| 摘要 |
PURPOSE:To reduce mortality of piglet and to enable piglets to gain weight well in using the titled formula feed as milk substituted for piglets, by blending a formula feed with fats and oils containing a specific highly unsaturated fatty acid. CONSTITUTION:The formula feed for piglets comprises fats and oils containing a highly unsaturated fatty acid having three or more double bonds. Fatty acid composition of the fats and oils preferably contains at least 1-20wt.% linolenic acid and 2-20wt.% highly unsaturated fatty acid. The highly unsaturated fatty acid preferably contains eicosapentaenoic acid and/or docosahexaenoic acid. The amount of fats and oils blended in the feed is preferably 5-40wt.% based on total solid content. |
