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Annual energy intake and early post-partum performance of beef heifers differing in body size and milk potential

Published online by Cambridge University Press:  05 November 2021

S. Yildiz ,
K.D. Sinclair ,
F.E. Gebbie ,
P.J. Broadbent  and
J.S.M. Hutchinson
S. Yildiz
Affiliation:
Scottish Agricultural College, Craibstone Estate, Aberdeen, AB2 9YA, United Kingdom University of Aberdeen, 581 King Street, Aberdeen, AB9 1UD, United Kingdom
K.D. Sinclair
Affiliation:
Scottish Agricultural College, Craibstone Estate, Aberdeen, AB2 9YA, United Kingdom
F.E. Gebbie
Affiliation:
Scottish Agricultural College, Craibstone Estate, Aberdeen, AB2 9YA, United Kingdom
P.J. Broadbent
Affiliation:
Scottish Agricultural College, Craibstone Estate, Aberdeen, AB2 9YA, United Kingdom
J.S.M. Hutchinson
Affiliation:
University of Aberdeen, 581 King Street, Aberdeen, AB9 1UD, United Kingdom
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Extract

As part of a long term study to assess the suitability of beef cow genotypes, differing in body size and milk potential, for different forage environments within the UK, eight purebred Aberdeen Angus (AA; considered to be small and relatively non-milky) and eight purebred Simmental (Sm; considered to be large and relatively milky) heifers were placed on different levels of annual energy intake. Changes in body composition and milk yield were recorded and related to early post partum ovarian activity.

Type
Beef
Information
Proceedings of the British Society of Animal Science , Volume 1996 , March 1996 , pp. 134
Copyright
Copyright © The British Society of Animal Science 1996

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