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Genetic differences in milk production in relation to mature body weight†

Published online by Cambridge University Press:  02 September 2010

C. S. Taylor
C. S. Taylor
Affiliation:
ARC Animal Breeding Research Organisation, Edinburgh, EH9 3JQ
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Extract

A survey of the accumulated experimental evidence suggests that the general effect of genetic differences in body size on input-output relationships in livestock might be largely accounted for by the following two genetic sizescaling rules:

1. treat all age and time variables for the ith genotype as directly proportional to Mi0·27, where Mi is the mature body weight of the ith genotype;

2. at every age standardized as in (1), treat all cumulated inputs and outputs for the zth genotype as directly proportional to Mi.

Type
55th Meeting, Harper Adams, 18 to 22 September 1972 Symposium: Size of Animal in Relation to Productivity with Special Reference to the Ruminant
Information
Proceedings of the British Society of Animal Production (1972) , Volume 2 , January 1973 , pp. 15 - 25
Copyright
Copyright © British Society of Animal Production 1973

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Footnotes

†

This paper covers only part of the material reviewed by Dr Taylor at the Symposium; the other sections will be published elsewhere.

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