<h1 class="pgc-h-arrow-right" data-track="3" ></h1>
Duck viral hepatitis is mainly caused by duck viral hepatitis virus (type A and B), the main attack on the onset of ducks within one month, the smaller the day age, the higher the mortality rate, the main invasion of ducks, characterized by liver enlargement, bleeding spots and neurological symptoms Mortality rate of up to 90%, in recent years the main manifestations of sporadic symptoms are not obvious, the current mortality rate is directly related to the quality of the environment, the route of infection through the digestive tract and respiratory tract.
<h1 class="pgc-h-arrow-right" data-track="3" >2. </h1>
(1) Immunity is not in place The model is not right or the strain is mutated (2) The mycotoxin causes low immunity (3) The house is too wet and dark (4) The management is not in place, even if it is immune, it should be returned.
<h1 class="pgc-h-arrow-right" data-track="3" >3. What changes have occurred in duck viral hepatitis? </h1>
1. The age of onset gradually increases, and it can occur during the breeding period and egg laying period without infection;
2. The probability of mixed infection of bacteria increases; such as E. coli, serositis, mold, etc
3. The onset treatment is easy to repeat.
<h1 class="pgc-h-arrow-right" data-track="3" >4. What are the symptoms of duck viral hepatitis? </h1>
In the past four days, it is more common, some can be seen for about 15 days, sudden onset, poor spirits, visible neurological symptoms after the onset, drowsiness and not eating and feathers are not smooth, the body falls to one side, the head to the back is "angle arched", and the feet repeatedly pedal the ground.
<h1 class="pgc-h-arrow-right" data-track="3" >5. How is it diagnosed? </h1>
Typical symptoms are mainly on the liver, the liver is reddish or yellow, the gallbladder is full, there are bleeding spots or bleeding spots of different sizes on the surface of the liver, the gallbladder is full of brown or pale green, and the kidneys are swollen.