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A note on the use of rapeseed, sunflower and soyabean meals as protein sources in compound foods for milking cattle

Published online by Cambridge University Press:  02 September 2010

Isobel C. Vincent ,
R. Hill  and
R. C. Campling
Isobel C. Vincent
Affiliation:
Royal Veterinary College, University of London, Boltons Park, Potters Bar EN6 1NB
R. Hill
Affiliation:
Royal Veterinary College, University of London, Boltons Park, Potters Bar EN6 1NB
R. C. Campling
Affiliation:
Wye College, University of London, Ashford TN25 5AH
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Abstract

Rapeseed, sunflower and soya-bean meals were compared as the main sources of protein in concentrate supplements given to dairy cattle. The supplements contained (per kg) 620 g rapeseed meal, 760 g sunflower meal or 500 g soya-bean meal and all three were formulated to contain 300 g protein per kg. Each animal was given daily TO kg dairy compound, 3·5 kg supplement, 3·5 kg sugar-beet pulp pellets and offered maize silage ad libitum. A randomized-block design with 39 cattle was used and treatments were applied for 16 weeks. All three supplements were eaten rapidly and there were no refusals. Daily mean milk yields were rapeseed 26·7, sunflower 25·3 and soya bean 25·1 (s.e.d. 1·44) kg; milk fat and protein concentrations were not affected by the treatments. There were no significant treatment differences in live weight and condition score. It was concluded that these high protein supplements based on rapeseed meal, sunflower meal and soya-bean meal were of equal feeding value for milk production.

Keywords

Cowsrapeseed oilmealsoya-bean oilmealsunflower oilmeal
Type
Research Article
Information
Animal Production , Volume 50 , Issue 3 , June 1990 , pp. 541 - 543
Copyright
Copyright © British Society of Animal Science 1990

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References

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