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

Published online by Cambridge University Press:  05 June 2009

D.A. Israf ,
M.J. Zainal ,
M.A. Ben-Gheshir ,
A. Rasedee ,
R.A. Sani  and
M.M. Noordin
D.A. Israf*
Affiliation:
Faculty of Veterinary Medicine and Animal Science, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
M.J. Zainal
Affiliation:
Faculty of Veterinary Medicine and Animal Science, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
M.A. Ben-Gheshir
Affiliation:
Faculty of Veterinary Medicine and Animal Science, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
A. Rasedee
Affiliation:
Faculty of Veterinary Medicine and Animal Science, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
R.A. Sani
Affiliation:
Faculty of Veterinary Medicine and Animal Science, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
M.M. Noordin
Affiliation:
Faculty of Veterinary Medicine and Animal Science, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
*
*Fax: 603 9430626 E-mail: [email protected]
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Abstract

The influence of dietary protein supplementation upon resistance to haemonchosis was examined in Dorsimal (Polled Dorset × 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.

Type
Research Papers
Information
Journal of Helminthology , Volume 72 , Issue 2 , June 1998 , pp. 143 - 146
Copyright
Copyright © Cambridge University Press 1998

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