母猪生产前后几种常见病的防治（Prevention and treatment of several common diseases before and after sow production）.doc

母猪生产前后几种常见病的防治（Prevention and treatment of several common diseases before and after sow production） Prevention and treatment of several common diseases before and after sow production Http:// 2012-02-19 First, prenatal without food Sow not to eat before, refers to the sow at the end of pregnancy, a diet with a large drop or not eating, and the body temperature is not high as the main characteristics of the disease. A short time before the sows appetite is slightly normal, but in the prenatal long time without food can lead to miscarriage, stillbirth, postpartum without milk, and even the mother and son died. (1) the cause of the disease; One is malnutrition. A month before the sow, the embryonic development of the fastest, high nutritional requirements, inadequate intake of food intake, poor nutrition, will lead to the decomposition of sows in the body from the state. Most of the pregnant sows suffer from a serious imbalance of nutrition, especially the mineral, trace elements and vitamins are seriously unbalanced, which lead to digestive disorders, anorexia, or even pica. Two is feed metamorphism. Some feed mildew or other harmful ingredients, damage liver function and cause loss of appetite. Three is lack of exercise. In late pregnancy, the size of the fetus increases and the digestive tract is compressed, causing peristalsis or relaxation, especially after prolonged periods of pregnancy. Four are stillbirths or mummified fetuses. Some dead fetuses, especially rotten stillbirths, can cause damage to the mothers body and cause loss of food. In addition, endocrine disorders and emergency response (such as driving, high temperature or humidity, poor environmental sanitation, etc.) lead to digestive dysfunction, can also cause the sow not to eat before birth. (two) clinical symptoms; General onset in prenatal days, pigs first food appetite, constipation, reduce urination, lie or when lying, after gradually reduce or even eat different food like drink dirty water, fina