< h1 class="pgc-h-arrow-right" data-track="1" > overview</h1>
Recently, many breeding friends feedback that the chicks have inflexibility, paralysis, and walking instability when driving away for 8-9 days as the main appearance symptoms, and in many cases, the more serious the treatment according to the treatment of serositis, the more serious the problem, and many diseases can be caused by paralysis and neurological symptoms in the chick stage, so it is necessary to combine clinical and anatomical symptoms.
<h1 class="pgc-h-arrow-right" Data-track="24" what are the causes >? </h1>
(1) The immunity is not in place, the model is not correct or the strain is mutated;
(2) vertical transmission or no immunization vaccine;
(3) Mycotoxins cause low immunity;
(3) The house is too wet and dark;
<h1 class="pgc-h-arrow-right" data-track="25" What are the symptoms of viral hepatitis in ducks >? </h1>
Generally within four days, it is more common to have more than 8 --- 9 days of chicks, about 15 days there are also general single infections, sudden onset, poor spirit, nerve symptoms can be seen after the onset, drowsiness does not eat and feathers are not smooth, the body falls to one side, head to the back, the feet repeatedly pedal. Pulling stool is white, yellowish white, or green stool.
<h1 class="pgc-h-arrow-right" What are the anatomical symptoms > data-track="26"? </h1>
(1) Single type: the typical symptoms are mainly on the liver, the liver is reddish or yellow, there are bleeding spots or bleeding spots of different sizes on the surface of the liver, the gallbladder is full of brown or light green, the spleen is swollen, and the kidney is swollen brown or pale green.
(2) Mixed type: In addition to the symptoms of duck viral hepatitis, it also has symptoms such as spleen hemorrhagic spots, white necrotic lesions, blackening, hard band white spots, atrophy, etc.; some are mixed with bacterial diseases
The anatomical symptoms are shown in the figure:
Single type of duck hepatitis
Duck liver is mixed with spleen necrosis
<h1 class="pgc-h-arrow-right" data-track="27" > treatment options</h1>
Emergency injections of duck viral hepatitis antibodies type 1 and type 3 vaccines
(1) Single viral hepatitis: Yili no + Chenyuan Baokang peptide + Mei control
(2) Mixed infection of hepatitis and spleen necrosis: Yili no + Junqing + Mei control