What is the time and characteristics of piglet yellow dysentery? _

Yellow dysentery of piglets, also known as early-onset colibacillosis, is an acute fatal infectious disease of newborn piglets caused by some serotypes of Escherichia coli. The main symptoms are yellow loose stools and acute death. Autopsy showed changes of enteritis and septicemia, and some of them had no obvious lesions. _ _ _ _ _ _ _ piglets usually get sick suddenly at the age of 3 days, some may get sick at 12h after birth, and a litter of 1 ~ 2 piglets suddenly weaken and die, and then sick pigs with obvious symptoms appear. Early discharge of yellow paste-like dilute feces, late discharge of foul yellow liquid, serious anal relaxation, fecal incontinence. Mental depression, rapid weight loss, dehydration, sunken eyes, coma and death.