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Autumn, the best sheep mating season, should pay attention!
Release time:
2018-09-06
Autumn is the best breeding season for sheep. At this time, ewes are generally in high estrus and rams have strong libido. In addition, the weather in autumn is cool, the climate is suitable, forage grass resources are abundant, and sheep have good fat condition. The constitution of lambs produced in spring by ewes in autumn is better than that produced in other seasons. The lambs born in that year were fattened in that year and sold just before the Spring Festival. The selling time is good and the economic benefit is high.
Autumn is the best season for sheep.At this time, the ewe is generally exuberant.,Rams have a strong libido,Plus the cool autumn weather,climate suitable,rich forage resources,The sheep's fat is good.,Autumn with ewes spring-born lambs have a better physique than lambs produced in other seasons. The lamb that was born that year was fattened that year,Just in time to sell before the Spring Festival,good time to sell,High economic efficiency. How to do a good job in the autumn management of sheep andmating reproductionWhat??The key to grasp the following five points:
1. improve the nutritional level of breeding rams. Although the number of rams is small, but the species is of high value,Great impact on future generations,In feeding management requirements are very high. The breeding body condition of the male sheep should be kept robust all year round.,The body is good but not fat.,To ensure that their sexual desire, semen quality is good. forage fed to the ram,We should seek to diversify,scientific collocation. The body weight during the breeding period was80-90The ration for a kilogram ram is roughly:concentrate feed1kg, alfalfa hay or wild hay2Kilograms, carrots1-1.5Kilogram, table salt15-20grams, bone meal5-10g. Concentrated feed and roughage can be divided2—3secondary supply,Rams in the mating period should be fed some more forage at night. Rams should exercise frequently during the breeding period,You can exercise for about half an hour every day. In the breeding busy period,Rams should be filled with fresh eggs every two days.1-2A. in the later stages of mating,Do not reduce the amount of concentrated feed immediately.,To feed for a period of time and then reduce the amount,Gradual transition to the feeding level of the non-breeding period.
2. catch.EweThe best time to breed. To master the estrus of the ewe, do timely mating. After estrus, the ewe showed decreased appetite, chirping uneasy, flushed vulva swelling, vaginal discharge, frequent tail wagging. Ewe after estrus30-40hours to start ovulation,At this time, mating is most likely to get pregnant.,The breeding of ewes is also smooth.,especially at the end of the heat,Mate once to conceive. But in production practice,The method of double mating is usually used.,That is, after the first mating,Interval12Those who are still in estrus for hours have a second mating.,This increases the conception rate of the ewe.
3. strengthen the management of pregnant ewes. Ewes after conception, such as improper feeding management,Easy to cause premature birth and abortion. It is strictly forbidden to feed sheep with moldy or poisonous forage,It is strictly forbidden to let sheep drink water on an empty stomach.,It is strictly forbidden to let the sheep be frightened or have strenuous movements such as rushing or jumping ditches during grazing.,Especially in the sheep in and out of the pen door or feeding to prevent them from squeezing each other. For ewes with habitual or congenital abortions,It is advisable to inject veterinary fetal protection drugs for prevention within a certain period of time. Ewe early pregnancy,Slow fetal development,No significant increase in nutritional requirements,However, the ewe is required to continue to maintain good body condition. The diet can be determined according to the specific situation,generally available50%of alfalfa,30%the hay,15%of silage corn stalks and5%The composition of the concentrate. Before the ewe is in labor5-6week.,The amount of concentrate can be increased to18%Left and right. Simultaneously,Ewes should have moderate exercise in late pregnancy,And pay attention to add the right amount of vitaminsAand vitaminsD.
4. do a good job in the prevention and control of epidemic diseases. Autumn is the season of epidemic disease, except for the use of levamisole or propamisole for deworming flocks,We also need to inject the epidemic.(bacteria)vaccine immunity,Prevention of infectious diseases.
5. do a good job in the cleanliness of the sheep shed. Always clean the manure in the sheep shed and the dirt in the feed trough.(such as soil, stones and leftover grass roots, etc.),Keep dry and clean. To be used regularly2%of caustic soda solution,3%of carbolic acid or2%of formalin disinfection. winter cold period,Sheep shed to be repaired,Clogging the north vent,Try to keep the temperature of the sheep house2℃Above. In addition,Always brush the sheep.,Enhance blood circulation,Improve their disease resistance.
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