Diagnosis and treatment of difficult chicken disease in spring

Chicken farmers have been able to control diseases such as chicken cold, coccidiosis, chicken leek, and tracheitis, but they are still difficult to dispose of. The clinical symptoms and prevention and treatment of the four chicken diseases in spring are summarized as follows:

1. Abdominal dilatation syndrome 4 to 5 weeks old chickens are prone to this disease: abdominal enlargement, head and face purpura, difficulty in breathing, and gradual failure. The necropsy of the dead chicken showed a pale yellow liquid on the abdomen, pericardial effusion, right heart dilatation, pulmonary congestion, edema, liver and gastrointestinal atrophy, and congestion. The disease is caused by chronic hypoxia, cold, high ammonia concentration and lack of selenium, vitamin C, phosphorus and genetic factors.

Control methods:

1Prevent the administration of sulfonamides and furans that are more toxic to the kidneys and liver; Aminoglycosides, quinolones and other antibiotics should not be used too much;

2 This disease is often secondary to E. coli disease or chronic respiratory disease. Ampicillin or amoxicillin (10 g/100 kg water) and ciprofloxacin (5 to 10 g/100 kg water) antibiotics can be used to prevent Secondary infection

3 Add 500 g of selenium auxin to 100 kg of feed and add appropriate amount of vitamin E at the same time.

2. Inappropriate bad habits syndrome Spring intensive chicken farms, due to inadequate dietary nutrition or a variety of nutrient ratios, coupled with poor environment, management disorders, a large number of chickens in the flock, licking, defecation, Toe, quail eggs and chickens and other bad habits.

Control measures:

(1) Debris, 5 to 9 days old for the first time, 10 to 12 weeks for the second time;

2 Preparation of full-priced diet, reasonable feeding, scientific management;

3 maintain a suitable breeding density;

4 Add 1 to 2% gypsum powder and 1% to 2% salt in the diet of the diseased chicken;

5 When the diseased chickens were found to be isolated in time, the wounds could be coated with iodine, gentian violet, and camphor oil to prevent ulceration.

3. Bulkhead Facial Syndrome disease around the eyes, head and face, and even down the collar and meat lobe swelling, showed a typical "big fat face" shape, and showed a certain degree of shaking his head, torticollis and other neurological symptoms. The disease is a multifactorial infectious disease caused by avian pneumovirus and secondary to bacterial infections such as pathogenic Escherichia coli.

Control measures:

1 Improve the feeding environment;

2 to prevent the secondary bacterial infection, the choice of sulfamonomethoxine ~ .03%?? 11?

3 Injection of attenuated vaccines (day-old spray) or inactivated vaccines.

4. Fatty liver syndrome This disease is a nutritional disorder caused by impaired fat metabolism in chickens. He suffered from pale anemia and pale feicidemia in chickens, gray and white excrement, head and neck flexion or back flexion, falling to the ground, and eventually weight loss.

Control methods:

1 Control the energy level in the diet and increase the protein content by 1% to 2%.

2 Add 100 g of choline chloride, 50 g of methionine and 5 g of multivitamin, 12 mg of vitamin B12, and 0.05 to 0.1 mg of selenium per 100 kg of feed.

3 chickens were fed individually and each was fed 0.1-0.2 g choline chloride and 1 mg vitamin E. At the same time take 30 grams of Bupleurum, Astragalus, Salvia, Alisma each 20 grams, 10 grams of Schisandra, small study, according to the per dose of 1 to 2 grams of spices fed.

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