Female infertility looking for cause

1. improper feeding and management. The first is the excess nutrition. The rabbits with back-up species have developed into obese commercial rabbits. It is recommended that farmers should formulate feed formulas, adjust the proportion of concentrates properly, ensure that crude fiber accounts for about 15% of the diet, and supplement appropriate amounts of hay and vegetables. Second, due to lack of nutrition, the resulting female rabbits are too thin. Some female rabbits have a lot of litters and have a long lactation period, which causes the maternal nutrient reserve to consume too much and the sensation is difficult to recover. Therefore, care should be taken to “progressively” increase the amount of feed and increase the proportion of protein in the diet during the feeding process. The third is a single type of feed, protein supply is less, vitamin E deficiency. Therefore, attention should be paid to the nutritional balance of the feed, and the regulation and improvement of the feed should be made.

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. When the female rabbit is in estrus, the appetite drops and is disturbed. The hind paws strike the bottom of the cage, and sometimes the hindquarters and the tail are lifted. If they are placed in a rabbit cage, they like to approach the male rabbit and are willing to accept mating. It can also be judged by the observation of the genital area of ​​female rabbits. When the female rabbit is in estrus, the genital area is moist, red and swollen. If it is pink, it is the early stage of estrus. The appearance of a large red color is the middle period of estrus. The purplish red is the estrus. This is the best time for 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. Penicillin may also be given intramuscularly at 20,000 to 40,000 units per kilogram body weight, 2 to 3 times per day. The inflammation is cured and then the breeding.

4. Congenital infertility. This disease occurs in the reserve female rabbits, and some of them can obtain better reproductive effects through the intramuscular injection of the estrogen diethylstilbestrol and follicle stimulating hormone, but they must be eliminated in time when they are not estrus and treatment is ineffective.

5. Epidemic infertility. Brucellosis, toxoplasma, and spirocheteosis are also important causes of infertility in female rabbits. These pathogens can be transmitted under natural conditions and can also be infected under natural mating conditions. The diseased rabbits have obvious clinical symptoms. The principle of prevention and treatment is early detection and early treatment. It should do a good job in the environmental hygiene of rabbit houses, do a good job of disinfection, strengthen nutrition, and enhance the body's resistance to disease.

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