波尔山羊产羊后配种最佳时间（The best time for Boer goats to breed after sheep）.doc

波尔山羊产羊后配种最佳时间（The best time for Boer goats to breed after sheep） 1 judgment of the expected date of confinement The accurate judgment of lambing time, reasonable feeding pregnant ewes, in a timely manner are good labor preparation. The judgment of lambing time: one is according to the breeding date. The average goat is pregnant for 152 days (141~159 days) and the sheep for 150 days (140~158 days). From the breeding date pushed back 5 months, namely the lambing time. Two do not know the date of the mating, but also according to the performance of the late pregnancy to infer. Prenatal pregnant sheep for half a month, see the abdominal circumference was significantly increased and the breast swelling, vulva swelling relaxation. The root of the tail muscle subsides may within one or two days after lambing, you should stop grazing. If it is found that pregnant sheep to walk, dig up front, lying, frequent urination, vagina outflow mucus, and constantly nuze tweets, that will soon be lambing. At this time should do all the production preparation, ready to receive production. 2 prenatal preparation Lambing in 2 ~ May, the weather is still cold, the best set of delivery room. Small Tail Han sheep to delivery room Xiangyang, shelter, dry, fresh air, best to keep the temperature at 10 DEG C, in the delivery room prior to cleaning and disinfection, with good litter, and to be ready for production of scissors, washbasin, towel, cloth, notebooks, scales and disinfection drugs and lighting appliances. To cut the hair around the nipple, so that after the birth of suckling lamb. In order to make labor ewes being familiar with the environment of delivery room, in 2 to 3 days before the ewes were determined by professionals, business into the delivery room, observe, found signs of pre production, timely delivery. 3 production Production in the delivery room, if found in grazing ewes delivery, should try to take shelter from the wind, sunny, dry ewes rushed to the place of delivery, co