Hepatic RNA:DNA ratio as a reliable indicator of the growth performance of juvenile Pelodiscus sinensis under nutritional stress
作者： Fangshuo Ji , Quansen Xie , Haiyan Liu , Yujuan Li , Zhencai Yang
DOI: 10.1007/S12562-017-1061-9
关键词: Pelodiscus 、 Juvenile 、 Turtle (robot) 、 DNA 、 Animal science 、 Dietary protein 、 Protein diet 、 RNA 、 Specific growth 、 Anatomy 、 Biology
摘要: We investigated the reliability of ratio RNA to DNA in juvenile Pelodiscus sinensis under moderate nutritional stress from lack sufficient protein. The control diet contained 45% Two experimental diets containing 40 and 35% protein were used trigger stress. One hundred fifty-six turtles randomly divided into three groups fed for 90 days. Four sampled each group on days 2, 4, 7, 15, 30, 45, 60, 75 trial their hepatic RNA:DNA was measured. Each turtle weighed 90. Obvious positive correlations between specific growth rate (SGR) found, which affected by dietary levels. exponential regression model relationship (x) SGR (y) y = 0.8001e0.3072x, 40% it 0.5374e0.4297x, 0.7867e0.369x. From day 7 until end trial, accurately distinguished differences among groups. suggest that is a sensitive quick indicator performance turtles, especially studies related
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