Morada Nova sheep breed: Resistant or resilient to Haemonchus contortus infection?

João Henrique Barbosa Toscano,Isabella Barbosa Dos Santos,Marei Borsch von Haehling, Luciana Aparecida Giraldelo, Louyse Gabrielli Lopes, Matheus Henrique da Silva,Amanda Figueiredo,Sérgio Novita Esteves,Ana Carolina de Souza Chagas

Veterinary Parasitology: X（2019）

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摘要

•Resistance against Haemonchus contortus was assessed in a Morada Nova flock.•More than 88% of the lambs had PCV≥24% even with high fecal egg counts (FEC).•Only susceptible lambs had decreased live weight due to parasitism.•More than 98% of the ewes had FEC below 4000 EPG.•PCV of the ewes was not affected by H. contortus infection.

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关键词

Artificial infection,Host resistance,Morada Nova breed,Resilience,Sheep haemonchosis

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