Hyaluronic Acid,Empagliflozin Dosage,Empagliflozin Effects Pharmaceutical and Medical Co., Ltd. , http://www.chphmedical.com
Reasonably Arrange Four Seasons Breeding of Rabbits
Although rabbit breeding has no obvious seasonality, it can be bred all the year round, but the differences in temperature, sunshine, and nutritional status in different seasons have certain effects on estrus, abortion, litter size, and survival rate of pups. Impact. For this reason, it is very important to rationally arrange breeding of rabbits during the four seasons to improve their breeding efficiency. In spring, the spring weather is warm, the sun is full, the temperature is suitable, the feed is gradually enriched, the female rabbits are estrus concentrated, the sexual performance is most prosperous, the fertility rate of mating is high, and the number of litters is high. According to data, spring (January-May) female estrus rate of up to 80% -90%, the conception rate of up to 85% -95%, an average of 8 per litter. Therefore, spring is the best season for rabbit breeding. It is necessary to seize the time to breed and ensure the breeding of 2 children. In summer, the summer weather is hot, the temperature is high, the humidity is high, the feed intake of the rabbit is reduced, the body weight is reduced, the semen quality of male rabbit is obviously reduced, azoospermia and dead sperm are increased, female sex function is not strong, the rate of mating fetus is low, and the number of litters less. According to the survey, in summer (June-August), the female estrus rate is 20%-50%, the fertility rate is 30%-40%, and the average number of litters per litter is 3-5. Therefore, under normal circumstances, breeding should be suspended during the summer. The rabbit farms (households) with good conditions, such as the male and female rabbits, have strong physique, shade and heatstroke prevention and can control the temperature below 28°C, and can also arrange breeding in summer. In autumn, the autumn climate is mild, with rich feed and high nutritional value. The rabbit's physique begins to recover. The libido of the male rabbit gradually becomes stronger, the sperm motility increases, and the density increases. The female estrus is plentiful, the fertility rate of mating is higher, and the number of litters is higher. According to reports, in autumn (September-November), the female estrus rate is 75%-80%, and the mating rate is 70%-80%. The average litter size is 6-7 per litter. Therefore, autumn is another good time for rabbits to breed and breeding, and reasonable arrangements must be made to guarantee the reproduction of 1-2 births. In winter and winter, the wind is cold and cold, the temperature is low, the sunshine duration is short, the green and green fodder is lacking, the nutrition level is decreased, the rabbits' physique is thin, the male rabbits are not sexually active, and the sperm motility and density are normal. According to data, during the winter (February-February), the female estrus rate is 60%-70%, and the fertility rate for breeding is 50%-60%. The average litter size is 6-7 per litter. In winter, if there are more green feed supplies and good insulation facilities, better reproductive effects can still be obtained. In general, the young rabbits breeding and breeding in winter are more robust, with dense hair and strong resistance to disease. On the other hand, if rabbits are not suitable for a long time in winter, they may cause reproductive dysfunction and decline in sexual function, affecting breeding breeding in the spring.