1. improper feeding and management. The first is the excess nutrition. The rabbits with back-up species have developed into obese commercial rabbits. Second, due to lack of nutrition, the resulting female rabbits are too thin. The third is a single type of feed, protein supply is less, vitamin E deficiency. 2. Lack of technology and mistakes in operation. The breeder's determination of whether the female estrus was unclear or inaccurate, and infertility caused by the discomfort of breeding. 3. The inflammation of the reproductive tract causes infertility. Sometimes the female genital area is swollen, inflamed, and even ulcerated out of mucous. This situation can easily lead to female infertility. Can be used 0.1% potassium permanganate solution to wash the affected area, and oral sulfadiazine, 0.1-0.2 g per kg of body weight fed, 2 or 3 times a day. The inflammation is cured and then the breeding. 4. Congenital infertility. This disease occurs mostly in the reserve female rabbits, and some of them can obtain better reproductive effects through intramuscular injection of estrogen, but they should be eliminated in time if they are not estrus and the treatment is ineffective. Ice Hair Removal,Ice Laser Hair Removal,Ice Therapy Hair Removal,Ice Cold Ipl Hair Removal Shenzhen Jie Zhong Lian Investment Co., Ltd. , https://www.szmeizon.com