Characteristics of Nutrition and Metabolic Diseases in Chicken
1. The incidence is slow, the incidence is high, the course of disease is long, and most cases have a long-term recessive process.
2. generally, the body temperature is low or in the normal range, there is no contact infection between chickens, and most of the diseased chickens have diversified clinical symptoms such as growth arrest, anemia, digestive and reproductive dysfunction and so on.
3. Early diagnosis is difficult, but this kind of disease has characteristic changes of biochemical indexes of blood or urine or pathological changes of organs and tissues. Through the examination and analysis of feed or soil and water quality, the cause can be identified.
4. Replenishing a nutrient or element during deficiency, or reducing the supply of a substance in the event of excessive disease, can prevent or treat the disease.
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Jinding duck
Originated in Longhai, Tongan, Nanan, Jinjiang and other counties and cities in Fujian Province, it is one of the high-yield breeds of egg duck in China. Jinding duck has a long body, with red-brown forebody, gray-brown back, dark markings on the belly, dark brown wing feathers and dark brown tail feathers. The mother duck has a thin and compact body and a plump belly. The whole body feathers are reddish brown sparrow feathers and mirror feathers. Beak yellowish green, shank web orange, iridescent brown. The adult male duck weighs 1.76 kg. The mother duck weighs 1.78 kilograms. The female duck begins to lay at 120 days old and lays 280 eggs a year.
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Sulfonamides for the treatment of chicken nose transmission
The pathogen of infectious rhinitis in chicken is Haemophilus parasuis, which is an acute upper respiratory disease with high contact transmission. The disease is easy to be prevalent in wet season, mixed infection is the most common, and the incidence of adult chicken is high. Symptoms: runny nose, scab after drying, blocking nostrils. The face is swollen, one side of the face is mostly swollen, shake the head, close the eyes in a daze, like to lie down, feed intake decline, egg production decline, pull green thin feces. Individual chickens have respiratory symptoms, such as coughing and sneezing. Treatment: sulfonamides have special effects, but they will
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