Fig. 1From: The relationship between dietary methionine and growth, digestion, absorption, and antioxidant status in intestinal and hepatopancreatic tissues of sub-adult grass carp (Ctenopharyngodon idella)Quadratic regression analysis (solid curved lines) of percentage weight gain (PWG), intestinal trypsin and hepatopancreatic anti-hydroxy radical (AHR) activities for sub-adult grass carp, with 0.95 confidence limits (dashed curved lines). ▲ and ◆ Estimated mean of Y at 0.95 confidence limits; ● Observed mean of Y. a PWG; b Intestinal trypsin activity; c Hepatopancreatic AHR activityBack to article page