Prevalence of Gastrointestinal Parasites in Yellow Cattle between Taiwan and its Offshore Islands

บทคดยอ ตวอยางอจจาระของโคเหลองจำนวน 310 ตวอยาง จากประเทศไตหวนและชายฝงหมเกาะ Penghu และ Kinmen เพอตรวจหาปรสตในทางเดนอาหาร โดยใชเทคนคการตรวจในอจจาระ พบความชกโดยรวมเปนรอยละ 73.2 โดยมอตราการตดเชอโปรโตซว พยาธตวกลม พยาธใบไม และพยาธตวตด คดเปนรอยละ 57.7 37.7 17.1 และ 0.6 ตามลำดบ พบ Cryptosporidium spp (รอยละ 41.6) มากทสด ตามดวยพยาธ Strongyles (รอยละ 36.1) และ Eimeria spp. (รอยละ 11.9) มความแตกตางอยางมนยสำคญในความชกของโปรโตซวและพยาธตวกลมระหวางกลมพนท แสดงใหเหนวาการตดเชอปรสตในทางเดนอาหาร โดยเฉพาะโปรโตซวพบไดมากในโคเหลองใน ไตหวนและนอกชายฝงเกาะ ดงนนควรใชระบบการจดการทด และถายพยาธเปนประจำเพอควบคมการตดเชอปรสตในฟารมโคเหลอง คำสำคญ : ปรสตในทางเดนอาหาร, ความชก, ไตหวน, โคเหลอง Abstract A total of 310 fecal samples of yellow cattle were collected in Taiwan and its offshore islands Penghu andKinmen for gastrointestinal parasite examination using coprological techniques. The overall prevalence was 73.2%.The infection rates of protozoa, nematodes, trematodes, and cestodes were 57.7%, 37.7%, 17.1%, and 0.6%,respectively. Among all parasites, Cryptosporidium spp. (41.6%) were the most predominant, followed by strongyles(36.1%) and Eimeria spp. (11.9%). There were significant differences in the prevalence of protozoa and nematodesbetween different distributional area groups. The present study demonstrates that gastrointestinal parasiticinfections, particularly protozoan infections, occur frequently in yellow cattle in Taiwan and its offshore islands. Theresults indicate that superior management systems and regular anthelmintic treatments should be performed for thecontrol of parasitic infections on yellow-cattle farms. Keywords : gastrointestinal parasites, prevalence, Taiwan, yellow cattle

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