Clinical manifestations of sub-health in pigs

Sub-health, as the name implies, is a state between health and disease. Grasping this excessive link is the key to turning the situation around. At present, sub-health is common in pig farms in China, especially in sows. In a sense, the improvement of sub-health will achieve the stability of the pig herd and improve the efficiency.

The clinical manifestations of sub-health in pigs are as follows:

1. Eating disorders: eating more and less, appetite sometimes good and sometimes bad, food feeling sometimes strong and sometimes weak.

two。 Dyskinesia: do not like sports, even drive do not want to move around.

3. Reproductive disorders: abnormal estrus, repeated infertility, return to estrus, abortion, stillbirth, weak baby, low survival rate, less or no milk, long process of labor and so on.

4. Excretion disorder: the amount of defecation is reduced, the urine is yellow to yellowish red, the smell is very strong, the feces are dry and hard, spherical, or the amount of defecation is normal, but the water is insufficient, the central part of the feces is soft, and the outer surface is hard with a layer of hard skin. not on time fixed point excretion.

5. Nutritional disorders: slow growth, white skin, rough coat without luster, emaciation, poor body condition, low feed conversion rate.

6. Visual impairment: increased discharge in the corner of the eye, tear stains, red eyes.

7. Immune disorders: after vaccination, antibodies produce little or no antibodies, normal immunity produces serious complications, stress reaction is large, inguinal lymph nodes are enlarged.

8. Stress disorder: if you encounter stress factors such as immunization, conversion, castration, drug injection, high temperature and so on, there will be outbreaks of disease, skin congestion, body surface abscess (or needle bag), "regular disease" (such as piglets transferred from the delivery room to nursing homes; vaccine immunization, castration, etc.), respiratory diseases and diarrhea are easy to occur.

9. Mental disorders: mental state is not good, eyes are absent, reluctant to look at people, tail straight or drooping, head not high, turn head powerless.

Behavior disorder: not active when standing, do not lie down when lying down; body surface is not clean, there is a strange smell or bad smell in the circle; loud or hoarse cry; cry or obvious asthma at night, etc. Hu Xinxin