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The effect of sodium fertilizer application to pasture on the ingestive behaviour of dairy cows

Published online by Cambridge University Press:  24 November 2017

C.J.C. Phillips ,
M. Bello  and
P.C. Chiy
C.J.C. Phillips
Affiliation:
School of Agricultural & Forest Sciences, University College of North Wales, Bangor, Gwynedd LL57 2UW
M. Bello
Affiliation:
School of Agricultural & Forest Sciences, University College of North Wales, Bangor, Gwynedd LL57 2UW
P.C. Chiy
Affiliation:
School of Agricultural & Forest Sciences, University College of North Wales, Bangor, Gwynedd LL57 2UW
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Extract

Previous research has suggested that ruminants will select a high Na diet possibly even when they are not Na deficient (Chiy and Phillips, 1991; Michell and Moss, 1988). Schneider et al (1986) also recorded an increased DM intake of dairy cows up to 5.5gNa/kg dietary DM. increases in ruminating time have also been recorded for high Na diets (Chiy and Phillips, 1991) but it is unclear whether this arises from increased herbage intake. This experiment aimed to further investigate the effects of Na content of feed on ingestive behaviour of dairy cows.

Type
Forage Utilisation
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1991 , March 1991 , pp. 99
Copyright
Copyright © The British Society of Animal Production 1991

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References

1) Chiy, P.C. and Phillips, C.J.C. 1991. The effects of sodium fertilizer application to perennial ryegrass pasture and direct sodium supplementation on dairy cows production and grazing preference. BSAP Winter Meeting 1991 Summary No. 52.Google Scholar
2) Michell, A R and Moss, P. 1988. Salt appetites during pregnancy in sheep. Physiology and Behaviour, 42, 491–493.CrossRefGoogle ScholarPubMed