久久精品视频在线观看免费,超碰日本欧美国产精品,国产精品久久久久久久久久久久久免费看,曰韩欧美亚洲美日更新在线,综合激情五月婷婷,久久综合久久婷婷,亚洲AV成人无码一区二区三区,丰满人妻欲求不满日韩久久

Now the pig farms will be equipped with pig raising equipment, so if there are skills in the purchase of piglet feeding, it is not optional. Here are eight skills and methods for the purchase of piglets.
1、 Look at the peritoneum and peritoneum. It can be seen in the dilation of stomach, distention of intestine, ascites, etc.
2、 Look at the anus of healthy pigs. The anus is clean without feces. Fecal contamination indicates diarrhea.
3、 The feces of healthy pigs are soft and moist, which are cone-shaped section by section. Defecation is dry and hard and spherical, which is seen in fever; defecation is seen in diarrhea, gastroenteritis, intestinal parasitosis, etc. if defecation is thin and white, which is seen in dyspepsia, diarrhea and piglet dysentery, which have bad smell.
4、 If the ears and neck are swollen or hard or there are pinholes, it means that the sick pig has just been injected with medicine. While the neck of healthy pigs sinks, and the temperature of healthy piglets is close to that of human body. When piglets have fever, when the temperature of the hands, ears and neck is low, it is often seen in long-term diarrhea, anemia or heart failure.
5、 The fur of healthy piglets is smooth and tidy, without bleeding spots, disordered and matted, with bleeding or pockmarks on the skin. If the skin is dry and desquamated, there may be scabies or dermatosis.
6、 Look at mental health pig spirit lively, bright eyes have God, see people have a sense of fear. The sick pig is mentally retarded, in an incorrect position, with his eyes closed and his eyes sluggish.
7、 Look at the mouth and nose of healthy pig nose, wet, pink mouth color, no swelling. If the nasal mirror is dry or there is purulent discharge from the nasal cavity, it indicates that it is unhealthy. If the mouth is red, pale and the tongue is covered with moss, it is a sick pig.
8、 The conjunctiva of healthy pigs is pink without secretion. The conjunctiva of sick pigs is white, which is seen in parasitosis, anemia and internal hemorrhage. Redness and hyperemia are seen in dyspnea and circulatory disorder. The increase of conjunctiva is seen in fever and ophthalmopathy.