| Influence of Probiotics on the Growth and Digestive Enzyme Activity of White Pacific Shrimp （Litopenaeus vannamel） |
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| 摘 要： |
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| 关 键 词： | 杆菌 消化酶 前体生命 中肠 |
| 收稿时间： | 10 October 2007 |
Influence of probiotics on the growth and digestive enzyme activity of white Pacific shrimp (<Emphasis Type="Italic">Litopenaeus vannamei</Emphasis>) |
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| Authors: | R Geovanny D Gómez M A Shen |
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| Institution: | 1. College of Fisheries, Ocean University of China, Qingdao 266003, P. R. China;Faculty of Aquaculture, Technical University of Machala, Ecuador
2. College of Fisheries, Ocean University of China, Qingdao 266003, P. R. China |
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| Abstract: | The influence of Bacillus probiotics on the digestive enzyme activity and the growth of Litopenaeus vannamei were de-termined in this study. The shrimp was treated with five percentages (1.5, 3.0, 4.5, 6.0 and 7.5) of probiotics (Bacillus spp.) supple-mented to the feed and cultured for 45d. The growth measured as the weight gain at the end of culturing was significantly (P<0.05) higher in probiotic-treated shrimps than that of the control (without receiving probiotics). Activities of protease and amylase, two digestive enzymes of the midgut gland and the intestine were significantly (P<0.05) higher in probiotic-treated shrimp than in the control. |
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| Keywords: | Bacillus digestive enzymes growth midgut gland probiotic |
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