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池塘养殖异育银鲫寄生黏孢子虫的种群动态
THE POPULATION DYNAMICS OF MYXOSPOREAN PARASITES IN POND-REARED ALLOGYNOGENETIC GIBEL CARP, CARASSIUS GIBELIO

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叶灵通 1   李文祥 2   邹红 2   吴山功 2   王江勇 1   王桂堂 2 *  
文摘 研究对湖北洪湖地区一养殖池塘的异育银鲫开展了黏孢子虫的流行病学调查, 以利于黏孢子虫病的综合防治。发现异育银鲫中寄生了4种黏孢子虫, 分别为多涅茨尾孢虫(Henneguya doneci Schulman 1962)、住心碘泡虫(Myxobolus hearti Chen, 1998)、瓶囊碘泡虫(Myxobolus ampullicapsulatus Zhao 2008)和尾孢虫未定种(Henneguya sp.)。鳃寄生的多涅茨尾孢虫在不同月份中感染率有显著差异(P<0.05), 在4-6月未见包囊, 7-9月感染率突增, 明显高于其他月份; 多涅茨尾孢虫包囊的平均丰度与其感染率的变化趋势相同, 不同月份间, 多涅茨尾孢虫平均丰度在统计学上差异显著(P<0.05); 多涅茨尾孢虫平均包囊直径从7月至12月逐渐增大, 随后月份逐渐减小, 不同月份间, 多涅茨尾孢虫平均包囊直径在统计学上差异显著(P<0.05); 在不同的鳃片之间, 多涅茨尾孢虫平均感染强度差异不显著(P>0.05), 但第四片鳃的平均感染强度明显要高于其他鳃片。鳃寄生的瓶囊碘泡虫只在3-6月发现感染, 感染率6月最高; 心脏寄生的住心碘泡虫全年都发现感染, 在不同月份中感染率差异不显著(P>0.05); 膀胱寄生的尾孢虫未定种除了8月, 其他月份均有感染, 1-4月的感染率显著高于其他月份(P<0.05)。
其他语种文摘 Myxosporean species are one of the major parasite pathogens that hinder the allogynogenetic gibel carp aquaculture. The epidemiologic survey of the myxosporean species in allogynogenetic gibel carp should help with the control of myxosporidiosis. We found 4 types of myxosporean species -- Henneguya doneci, Myxobolus hearti, M. ampullicapsulatus, and H. sp. -- during the investigation of the myxosporean-infected pond-reared allogynogenetic gibel carp in Honghu city of Hubei province. The infection rate of gill-infecting H. doneci varied significantly in different months (P<0.05). The plasmodia of H. doneci were absent from April to June. But its infection rate increased dramatically from July and reached to the peak in September, and then gradually decreased from October to March of the following year. The mean abundance of the plasmodia of H. doneci showed a similar trend and also varied remarkably in different months (P<0.05). The mean diameter of the plasmodia of H. doneci gradually increased from July to December, and then decreased in January of the following year. The differences in the mean diameter between months were statistically significant (P<0.05). Moreover, the mean infection intensity of the H. doneci plasmodia on the fourth gill bar was apparently higher than that on the other gill bars. The plasmodia of gill-infecting species, M. ampullicapsulatus, were present only from March to June, and its infection rate gradually increased to its peak value in June. The plasmodia of heart-infecting species, M. hearti, were present in the entire year, but its infection rate was not significantly different between months (P>0.05). Henneguya sp. was found to infect the urinary bladder of fish in the whole year except for August, and its infection rate was relatively higher from January to April.
来源 水生生物学报 ,2014,38(6):1092-1097 【核心库】
关键词 黏孢子虫 ; 异育银鲫 ; 种群动态 ; 感染率 ; 感染强度 ; 平均丰度
地址

1. 中国水产科学研究院南海水产研究所, 广东省渔业生态重点实验室;;农业部南海渔业资源开发利用重点实验室, 广州, 510300  

2. 中国科学院水生生物研究所, 武汉, 430072

语种 中文
文献类型 研究性论文
ISSN 1000-3207
学科 水产、渔业
基金 国家现代农业产业技术体系建设专项资金项目 ;  中央级公益性科研业务费专项资金(中国水产科学研究院南海水产研究所)项目 ;  国家自然科学基金
文献收藏号 CSCD:5285082

参考文献 共 29 共2页

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