Indian Journal of Animal Research

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Research Article

Indian Journal of Animal Research, volume 51 issue 4 (august 2017) : 687-693

Effect of long term supplementation with dietary lipids on growth and fatty acid composition of rabbit’s brain

Doha Mustafa Al Nouri, Shaista Arzoo
1<p>Department of Food and Nutrition Sciences,&nbsp;King Saud University, Riyadh-11495, Kingdom of Saudi Arabia.</p>
Cite article:- Nouri Al Mustafa Doha, Arzoo Shaista (2017). Effect of long term supplementation with dietary lipids ongrowth and fatty acid composition of rabbit&rsquo;s brain . Indian Journal of Animal Research. 51(4): 687-693. doi: 10.18805/ijar.v0iOF.7262.

ABSTRACT

The purpose of this study was to investigate the effect of long-term supplementation with dietary lipids on growth and fatty acid composition of rabbit’s brain. Soybean oil, fish oil, sesame oil, docosahexaenoic acid and arachidonic acid were fed to weanling rabbits for 100 days. The rabbits were decapitated and brain sample was removed, homogenized and fatty acid concentration was measured by gas chromatography. Dietary lipids had a distinct effect on growth rate only in males. Rabbits fed the fish oil diet showed the highest total w-3 fatty acids and lowest w-6/w-3 ratios. Rabbits fed the DHA diet had highest total saturated fatty acids and lowest values of total MUFA, total PUFA, total w-6, and total w-3 in females. This study shows that w-6/w-3 ratios have tremendous effect on the fatty acid composition of rabbit’s brain. Effect of treatment was not significant among different gender except for total saturated, ARA, C20:1 and C16:0. FO, DHA and DHA+ARA groups showed the w-6/w-3 ratios within the recommended range. This study shows that fatty acid composition of brain can be modulated by dietary lipids and long-term supplementation of dietary lipids especially fish oil (FO) has very good effect on the fatty acid composition of  rabbit’s brain. 

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