Its ok to feed but there are better alternatis, Flax/Linseed oil being the best (but a bit more expensive) and Soya Oil being second, it is to do with the Omega 3 and 6 concentrations. If you can read to the end this article is very interesting http://www.kerx.com/products/EO3/info.html, if not just have a look at the chart at the bottom.