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Carcass fat quality and performance of lambs given diets containing protected fat

Published online by Cambridge University Press:  22 November 2017

D.A.R. Davies ,
C.B. Gallo ,
B.W. Butler-Hogg  and
P. Buxton
D.A.R. Davies
Affiliation:
University of Liverpool, Department of Animal Husbandry, Leahurst, Neston, South Wirral, L64 7TE
C.B. Gallo
Affiliation:
University of Liverpool, Department of Animal Husbandry, Leahurst, Neston, South Wirral, L64 7TE
B.W. Butler-Hogg
Affiliation:
Institute of Food Research, Bristol Laboratory, Langford, Bristol, BS18 7DY
P. Buxton
Affiliation:
Institute of Food Research, Bristol Laboratory, Langford, Bristol, BS18 7DY
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Extract

Protected fat has been used successfully in diets for lactating and growing ruminants. This study was carried out to investigate the effects of including a source of protected fat - Megalac ® -in complete diets for artificially reared lambs.

The trial involved 39 lambs which were weaned at 30 to 35 days following a period of artificial rearing on a ewe milk replacer containing 60 g fat per kg and fed at a restricted level.

The lambs were penned individually on sawdust and were given access to one of three complete diets from 20 days of age. The diets were in pellet form and differed mainly in the level of Megalac included (Table 1). Megalac is a protected fat which is a calcium soap and contains (g/kg) oil 850, calcium 90 and has the approximate fatty acid composition (g/kg) C14 15, C16 110, C18 50, C18:1 400, C18:2 95. Lambs were allocated to diets within blocks which varied according to sex (entire male or female) and breed (Cambridge or Suffolk x Cambridge).

Type
Manipulation of Composition and Quality of Animal Products
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1988 , March 1988 , pp. 61
Copyright
Copyright © The British Society of Animal Production 1988

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