Recently, readers in Handan and Hengshui have consulted on the issue of pigeon disease prevention. To this end, we have published this article in the hope that we can help everyone. ---editor
I. Pigeon type I paramyxovirus disease
The pathogen is the pigeon type I paramyxovirus. Its clinical symptoms and pathological changes are very similar to Newcastle disease of chickens. It is commonly known as pigeon Newcastle disease and is one of the most important diseases that endanger pigeon breeding industry and is widely distributed. The pigeons of all ages were susceptible. The sensitivity of pigeons was the highest, and diarrhea and neurological symptoms were the main features. The necropsy was characterized by subcutaneous hemorrhage in the neck, digestive tract and brain.
Prevention and control: Inoculation with pigeon type I paramyxovirus inactivated vaccine or large doses of chicken Newcastle disease IV line seedlings have good immune effects. After onset, hyperimmune serum or egg yolk antibody injections can be used appropriately. After the epidemic is stable, the vaccine can be administered again 7 to 10 days after the disease is established.
Second, pigeon pox
The disease is caused by the pigeon pox virus and is seasonally obvious. It is related to the activities of blood-sucking insects such as mosquitoes. Different ages of pigeons have susceptibility, the smaller the age, the heavier the disease. The clinical manifestations are skin type, mucous membrane type, and mixed type. The skin types are more common, and crusts appear in the gills, nasal tumors, eyelids, and feet without hair or hair.
Prevention: Early inoculation with homologous pigeon pox vaccine can be well protected.
Third, the pigeon Salmonella infection
The disease is mainly caused by Salmonella typhimurium, the main infringement of young pigeons and adult pigeons, similar to Newcastle disease-like neurological symptoms, diarrhea and joint swelling, necropsy can be seen in the liver scattered in different sizes and shapes Necrosis.
Prevention: Due to the ubiquity of drug-resistant strains, select drug treatment to do drug susceptibility testing to ensure efficacy.
IV. Pigeon pasteellosis
The disease is an acute bacterial infection caused by Pasteurella multocida, and it is mostly endemic. More common in young and old birds, acute death, chronic intermittent diarrhea and joint swelling. The characteristic lesions of the necropsy are the size of the tip of the liver, round gray necrosis, and extensive systemic bleeding and hemorrhage.
Prevention: A variety of antibacterial drugs are effective but easy to relapse. Attenuated bacterin effective protection period of 3 to 4 months.
Fifth, pigeon colibacillosis
The disease is caused by a variety of serotype pathogenic E. coli. The occurrence of the disease is closely related to the existence of environmental factors and management levels and other diseases. All age pigeons are susceptible, and the pigeons are mostly septic. Most of the youngsters and young birds are enteritis. The pericardial, hepatic envelope, and airbags do not show significant cellulitis.
Prevention: Improve feeding management, do a good job of sanitation and disinfection, reduce various kinds of stress is an effective measure to prevent and cure this disease.
VI. Pigeon candidiasis
The disease is caused by Candida albicans. The bacteria are widely present in the pigeon's normal digestive tract. When the pigeons' resistance is reduced, vitamin deficiency, long-term abuse of antibiotics, and poor sanitation conditions can lead to outbreaks and epidemics of the disease. The necropsy was characterized by the appearance of a white cheese-like pseudomembrane on the mucosa of the mouth, esophagus, and crops.
Prevention: Clotrimazole, nystatin, copper sulfate and other drugs are all effective. Kang Baowei 0.1% ~ 0.3% mix in health sand, a good preventive effect.
VII. Trichomonia trichomoniasis
The disease is one of the most common and most harmful pigeon parasitic protozoan diseases. Adult pigeons often have no morbidity. Youngsters are infected by swallowing the "pigeon milk" fed by the old birds. They show pharyngeal, visceral, and umbilicus types. The pharyngeal type is the most common. The eyes are in the mouth, pharynx, esophagus and fistula. The mucosal surface of the capsule is covered with a yellowish-white cheese-like substance that is easily stripped.
Prevention: Net dropping of pigeons and metronidazole have better control effect on the disease.
8. Pigeon tsutsugamushi disease
The disease is a common parasitic helminthic disease, and is most commonly found in groups of birds that are grouped and frequently contact the ground. There was no obvious symptom when mild infection occurred; in severe infection, sick pigeons lost weight, poor feather growth, digestion and malabsorption, alternation of constipation, frequent heterophoria, and sometimes convulsions and taro torticollis, and finally died of failure.
Prevention: Doing a good job in environmental sanitation inside and outside the loft, frequent removal of excrement and harmless treatment, and regular deworming are effective ways to prevent this disease. The commonly used anthelmintic drugs include quercitrin, levamisole hydrochloride, albendazole, and phenothiazine.
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