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Remove the residual rabbit optimization group
In the production and reproduction process of rabbits, individuals with physical defects are often encountered. These physiological defects cause the rabbits to be weak and sick, have low productivity, and cause rabbit deaths. Therefore, in the breeding process of rabbits, these individuals with physical defects should be eliminated as far as possible so as not to bring undue losses to the subsequent production. 1. Dwarf rabbit. Rabbits have congenital hypoplasia of the pituitary gland, leading to small individuals in rabbits, typically only one-third the size of normal individuals. Although this rabbit can survive, it is stunted and the individual is much smaller than the individual rabbits. 2. Congenital lop rabbits. In addition to losing the original breed characteristics, the rabbit had no other bad performance. Therefore, as long as it is not used as a breeding rabbit, the impact is not significant. 3. Bull eye rabbit. Also called edema eye rabbits, the main feature of rabbits is that the eyes are like bull's eyes, round and prominent. "Bull's eye" can occur in both eyes, it can also occur in monocular. With the change of eyeballs, the reproduction performance of this male rabbit is obviously low, such as a significant reduction in the number of sperm, even without sperm. 4. Cataract rabbit. Shortly after birth, the rabbit had a "cataract" in the eye, and the posterior wall of the eyeball appeared cloudy. By 5 to 9 weeks of age, the eyeball was completely cloudy and the rabbit's eyes became blind. 5. Jaw deformity rabbit. The rabbit's jaw deformed, the mandible moved forward, and the incisors dislocation occurred, making the rabbit unable to feed normally. In severe cases, rabbits often die of hunger. 6. Short limb deformity rabbit. Rabbits are very short limbs, according to their symptoms can be divided into the following three conditions: The first is a rabbit with short limbs, head short and wide and slightly square, the tongue often stretched out of the mouth, chest short and horn-shaped, Abdominal enlargement; the second is the short limbs of rabbits, but the tongue does not extend out of the mouth, the muscles are plump, the long bones are obviously deformed, the end of the trunk is widened and shortened, and the tibia and thyroid cartilage are overgrown; the third is rabbits Shortened limbs, acetabular and femoral malformations, rabbits have symptoms of severe claudication and a papillary protrusion at the root of the ear. 7. Short-toed rabbit. The rabbit's toes become short or defective. This symptom can occur on one foot, or it can be completely free of toes on both feet; in the most severe cases, the metacarpal bones can be bent and shortened. 8. Eight-legged rabbit. The rabbit's femur protrudes forward and the hip joint is in a semi-dislocated state. The light will not stand up, and the heavy ones will cause paralysis. 9. Tremor rabbits. The entire body and head of the rabbit are always in a state of slight trembling and stop only when they sleep. Most rabbits are frail and sick and die of other diseases. 10. Kidney hypoplasia rabbits. The rabbit lacks a kidney congenitally. On the side lacking the kidney, the male rabbit also lacks the testis, while the female rabbit has a normal ovary but often has no uterus or uterine defect. 11. Polycystic kidney rabbits. Rabbits have one hundred to several hundred vesicles under the kidney and they are about 1 mm in diameter. Because a large number of vesicles can seriously affect the function of the rabbit kidney, it often causes the death of rabbits. 12. Rabbit. Rabbits have low cardiopulmonary function and often die of respiratory dysfunction. 13. Arteriosclerosis rabbits. Rabbits have excessive hyperplasia of the arterial wall and form hard spots or small nodules on the wall of the aorta. All the rabbits with the above genetic defects are not normal rabbits. They carry all kinds of harmful genes. They must be closely monitored during the breeding process. They must be eliminated one by one and must not allow harmful genes in the rabbit population. There is.