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 will inhibit laying eggs, laying hens with caution, if combined with the use of the same amount of soda (sodium bicarbonate) can reduce side effects. There are many drugs that can treat chicken rhinitis, such as Gaolimixian, ciprofloxacin, rhinitis, etc., but they are easy to relapse after cure, difficult to remove the root, and the course of treatment is too long. Can adopt the combination of traditional Chinese and western medicine therapy, the dose should be large, the effect is remarkable. For example, use Chinese herbal medicine Magnolia, 2 grams per adult chicken per day; Xanthium sibiricum, 1 gram per adult chicken per day, drink water after frying, combined with tylosin, soluble in 10 kilograms of water per gram, once a day for 5 days. It should be noted that if rhinitis has broken out in chickens and the incidence is less than 1%, they can still be vaccinated with infectious rhinitis vaccine. if the incidence rate is more than 5%, they must not be vaccinated against infectious rhinitis to prevent the deterioration of the epidemic and the emergence of batch dead chickens.
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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.
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Environmental stress in pigs
Stress is the sum of the nonspecific responses of an organism to various unusual stimuli. Environmental factors that can cause stress response are called stressors or stress factors. Pigs are stimulated by environmental factors, but the form of reaction is different, general stimulation causes specific reaction of the body, such as cold in winter, pigs gather together; hot in summer, evacuation and other phenomena. Some stimuli (stressors) not only cause specific reactions, but also cause non-specific reactions, namely stress reactions, which are manifested as follows:
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