Dietary protein influences on regulation of Haemonchus contortus populations in Dorsimal lambs

Israf Ali, Daud Ahmad and M, Zainal and Ben Ghesir, Mohamed Ali and Abdullah, Rasedee and Abdullah Sani, Rehana and Mohamed Mustapha, Noordin (1998) Dietary protein influences on regulation of Haemonchus contortus populations in Dorsimal lambs. Journal of Helminthology, 72 (2). pp. 143-146. ISSN 0022-149X

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Official URL: http://dx.doi.org/10.1017/S0022149X00016321

Abstract

The influence of dietary protein supplementation upon resistance to haemonchosis was examined in Dorsimal (Polled Dorset x Malin) lambs offered two levels of protein. Lambs were offered either a complete basal ruminant diet (15% crude protein (CP)) or the same diet supplemented with fish meal as a source of rumen bypass protein (19% CP). Lambs from each dietary treatment group were given either a 7-week trickle infection with Haemonchus contortus infective larvae (L3) or remained uninfected. All lambs were drenched with anthelmintic at week 8 post-infection (PI), challenged with a single dose of 5000 H. contortus L3 one week later, and killed 14 days post-challenge (PC). Lambs on the supplemented diet that were trickle infected showed a significant reduction in egg output. Supplementation and previous infection did not affect either growth rate, worm burden, worm development or haematological parameters. There was a trend for enhanced growth among supplemented non-infected lambs in comparison to lambs which received the basal ration

Item Type:Article
Faculty or Institute:Faculty of Veterinary Medicine
ID Code:6476
Deposited By: Azizan Arshad
Deposited On:17 May 2010 04:40
Last Modified:26 Jul 2010 09:58

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