Consequences of long-term feeding with condensed tannins on sheep parasitised with Trichostrongylus colubriformis

International Journal for Parasitology
S AthanasiadouR L Coop

Abstract

Naive wethers were used to investigate the long-term effects of dietary condensed tannins from Quebracho extract, during an intestinal parasitic infection in sheep. Sheep were allocated to eight groups; seven groups were daily infected with 3000 L(3) Trichostrongylus colubriformis for 10 weeks and the eighth group was the uninfected control. The 10-week experiment was divided into two periods; Period 1 (P(1), week 1-5) corresponded to high worm establishment and acquisition of immunity, whereas Period 2 (P(2), week 6-10) to the established worm population and expression of host immunity. Three experimental foods with similar composition were formulated: Q0, Q3 and Q6. Their difference was in the content of Quebracho extract which was 0, 30 and 60 g per kg fresh matter, respectively. All foods were offered at an allowance of 3.5% of sheep liveweight. During P(1), parasitised sheep were offered one of the three experimental foods and during P(2) they either remained on the same food or changed food according to the design (P(1)-P(2)): Q0-Q0, Q0-Q3, Q0-Q6, Q3-Q0, Q3-Q3, Q6-Q0, Q6-Q6. Control sheep were offered the allowance of Q0 throughout. Sheep that consumed Q3 and Q6 reduced their faecal egg counts (FEC) compared to sheep offe...Continue Reading

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Citations

May 2, 2012·Tropical Animal Health and Production·Etana DebelaRagnar Salte
Oct 1, 2007·Animal : an International Journal of Animal Bioscience·S AthanasiadouI Kyriazakis
Apr 16, 2005·The Proceedings of the Nutrition Society·Spiridoula Athanasiadou, Ilias Kyriazakis
Jul 15, 2016·Journal of Parasitic Diseases : Official Organ of the Indian Society for Parasitology·Sabir Hossen Molla, Probir Kumar Bandyopadhyay
Sep 26, 2003·The Proceedings of the Nutrition Society·Garry C Waghorn, Warren C McNabb
Dec 14, 2011·Veterinary Parasitology·Jos G M HoudijkSpiridoula Athanasiadou
Jul 8, 2010·Veterinary Parasitology·C Martínez-Ortíz-de-MontellanoJ F J Torres-Acosta
Jun 6, 2006·Veterinary Parasitology·Frank Jackson, Jim Miller
Sep 15, 2004·Trends in Parasitology·Peter J Waller, Stig M Thamsborg
May 5, 2017·The Onderstepoort Journal of Veterinary Research·Erika A Van ZylCathy Stevens
Oct 18, 2018·Parasitology Research·G S Castañeda-RamírezC Mathieu
May 24, 2003·The Veterinary Record·V PaoliniH Hoste
Apr 25, 2006·Trends in Parasitology·Hervé HosteSimone O Hoskin
Jul 11, 2008·Bioresource Technology·Raúl Marín-MartinezRamón G Guevara-Gonzalez

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