Prevalence of Different Flatworms Infecting Ruminants In Menoufia Governorate.

Document Type : Original Article

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Department of Parasitology, Faculty of Veterinary Medicine, University of Sadat City, Menoufia 32511, Egypt.

Abstract

Flatworms in ruminants cause a great variety of clinical signs including diarrhea, unthriftness, weight loss, anemia, and may cause intestinal obstruction and deaths in heavy infections. Little studies was done on flatworm of ruminants in Menoufia governorate, so the present study was aimed to identify flatworms of ruminants, their prevalence, seasonal and monthly incidence in this governorate, it was carried out on 1200 animals (656 cattle, 271 buffaloes, 159 sheep and 114 goats) of different ages, breeds and sexes, the period of survey extended from April 2006 to March 2007 by examination of slaughtered animals. Results revealed that, trematodes recovered were Fasciola hepatica, Fasciola gigantica, Paramphistomum cervi, Cotylophoron cotylophorum and Carmyerius gregarius. The highest infection rate was among sheep (97.48 %), while the lowest was goats (26.31%). The recovered cestodes were Moniezia expansa, Moniezia benedeni, Avitellina centripunctata, and Moniezia denticulata. The highest infection rate was among sheep (62.89%), while the lowest was among buffaloes (3.69%). Regarding seasonal and monthly incidence of trematodes showed that, the highest infection rate recorded during winter and spring season (30.09%) and the peak of infection observed during December(66.66%), for cestodes infection, the highest infection rate of Moniezia expansa recorded during autumn, and winter season and the peak of infection observed during November and December.

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