Assessing the bioavailability of the Novel Met-Met product (AQUAVI® Met-Met) compared to dl-methionine (dl-Met) in white shrimp (Litopenaeus vannamei)
作者： Jin Niu , Andreas Lemme , Ju-Yun He , Hao-Yue Li , Shi-Wei Xie
DOI: 10.1016/J.AQUACULTURE.2017.08.021
关键词:
摘要: Abstract This trial was conducted to compare Novel Met-Met product (AQUAVI® Met-Met) and dl -methionine ( -Met) regarding their availability juvenile white shrimp. Eleven experimental diets were formulated (Basal, -Met 0.06, 0.12, 0.18, 0.24, 0.3, AQUAVI 0.3), the basal diet without any additional methionine addition; other ten 0.3; 0.3) with five graded levels of two different sources AQUAVI® Met-Met, respectively. Each fed at a restricted rate four groups 30 shrimp for 63 days. The highest value survival observed 0.24 diet, which significantly higher than that basal, 0.06 0.18 (P 0.05). values growth performance (WG SGR) 0.12 those A non-linear exponential regression model indicated found be more bioavailable calculated relative bioavailability 285.8%, 276.4% 300.4% based on weight gain, specific feed efficiency, These findings lead conclusion differences in do exist between synthetic methionine, is available DL-Met L. vannamei.
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