期刊
AQUACULTURE NUTRITION
卷 17, 期 2, 页码 E494-E500出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1365-2095.2010.00789.x
关键词
canola meal; cellulase; digestibility; enzyme; growth; tilapia
类别
资金
- Suleyman Demirel University [SDUBAP-960-D-04]
The effects of commercial cellulase enzyme products on the nutritive value of canola meal (CM) were determined in tilapia fry. Nine diets were prepared by adding cellulase enzyme (1-5 g kg(-1)) to control diet (containing no canola), low canola (41.7 g kg(-1) CM) and high canola (208.3 g kg(-1) CM). Tilapia fry was fed for 90 days, and growth, feed conversion ratio (FCR), body composition and nutrient digestibility were determined. Fish fed the diets containing the lowest levels of canola meal (41.7 g kg(-1)) had similar final weight and FCR relative to the group fed the control diet, and high canola diet showed significantly lower growth than other groups (P < 0.05), irrespective of cellulase enzyme. The addition of canola meal to tilapia diets resulted in lower protein digestibility and cellulose digestibility. There were no significant differences in body compositions in all treatments. Addition of enzymes to canola meal diets had no significant effects on growth performance, body compositions and nutrient digestibility. The results of this study indicate that use in higher level of canola meal in tilapia diet was adversely affected growth parameters and FCR. Adding dietary cellulase enzyme in different rations to diets showed no significant differences in growth parameter.
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