期刊
AQUACULTURE NUTRITION
卷 17, 期 2, 页码 E629-E635出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1365-2095.2010.00812.x
关键词
Bio-Mos (R); digestive enzyme; mannan oligosaccharide; prebiotic; yabby
类别
资金
- Alltech Inc., USA
The aim of this experiment was to determine the effects of dietary supplementation of Bio-Mos (R) as a source of mannan oligosaccharide (MOS) on the growth, survival, immunity and digestive enzyme activity of freshwater crayfish, Cherax destructor (yabby). A basal diet and another diet with 0.4% of Bio-Mos (R) supplemented to the basal diet were formulated. Each diet was provided to eight yabbies (35.14 +/- 0.48 g, initial weight) replicated 3 times in individual 250-L plastic cylindrical tanks for a duration of 56 days. Each tank was provided with an independent recirculating water system filtered with a biological filtration. Growth parameters such as weight, specific growth rate and average weekly gain of Bio-Mos (R)-fed yabbies were higher (P < 0.05) than yabbies fed the control diet. Total haemocyte count, granular cells and semi-granular cells were also higher in the yabbies fed Bio-Mos (R) diet. Protease activity was higher in hepatopancreas, and amylase activity was higher in the guts of yabbies fed Bio-Mos (R) diet. The results implies that supplementation of MOS through Bio-Mos (R) can effectively improve growth and immunological condition of yabbies.
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