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Abstract The feeding amount of bamboo rats in Southern China is increased year by year. Under condition of captive breeding, the occurrence of diseases has also become more and more frequent in bamboo rats. In this paper, the results of morphological and biochemical studies showed that the cultural and biochemical characteristics of isolated strains are basically the same, and they all have strong pathogenicities to bamboo rats. The disease was diagnosed to be caused by the mixed infection of Escherichia coli and Arthrinium saccharicoia, and it was controlled by corresponding measures.
Key words Bamboo rat; Mixed infection; Diagnosis; Prevention
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Bamboo rats belong to Mammalia, Rodentla, Rhizomyidae and Rhizomys. Due to their liking eating bamboo, they are called as bamboo rats. The body length of bamboo rats is generally about 30-40 cm, and of some individual species can be up to 45 cm. Bamboo rats favor eating underground stems of bamboo, bamboo shoots and other plants. They have one baby each year. Bamboo rats have high-quality long and dense fur. Their meat is tender, and can be eaten. Their fat is called as bamboo rat oil, can be used for external application.
Currently, the breeding amount of bamboo rats is increased year by year, and the demand is also increased year by year. In Shenzhen, Zhuhai, Hong Kong, Guangzhou, Haikou, Shanghai and other coastal cities, the sales of bamboo rat products is always good, and the price always shows strong momentum. The roasted bamboo rats have higher profits. According to incomplete statistics, Sichuan, Yunnan, Guizhou, Hunan, Jiangxi, Guangxi, Guangdong, Hainan, Hong Kong, Fujian and Shanghai consume more than 100 000 bamboo rats. However, the current production capacity of bamboo rats cannot meet the market demand114]. In recent two years, the breeding of bamboo rats has begun to heat up gradually, which requires a large number of young bamboo rats. However, due to the effects of climate, feed and other factors, the disease caused by mixed infection of Escherichia coli and Arthrinium saccharicoia occurs frequently in bamboo rats. In particular, in some farms with relatively backward management and prevention technology, the incidence and mortality of the disease are higher, and the disease is even endemic. On February 29, 2015,...