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Effect of extended photoperiod on appetite, growth and reproductive endocrinology in red deer stag calves

Published online by Cambridge University Press:  20 November 2017

M H Davies ,
T J Parkinson ,
J A Douthwaite  and
D W Deakin
M H Davies
Affiliation:
ADAS Rosemaund, Preston Wynne, Hereford. HR1 3PG
T J Parkinson
Affiliation:
Department of Clinical Veterinary Science, University of Bristol, Langford, Bristol. BS18 7DU
J A Douthwaite
Affiliation:
Department of Clinical Veterinary Science, University of Bristol, Langford, Bristol. BS18 7DU
D W Deakin
Affiliation:
ADAS Rosemaund, Preston Wynne, Hereford. HR1 3PG
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Extract

Deer experience a period of reduced appetite and growth in winter which has a major impact on venison supply. Photoperiod manipulation has been shown to modify this. The objective of this experiment was to investigate the effect of extended photoperiod and the modifying effect of dietary energy supply in red deer stag calves

Forty red deer stag calves born in May/June 1992 were weaned in mid-September and put indoors on a grass silage-based ration. On 30 September the stag calves were weighed and randomised to four treatments groups on the basis of liveweight.

Type
Deer, Camels & Camp Anion Animals
Information
Proceedings of the British Society of Animal Science , Volume 1995 , March 1995 , pp. 106
Copyright
Copyright © The British Society of Animal Science 1995

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