Digestive enzyme activity of the red porgy (Pagrus pagrus, L.) during larval development under culture conditions
作者： Cüneyt Suzer , H Okan Kamaci , Deniz Çoban , Şahin Saka , Kürşat Firat
DOI: 10.1111/J.1365-2109.2007.01841.X
关键词:
摘要: The ontogenic development of the main digestive enzymes (proteases, amylase and lipase) in red porgy, Pagrus pagrus, larvae was assayed during larval development. green water technique carried out for rearing whole-body homogenates were used enzymatic assays triplicate. Significant alterations specific activities all measured period this study mostly related to metamorphosis weaning. Trypsin- chymotrypsin-specific first detected on day 3, together with opening mouth, slightly increased until 25 days after hatching (DAH). After period, these decreased. Pepsin 28, concurrent stomach formation, a sharp increase observed 30 DAH. A slight decrease from date end experiment. Both lipase time 2 4 respectively, showed similar patterns week study. Then, variations DAH while lipase-specific activity declined, an found It is concluded that either metamorphosis, such as formation (28 DAH), or changes food composition. profile developmental pattern P. pagrus described other Sparid species.
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