Gastrointestinal nematode infection does not affect selection of tropical foliage by goats in a cafeteria trial

Tropical Animal Health and Production
J Ventura-CorderoJ F J Torres-Acosta

Abstract

It is important to determine whether gastrointestinal nematodes (GINs) affect foliage choice of goats leading to confirm the expression of a self-medication behavior. This study investigated the effect of GIN infection on tropical foliage selection by goats. During experimental stage 1 (10 days), goats had a natural mixed GIN infection, and at stage 2 (10 days), goats were treated with effective anthelmintics to maintain them free of GIN infection. During stage 1 the twelve adult goats (32 ± 2.3 kg live weight [LW]) were assigned to three groups (n = 4) according to their initial GIN infection status: HI group, with fecal egg count (FEC) between 1450 and 2150 eggs per g/feces (EPG); MI group, medium FEC (592-1167 EPG); and the NI group, free from GIN infection. Fresh foliage of four tropical plants were offered to goats ad libitum for 1 h daily: Gymnopodium floribundum (high condensed tannin [CT] content, 37-40 %), Mimosa bahamensis (medium CT content, 16-17 %), Leucaena leucocephala (low CT content, 3-5 %), and Viguiera dentata (negligible CT content, 0.6-0.9 %). Jacobs' selection indexes (JSIs) were estimated for the experimental foliage based on dry matter (DM), CT, or crude protein (CP) intake. During both study stages, ind...Continue Reading

References

Jul 7, 2009·Behavioural Processes·Larry D LisonbeeJeffery O Hall
Mar 2, 2010·Journal of Animal Science·J J VillalbaL D Lisonbee
Jul 8, 2010·Veterinary Parasitology·C Martínez-Ortíz-de-MontellanoJ F J Torres-Acosta
Sep 1, 2009·Integrative and Comparative Biology·Jennifer S ForbeyDeniz Tasdemir
Jun 28, 2014·Parasite : Journal De La Société Française De Parasitologie·Juan J VillalbaJohn Glendinning

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Citations

Oct 27, 2017·Animal : an International Journal of Animal Bioscience·J Ventura-CorderoJ F J Torres-Acosta
Oct 18, 2018·Parasitology Research·G S Castañeda-RamírezC Mathieu
May 21, 2019·Parasitology·Francianne Oliveira SantosMariana Borges Botura
Oct 8, 2020·Animals : an Open Access Journal From MDPI·Rafael Arturo Torres-FajardoJuan Felipe de Jesús Torres-Acosta

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