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Symptoms of viral hepatitisWhat duck viral hepatitis mainly harms 4-10 day old chicks. It is an acute infectious disease of the chicks, mortality.
The pathogen is an enterovirus. The incubation period after infection is 1-4 days and the onset of the disease occurs suddenly and spreads rapidly. Sick ducks are mentally atrophied, eyes are half-closed, drowsy, and see neurological symptoms, motor disorders, the body is tilted to one side, or on the ground, in circles, spasmodic movements of the feet, the head is tilted back, and the angle arch is reversed. Death occurs within minutes to a few hours of the above symptoms.
The liver is enlarged, brittle, and subdynal membranes with bleeding spots or bleeding spots of varying sizes. The gallbladder is large and full of bile. The kidneys and spleen are sometimes enlarged.
Prevention is carried out using high serum free and recovery duck serum intramuscular injection of 0.5 ml. Eggs from the mother can also be used to make immune yolks, and each sick duck can be injected with 1-1.5 m
The chicks are fed an appropriate amount of various vitamins and minerals to strengthen their physique. Chicks of different day-olds are strictly segregated and kept separately.
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