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Prevalence of Paramphistomes in Mashonaland West, Central, and East, and Midlands Provinces, Zimbabwe

辛巴威Mashonaland 西部、中部與東部地區和中部省分Paramphistome 的分佈

摘要


本文自辛巴威Mashonaland 的西部、中部與東部地區和中部省分的牛隻身上收集寄生蟲:Paramphistome。在宰殺牛隻之後,將牛隻的瘤胃及蜂巢胃剖開,檢視是否有Paramphistome的寄生。種類的判斷依據為型態結構和平面及矢面之切面測量。分析腹吸盤、咽及生殖口前腔,發現這些地區有以下幾種寄生蟲:Paramphistomum microbothrium, P. clavula, Calicophoron calicophorum, C. raja, 和 Gigantocotyle symmeri.。年平均的牛隻的感染約為29.39%,最高大約為69%。除了少數幾個例子是乳頭受傷,以及黏膜有明顯的流膿外,在大多數的例子中,寄生壓力及組織傷害並不嚴重。

關鍵字

分佈 辛巴威

並列摘要


Paramphistomes were collected from cattle from various localities in Mashonaland West, Central, and East and Midlands Provinces. After slaughter, their rumens and reticulum were cut open and examined for paramphistomes. Identifications were based on the morphological structures and measurements of diagnostic features from flattened and median sagittal sections. Analysis of the structures of the acetabulum, pharynx, and genital atrium revealed the following parasites in the area, Paramphistomum microbothrium, P. clavula, Calicophoron calicophorum, C. raja, and Gigantocotyle symmeri. The average number of cattle found infected annually was 29.39% with an upper limit of the range of around 69%. Parasite loads and damage to tissues were not serious in most cases, except in a few severe cases where the papillae were damaged and a catarrhal pus-like exudate was noticed on the mucosa.

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