福建某獭兔场兔艾美耳球虫感染情况调查及种类鉴定

doi:10.16431/j.cnki.1671-7236.2015.08.040

Abstract

Abstract: In order to investigate coccidium infection of a Rex rabbit farm in Fujian province, 494 fecal samples were collected from different ages of Rex rabbits and examined by McMaster's method and the method of saturated saline flotation.The results showed that the total prevalence was 87.45% and the mean oocysts per gram (OPG) value was 2.56×10⁴.The prevalences of coccidia among each rabbit age were different, and it was highest at the age of about 40 d (98.61%) and about 65 d (98.95%) rabbits.The prevalence and OPG values at the age under 30 d (19.23% and 331) were significantly lower, and the distribution pattern of OPG values was negative binomial distribution in rabbits by using fitting of distributions.In total, 11 species of Eimeria were identified from oocyst-positive samples.The infection of Eimeria was mixed infection with more than two Eimeria species, and mostly of which were infected by 3 to 7 Eimeria species.The dominant species of Eimeria were E.perforans, E.media, E.exigua and E.magna, and their prevalences were 20.15%, 16.79%, 13.94% and 13.48%, respectively.

Key words: Rex rabbit; Eimeria; OPG value; prevalence

CLC Number:

S858.291

CHEN Mei-zhen, ZHANG Jia, WANG Shou-kun, LIN Xuan, CHEN Ren-feng, HU Ling-ying, CHEN Lin-liu, XIE Zhao-wen, WEN Fu-li. Epidemiological Investigation and Species Identification of Eimeria of a Rex Rabbit Farm in Fujian Province[J]. , 2015, 42(8): 2204-2209.

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Epidemiological Investigation and Species Identification of Eimeria of a Rex Rabbit Farm in Fujian Province

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