(1) Swine dysentery piglets ages 49-84 days, occur in four seasons, first acute, then chronic, difficult to remove. At the beginning of the epidemic, no symptoms suddenly died. Most diarrhea of ​​varying degrees, first soft stools, gradually dilute yellow feces, mixed with mucus or blood. Mainly, knot, cecal mucous membrane swelling, congestion and hemorrhage, intestinal cavity filled with mucus, there is a bran-like pseudomembranous. Microscopic examination of intestinal mucosa smears contains a large amount of Treponema. Trichomonas net oral and injection are very effective.
(2) Acute piglet jaundice
The most common are 1-3 days old, and the most acute piglets do not see sudden death of symptoms within hours of life. The diseased piglet excreted yellow dilute feces, contained curd patches, and flowed down along the anus, leaving no traces of feces around and was easily overlooked. When the diarrhea is heavy, the scrofula of the gilt is contaminated by manure and hindlimb. The sick pigs eat or not eat, have poor spirits, loose anus, defecate incontinence, lose weight and dehydration, and eventually fall to the ground and coma.
(3) White muscle disease (muscular dystrophy)
White muscle disease occurs most often in piglets of about 20 days of age, and sick piglets are physically robust and suddenly develop the disease. Normal body temperature, loss of appetite, lack of energy, urge to breathe, lying, often sudden death. The cause of white muscle disease is lack of selenium.
(4) Foot-and-mouth disease of suckling pigs
Acute death from acute gastroenteritis and myocarditis usually occurs.
(5) Edema of piglets
It occurs before and after weaning and can occur all year round. It is more common in well-fed and healthy piglets, and it suddenly dies. Some have mild constipation after diarrhea, some edema such as eyelid, or as neurological symptoms such as ataxia. The anatomical manifestations were mainly edema, gastric curvature, jelly-like edema of gastric mucosa and muscle, and mesentery and subcutaneous edema.
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