-partum use of soybeans milled into pulp and warm water to feed sheep, prolactin effect is good.
3 Inject drugs that are both antibacterial and prolactin, such as production treasures.
(4) Ensure adequate nutrition
1 Feed is mainly grass
Sheep's feed should be grass-based, with appropriate supplements. The roughage of the diet should not be less than 60%, and the concentrate should not exceed 40%. And follow five principles: 1, a lot of miscellaneous. Feed should strive to be rich and varied, with reasonable matching of green, coarse, and fine materials. There are 5 types of green feed, rough feed, and mixed concentrate feed (including 2 types of legumes), 2 types, and 3 or more types. 2, quality assurance. The feed quality is good and fresh, and forage can not bring dew (rain, etc.). 3, enough. Adult sheep each have 4 to 5 kg of green feed per day, 1 to 2 kg of roughage, and 0.5 kg or more of mixed concentrate. 4, nutrition. The crude protein of the diet should reach 10% to 14%, the crude fiber should be controlled within 20%, and the diet should be supplemented with mineral feeds (or feed the bricks). 5, supply stability. Green and rough feeds must ensure a balanced supply throughout the year, change feeds from small to large, and gradually transition.
2The fetus in the second trimester of pregnancy grows faster in the mother's body, about 80% to 90% of the fetal weight is formed in the late pregnancy, need to provide adequate nutrition, such as nutritional deficiencies, low birth weight of the lamb, low survival rate, ewes lactation ability decline . In addition to grazing, feed 0.5 to 1.0 kg of wild hay, 1 kg of silage, 0.5 to 1.0 kg of concentrate, 52% corn, 25% soybean cake, 18% bran, salt, powder, and bone meal. Baking soda, premix 1% each.
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