Effects of feeding graded levels of camelina expeller meal up to 10% of dietary dry matter on production and milk fatty acid profiles in dairy cows

Author:

Mutsvangwa Timothy1ORCID,Abeysekara Saman1,Thompson Sean2

Affiliation:

1. Department of Animal and Poultry Science, University of Saskatchewan, Saskatoon, SK S7N 5A8, Canada

2. Department of Animal and Poultry Science, Feeds Innovation Institute, University of Saskatchewan, Saskatoon, SK S7N 5A8, Canada

Abstract

Eight Holstein cows were used in a replicated 4 × 4 Latin square design study to determine the effects of partially replacing canola meal (CM) with 5%, 7.5%, and 10% camelina expeller meal (CEM) on production and milk fatty acid profiles. Replacing CM with CEM did not affect feed intake and milk yield, but milk contents of fat and protein decreased linearly. Feeding increasing amounts of CEM linearly increased milk contents of C18:2n6, C18:3n3, cis-9, trans-11 CLA, trans-10, cis-12 CLA, and total CLA. CEM can be fed up to 10% of dietary DM without negatively affecting production and can increase milk contents of omega-3 fatty acids.

Publisher

Canadian Science Publishing

Subject

Animal Science and Zoology,Food Animals

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