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The effects of metabolisable protein supply and machine milking on the periparturient relaxation of immunity against Teladorsagia circumcincta in dairy ewes

Published online by Cambridge University Press:  20 November 2017

E.C. Partington ,
L.A. Sinclair ,
A.M. Mackenzie  and
J. Donaldson
E.C. Partington*
Affiliation:
Harper Adams University College, Newport, Shropshire, TF10 8NB, U.K.
L.A. Sinclair
Affiliation:
Harper Adams University College, Newport, Shropshire, TF10 8NB, U.K.
A.M. Mackenzie
Affiliation:
Harper Adams University College, Newport, Shropshire, TF10 8NB, U.K.
J. Donaldson
Affiliation:
Harper Adams University College, Newport, Shropshire, TF10 8NB, U.K.
*
E-mail: [email protected]
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Extract

Increased anthelmintic resistance worldwide has lead many to investigate alternative methods of parasite control (Donaldson et al. 1998). In sheep it is believed that the larval contamination of the pasture is derived mainly from the mature breeding ewe due to the periparturient relaxation of immunity (PPRI). Donaldson et al. (1998) reported that increasing the metabolisable protein (MP) supply of the ewe in late pregnancy may moderate the PPRI. Previous studies investigating the effect of MP supply to dairy ewes on faecal nematode egg output have, however, not shown significant differences (Partington et al. 2003). This study investigates the effects of both MP supply and the effect of milking on the PPRI and worm burden.

Type
Theatre Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2004 , 2004 , pp. 10
Copyright
Copyright © The British Society of Animal Science 2004

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References

Donaldson, J., van Houtert, M.F.J. and Sykes, A.R., 1998, The effect of nutrition on the periparturient parasite status of mature ewes. Animal Science 67: 523–533 CrossRefGoogle Scholar
Partington, E.C., Sinclair, L.A., Mackenzie, A.M. and Donaldson, J., 2003, The effects of metabolisable protein on the periparturient relaxation of immunity against Teladorsagia circumcincta in mature Friesland dairy ewes. Proceedings of the British Society of Animal Science. 31.CrossRefGoogle Scholar