本研究针对胃肠道线虫(Haemonchus contortus)感染对羔羊健康与生产力的影响，通过梯度剂量(8000/4000/1000 L3 幼虫)人工感染模型，系统评估了寄生虫负荷与羔羊生理指标(FEC、HCT、IL-6)、行为学及增重的剂量效应。发现高剂量组(4000-8000幼虫)显著诱发贫血(RBC↓、HB↓)、免疫激活(IL-6↑)和生长抑制，首次揭示 ...

Sheep farmers are being encouraged to watch out for Haemonchus contortus infections – commonly known as Barber’s Pole worm ...

WORK on resistance and immunity to parasitic infections over the past thirty years has tended to support the view that the immune response, which has been shown to be humoral in nature, is ...

Haemonchosis (the condition caused by the Haemonchus contortus worm) can be fatal in sheep following sufficient intake of worm larvae over a short timeframe. Death can follow weight loss, anaemia ...

The image shows the posterior end of a male Haemonchus contortus parasite. The dark-coloured sharp ‘spicules’ assist in copulation, and allow microscopic identification of the worm in the ...

“Haemonchus contortus is a stomach blood-sucking worm affecting sheep,” he explains. “Historically it affected sheep in warmer climates on the continent and the south of England. The combination of ...

Haemonchus Contortus, otherwise known as Barbers' pole worm, is a blood sucking internal parasite causing illness and death in sheep, alpaca and goats.