Effects of dietary thiamin supplement on growth, body composition and intestinal enzyme activities of juvenile Jian carp (Cyprinus carpio var. Jian)
Identifieur interne : 000334 ( Main/Exploration ); précédent : 000333; suivant : 000335Effects of dietary thiamin supplement on growth, body composition and intestinal enzyme activities of juvenile Jian carp (Cyprinus carpio var. Jian)
Auteurs : H. Huang [République populaire de Chine] ; L. Feng [République populaire de Chine] ; Y. Liu [République populaire de Chine] ; J. Jiang [République populaire de Chine] ; W. Jiang [République populaire de Chine] ; K. Hu [République populaire de Chine] ; S. Li ; X. Zhou [République populaire de Chine]Source :
- Aquaculture Nutrition [ 1353-5773 ] ; 2011-04.
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Abstract
A total of 1050 juvenile Jian carp (Cyprinus carpio var. Jian) (8.20 ± 0.02 g) were fed diets containing seven graded levels of thiamin (0.25, 0.48, 0.79, 1.06, 1.37, 1.63 and 2.65 mg kg−1) for 60 days to investigate the effects of thiamin on growth, body composition and digestive enzyme activities. Percent weight gain (PWG), feed intake and feed efficiency (FE) were the lowest in fish fed the basal diet (P < 0.05). Protein productive value and lipid productive value increased with increasing dietary thiamin levels up to 1.06 and 0.79 mg kg−1 diet, respectively (P < 0.05). Body protein and lipid increased with increasing dietary thiamin levels (P < 0.05), while moisture and ash of fish carcasses decreased with the increase in dietary thiamin supplementation (P < 0.05). Intestinal folds height had a similar trend to PWG (P < 0.05). Activities of α‐amylase, lipase, trypsin, Na+, K+‐ATPase, alkaline phosphatase and gamma‐glutamyl transpeptidase in intestine were all affected by the dietary thiamin (P < 0.05). In conclusion, thiamin could improve growth and intestinal enzyme activities of juvenile Jian carp. The dietary thiamin requirement of juvenile Jian carp (8.0–60.2 g) based on PWG was 1.02 mg kg−1 diet.
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DOI: 10.1111/j.1365-2095.2010.00756.x
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Intestinal folds height had a similar trend to PWG (P < 0.05). Activities of α‐amylase, lipase, trypsin, Na+, K+‐ATPase, alkaline phosphatase and gamma‐glutamyl transpeptidase in intestine were all affected by the dietary thiamin (P < 0.05). In conclusion, thiamin could improve growth and intestinal enzyme activities of juvenile Jian carp. The dietary thiamin requirement of juvenile Jian carp (8.0–60.2 g) based on PWG was 1.02 mg kg−1 diet.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><noCountry><name sortKey="Li, S" sort="Li, S" uniqKey="Li S" first="S." last="Li">S. Li</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Huang, H" sort="Huang, H" uniqKey="Huang H" first="H." last="Huang">H. Huang</name></noRegion><name sortKey="Feng, L" sort="Feng, L" uniqKey="Feng L" first="L." last="Feng">L. Feng</name><name sortKey="Hu, K" sort="Hu, K" uniqKey="Hu K" first="K." last="Hu">K. 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