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Received: 2005-12-20

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Journal of Zhejiang University SCIENCE B 2006 Vol.7 No.7 P.580-585

http://doi.org/10.1631/jzus.2006.B0580


Effects of ration level and feeding frequency on digestibility in juvenile soft-shelled turtle, Pelodiscus sinensis


Author(s):  LEI Si-jia

Affiliation(s):  Department of Biotechnology, Shenzhen Polytechnic, Shenzhen 518055, China; more

Corresponding email(s):   leisijia@yahoo.com

Key Words:  Digestibility, Ration level, Feeding frequency, Juvenile soft-shelled turtle, Pelodiscus sinensis


LEI Si-jia. Effects of ration level and feeding frequency on digestibility in juvenile soft-shelled turtle, Pelodiscus sinensis[J]. Journal of Zhejiang University Science B, 2006, 7(7): 580-585.

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author="LEI Si-jia",
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%T Effects of ration level and feeding frequency on digestibility in juvenile soft-shelled turtle, Pelodiscus sinensis
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%P 580-585
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.B0580

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T1 - Effects of ration level and feeding frequency on digestibility in juvenile soft-shelled turtle, Pelodiscus sinensis
A1 - LEI Si-jia
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2006.B0580


Abstract: 
The effects of ration level and feeding frequency on digestibility in juvenile soft-shelled turtle, Pelodiscus sinensis, were investigated. Four ration levels 1.5%, 2.5%, 4.0% and satiation (6.0% BW/d) were used. Apparent digestibility (AD) of dry matter (DMAD), protein (PAD) and protein real digestibility (PRD) were significantly affected by ration level, but not by feeding frequency when the ration level was similar. However, the feeding frequency affected the AD, DMAD, PAD and PRD significantly when the turtles were fed to satiation. The relationship between fecal protein content (Y) and protein intake (X) can be expressed as a quadric equation: Y=−0.1742+0.1476X−0.0003X2 (r2=0.876, n=27, F=93.92, P<0.01).

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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