Diagnosis and treatment of canine toxoplasmosis
The disease is a worldwide zoonotic protozoonosis, which exists widely in domestic animals and wild animals. The disease has been reported all over the country.
[main points of diagnosis]
(1) Clinical symptoms: most of them are asymptomatic recessive infection. Infection is more common in young dogs and young dogs, and the symptoms are more serious. There are also fatal cases in adult dogs. Symptoms similar to canine distemper, canine infectious hepatitis, mainly manifested as fever, cough, anorexia, mental malaise, weakness, eye and nose secretions, pale mucous membrane, dyspnea, and even severe hemorrhagic diarrhea. A small number of sick dogs developed severe vomiting, followed by paralysis and other neurological symptoms. Pregnant bitches can have miscarriage or premature delivery, and their puppies often have symptoms such as loose bowels, dyspnea and dyskinesia. Blood examination: in the acute stage, red and white blood cells decreased, neutrophils increased, neutropenia and monocytosis were rare; the total number of leukocytes in chronic cases increased, mainly neutrophils and thrombocytopenia, but there was no tendency to bleed.
(2) Laboratory examination: relying solely on clinical symptoms, it is easy to be confused with canine distemper, especially nervous canine distemper. Therefore, after the comprehensive determination of epidemiological analysis and clinical symptoms, the diagnosis can only be confirmed by detecting pathogens or confirming the increase of antibody titer in serum.
[treatment]
For patients with acute infection, sulfadiazine (SD) can be used, 70 mg per kg body weight, or trimethoprim (TMP), 14 mg per kg body weight, twice a day for 4 days. Due to the low solubility of sulfadiazine, it is easy to precipitate and crystallize in the urine, so it should be taken orally with the same amount of sodium bicarbonate and increase drinking water. In addition, sulfonamide-6-methoxine (sulfamethoxine, sulfonate, SMM, DS-36) or sulfonyl dapsone (SDDS) can be used.
[prevention]
Do not feed raw meat, and prevent dogs from preying on rodents, and prevent cat dung from polluting feed and drinking water.
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Snake parasite
There are many kinds of parasites in snakes, such as whip tongue parasitic in snake lungs and trachea, heterotrematodes parasitic in snake gallbladder and so on. However, due to the short history of artificial breeding of commercial snakes and the limited production scale, there is not much communication on snake disease among snake farms, and the research on the status and control of internal parasites of snakes is not deep enough. Moreover, some drugs in the treatment of snake drug parasites, if the dosage is small, it will not work on the internal parasite; if the dosage is slightly larger, although it has not reached the lethal dose of the internal parasite, it is enough to cause the snake to cause.
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Brief introduction of raccoon dog varieties and selection criteria
1. Racoon dogs belong to carnivores, canines and medium-sized fur animals. According to Chinese fauna (1987), racoon dogs can be divided into three subspecies, namely named subspecies, northeast subspecies and southwest subspecies: ① named subspecies: from Jiangsu, Zhejiang, Anhui, Jiangxi, Hunan, Hubei, Fujian, Guangdong, Guangxi and other provinces and regions, with 50~53cm body length, short coat, brownish yellow undercoat and few black hair tips. The black vertical lines on the back are also not obvious. Northeast subspecies of ②: from Heilongjiang
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