Adult Briefs,Depends Adult Diapers,Adult Diapers For Sale,Adult Disposable Diapers Shandong Kangshun Daily Products Co., Ltd , https://www.centurybenifit.com How to Raise the Breeding Rate of Ewes Home|Company Profile|Corporate Culture|Organizational Settings|Cattle and Sheep Breed|Cattle and Sheep Prices|Cattle and Sheep Breed|Cattle and Sheep Epidemic|Cattle and Sheep Feed|Cattle and Sheep Culture|Cattle House Construction|Sheds Construction Qualification Honor | Service Commitment | Benefit Analysis | Purchasing Transportation | Industry News | Market Information | Policies and Regulations | Introduction Guide | Technical Training | Dairy Center | Contact Us | Culture Video Luxi Cattle | Limousin Cattle | Charolais Cattle | Angus cattle | Heyford cattle | Simmental | High-yielding cows | Charolais sheep | Boer goats | Little Tail Han sheep | Dorper sheep | Dorset sheep website Announcement Shandong beef cattle Boer goat breeding base year-round supply of beef cattle Beef calves, Simmental beef cattle, Charolais beef cattle, Luxi yellow beef cattle, Limousin beef cattle, Improved beef cattle, Cross beef cattle, Fatten beef cattle, Luxi yellow beef calf, Simmental beef calf, Charolais beef calf , Limousin beef sirloin, improved beef sirloin, sir cross beef sirloin, fattening beef sirloin, Shandong beef cattle boer goat breeding base provides comprehensive beef cattle breeding technology and new methods of beef cattle breeding, beef cattle prices, beef cattle feed, Cattle breeding, beef cattle prices, beef cattle, beef cattle breeds, cattle market and other technical services! Including Shandong aquaculture beef cattle breeding technology, how to breed beef cattle, how to breed beef cattle, distiller's grain breeding beef cattle technology, straw beef cattle breeding technology, beef cattle breeding prospects, beef cattle price analysis, beef cattle market conditions, breeding beef cattle knowledge and other columns, Shandong farming Industrial farms and cattle breeding bases provide analysis of cattle breeding and beef cattle breeding benefits. At present, the scope of sales of cattle and sheep radiation throughout the country aquaculture, sold to Shandong beef cattle farms, Fujian beef cattle farms, Shanxi beef cattle farms, Shaanxi beef cattle farms, Shanxi Boer goat farms, Shaanxi Boer Goat sheep farms, Xinjiang, Gansu small-tail Han sheep farms, Guangdong Boer goat farms, Guangxi Boer goat farms, Inner Mongolia Han sheep farms, Shandong aquaculture, Hebei aquaculture, Henan aquaculture, Anhui aquaculture, Jiangxi aquaculture , Hunan aquaculture, Sichuan aquaculture, Yunnan aquaculture, Shanxi aquaculture, Jilin aquaculture, Inner Mongolia aquaculture, etc. make a tremendous contribution! The base has now become a large-scale breeding company in Shandong aquaculture industry with large scale and high technology content.
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How to increase the breeding rate of ewes Published: 2008-5-16 0:01:07 Number of reads: 30 times 1. Increase the proportion of fertile ewes. Every year, it is necessary to rectify the flock, eliminate elderly sheep and infertile sheep in time, and leave small rams and ewes that are not used for breeding, so that the proportion of educated ewes can reach more than 70%, which can be borne by ewes. The larger the proportion, the greater the number, and the more beneficial it is to increase the reproduction rate.
2. Strengthen feeding management. Prior to mating, it is necessary to grasp the summer and autumn harvest, increase nutrition, and increase the weight before mating, so that the ewes will be in neat heat, the quantity of ovulation will be increased, and the quality will be improved. The breeding rate, conception rate and multiple births will be improved. Intensive feeding and management during pregnancy, especially during late pregnancy, can reduce the rate of miscarriage, stillbirth, and mortality in ewes. Lambs have a large initial weight. Strengthen feeding and management during lactation, can increase the ewe's lactation force, the lamb's growth and development are fast, and the survival rate is high.
3. Choose to keep multiple ewes and their lambs. Election of ewes with 1st to 2nd litter of lambs, the lambing rate of subsequent litters is also relatively high; the number of lambs lambs born will be retained, and the future will have higher fetal sex. This is an important way to improve multi-nature.
4. Frequent lambing. Ewes who breed all year round need to shorten their nourishment period, so that the ewes produce 1 lamb at intervals of 6 to 7 months, 1 for 2 or 2 for 3 years, and the lambs can be weaned earlier, changing from 4 months to 2 3 months weaning, so that the ewes mating early estrous. It is also possible to appropriately advance the initial age of the ewes, which will increase the number of lambs born to the ewes throughout their lives. Frequent lambing is an effective way to increase the number of lambs, but feeding and management must be strengthened for both ewes and lambs.
5. Import multiple lambs blood. The selection of multiple-breasted rams to be bred to ewes of single-family cultivars results in multiple litters for future generations, which can increase subsequent lambing rates. Within the same breed, it is also true to use multiple rams for breeding sheep.
6. Drug aphrodisiac. With reproductive hormone drugs, the ewes are treated according to certain procedures to make them estrus within a predetermined period of time. The currently simpler and more applicable method is the use of prostaglandin drugs.
Treatment of estrus using prostaglandins: One is to give the ewes a one-time injection of PGF2a 6-8 mg (or ICI80996 30-50 mg), and 50%-60% of the ewes will be estrus within 72 hours after injection; Another method is to increase the proportion of estrus at the same time by more than 80% after the first injection at intervals of 11 days at the same dose. (Injection of prostaglandins can lead to miscarriage of pregnant ewes. Therefore, special attention must be paid. Prevent injection of pregnant ewes).
7. Drugs promote superovulation. The reproductive steroids (such as pregnant horse serum gonadotropin--PMSG, pituitary cytosine--PSH and ovulation hormone--HCG, etc.) are used to perform superovulation treatment on the mature ewes. The ovary can excrete more mature eggs in the estrus cycle than in the natural state, and then the ewes are treated with bred sheep or frozen sperm for timely mating.
8. Timely breeding and multiple breeding. Short-term maturation of the estrus should be done in a timely manner to prevent leakage. Practice has proved that after the start of the mating season, the fertility rate of the 1 to 2 seasons of mating is the highest, and the twin birth rate of the born lambs is also high. Some high-yielding ewes have many ovulations, but they are not matured at the same time, but they are discharged one after another. Therefore, multiple breeding or insemination should be carried out. Repeated mating, double mating and mixed insemination can be used to fertilize eggs that have been discharged. Opportunity can increase lambing rate. -go back to the last page- Print this page |
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