Effect of .ALPHA.-tocopherol deficiency on carp. V. The compositions of triglycerides and cholesteryl esters in lipids of young carp.

Watanabe, Taleshi; Matsui, Masami; Kawabata, Toshiharu; Ogino, Chinkichi

doi:10.2331/suisan.43.813

Cited by 3 publications

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“…Ethoxyquin, although has no biological activity of vitamin E, can partially spare vitamin E in the diet for growth and other physiological functions (Lovell et al 1984). Whole-body proximate composition of channel catfish was unaffected by dietary levels of vitamin E. Similar results were obtained by Watanabe et al (1977) and Huang and Huang (2004) for common carp (Cyprinus carpio) and hybrid tilapia, respectively. Increasing supplemental fish oil levels from 6 to 10 or 14% significantly increased whole-body lipid and decreased moisture, as has been reported for several fish species fed increasing dietary lipid levels (Viola et al 1988;De Silva et al 1991;Stowell and Gatlin 1992;Chou and Shiau 1996;Perres and OlivaTeles 1999;Yildirim-Aksoy et al 2007).…”

Section: Discussionsupporting

confidence: 76%

“…Earlier studies have indicated that vitamin E requirements of fish are affected by dietary levels of lipid (Watanabe et al 1977;Lovell et al 1984;Satoh et al 1989;Roem et al 1990;Shiau and Shiau 2001). The requirement of Nile tilapia (Oreochromis niloticus) for vitamin E was 50-100 mg/kg for a diet containing 5% lipid but increased to 500 mg/kg for diets containing 10-15% lipid (Satoh et al 1989).…”

Section: Discussionmentioning

confidence: 98%

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Growth performance, vitamin E status, and proximate and fatty acid composition of channel catfish, Ictalurus punctatus, fed diets containing various levels of fish oil and vitamin E

Lim

Yildirim‐Aksoy

Shelby

et al. 2009

Fish Physiol Biochem

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A study was conducted to determine the effect of increasing dietary levels of fish oil on vitamin E requirement and their effect on growth performance, liver vitamin E status, and tissue proximate and fatty acid compositions of channel catfish. Basal purified diets (42% protein and 3,800 kcal DE/kg) supplemented with 6, 10, and 14% menhaden fish oil were each supplemented with 50, 100, and 200 mg vitamin E/kg (3×3 factorial experiment). Each diet was fed to juvenile channel catfish in three random aquaria to apparent satiation twice daily for 12 weeks. Weight gain, feed intake, and feed efficiency ratio were not affected by dietary levels of fish oil, vitamin E, or their interaction. Survival rate at the end of week 12 was significantly lower for fish fed diets containing 14% fish oil, regardless of vitamin E content. Whole-body moisture significantly decreased and lipid increased when dietary lipid levels were increased to 10 or 14%. Dietary vitamin E levels had no effect on body proximate composition. Lipid content of liver was not influenced by dietary levels of fish oil and vitamin E or their interaction. Hepatosomatic index significantly decreased with increasing lipid levels but was not affected by dietary levels of vitamin E. Liver vitamin E increased with increasing dietary vitamin E but decreased with increasing fish oil levels. Fatty acid composition of whole body and liver reflected that of dietary lipid but was not influenced by dietary levels of vitamin E. Whole-body saturates increased, whereas MUFA decreased with increasing dietary levels of fish oil. Liver saturates were not affected by fish oil levels, but MUFA and n-6 decreased and increased, respectively, with increasing fish oil levels. Total n-3 and n-3 HUFA in both tissues increased with increasing fish oil levels in diets, but liver stored much higher levels of these fatty acids.

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