Vol 21: Ruminant self-medication against gastrointestinal nematodes: evidence, mechanism, and origins☆.Report as inadecuate



 Vol 21: Ruminant self-medication against gastrointestinal nematodes: evidence, mechanism, and origins☆.


Vol 21: Ruminant self-medication against gastrointestinal nematodes: evidence, mechanism, and origins☆. - Download this document for free, or read online. Document in PDF available to download.

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This article is from Parasite, volume 21.AbstractGastrointestinal helminths challenge ruminants in ways that reduce their fitness. In turn, ruminants have evolved physiological and behavioral adaptations that counteract this challenge. Ruminants display anorexia and avoidance behaviors, which tend to reduce the incidence of parasitism. In addition, ruminants appear to learn to self-medicate against gastrointestinal parasites by increasing consumption of plant secondary compounds with antiparasitic actions. This selective feeding improves health and fitness. Here, we review the evidence for self-medication in ruminants, propose a hypothesis to explain self-medicative behaviors based on post-ingestive consequences, and discuss mechanisms e.g., enhanced neophilia, social transmission that may underlie the ontogeny and spread of self-medicative behaviors in social groups. A better understanding of the mechanisms that underlie and trigger self-medication in parasitized animals will help scientists devise innovative and more sustainable management strategies for improving ruminant health and well-being.



Author: Villalba, Juan J.; Miller, James; Ungar, Eugene D.; Landau, Serge Y.; Glendinning, John

Source: https://archive.org/







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