Effects of protected sources of omega-3 supplement fish oil and flaxseed oil on ruminants performance

Document Type : Review Article

Authors

1 M.Sc. Student of Animal Nutrition, Department of Animal Science, College of Agriculture and Natural Resources at the University of Tehran, Karaj, Iran

2 Associate Professor of Animal Nutrition, Department of Animal Science, College of Agriculture and Natural Resources at the University of Tehran, Karaj, Iran

Abstract

This study provides an overview of benefits of long chain fatty acids omega-3 to increasing ruminant׳s performance and recent advances in the use of rich sources of alpha-linolenic acid in oilseeds and fish oil in ruminant diets. Currently, most attention is paid to the use of creative nutritional strategies to improve the amount of unsaturated fatty acids with several double bonds in ruminant products, which in turn increase the content of these fatty acids for human health. The richest sources of omega-3 fatty acids are seafood and oilseeds such as flaxseed and canola. Numerous studies have shown that the consumption of these fatty acids in the diet can increase these fatty acids in ruminant products. However, other studies have shown that supplements high in these fatty acids do not cause a significant increase in ruminant products, possibly due to extensive biohydrogenation in the rumen. It has been suggested that supplementing ruminant diets with sources rich in omega-3 fatty acids by 6% can improve the profile of these fatty acids in ruminant products, and they are unlikely that have adverse effects on feed intake, Carcass qualities, and growth.

Keywords


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