Research Article Open Access

Effect of Fat-Mineral Preparation From Fish Oil on Fatty Acid Content on Cow Milk

Witold Janeczek1, Marek Szoltysik1, Robert Kupczynski1, Józefa Chrzanowska1, Stefania Kinal1, Mariusz Korczynski1 and Anna Bartkowiak1
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American Journal of Agricultural and Biological Sciences
Volume 2 No. 4, 2007, 276-283

DOI: https://doi.org/10.3844/ajabssp.2007.276.283

Submitted On: 19 May 2007 Published On: 31 December 2007

How to Cite: Janeczek, W., Szoltysik, M., Kupczynski, R., Chrzanowska, J., Kinal, S., Korczynski, M. & Bartkowiak, A. (2007). Effect of Fat-Mineral Preparation From Fish Oil on Fatty Acid Content on Cow Milk. American Journal of Agricultural and Biological Sciences, 2(4), 276-283. https://doi.org/10.3844/ajabssp.2007.276.283

Abstract

8-week-lasting investigation aimed at the assessment of the effect of fish oil application in the form of fat-mineral preparation (F-M) on fatty acid content in milk fat. The subject of this investigation were highly efficient dairy cows (primiparous and multiparous). The cows were administered F-M containing fish oil (1% in dry mass of ration) which resulted in decreased level of shortchain fatty acids in milk fat and increased level of longchain fatty acids. There was recorded significant increase in isomer cis-9,trans-11 CLA content, as well as the one of polyunsaturated fatty acids of n-3 - EPA and DHA group. The number of n-3 group acid did considerably increase. The fatty acids n-6/n-3 ratio showed significant decrease in both experimental groups.

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Keywords

  • dairy cows
  • fat-mineral preparation
  • fish oil
  • fatty acids