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实验材料:实验对虾购自深圳市新大养虾场,经驯化3天后挑选较健壮均匀的个体供实验用。 试验饲料:试验用基础饲料为廉江饲料厂生产的“珊瑚”牌饲料。虾用化十香味素由中外合资广州化十营养保健公司提供。 试验设计:试验为单因子对比实验,共分4组,每组放养对虾50尾。其中实验组三组,分别在投喂饲料中加入0.05％,0.10％,0.15％化十香味素;另一组为对照组,不加香味素,实验周期40天。 试验条件与日常管理。试验于室内1.5×1×1米的水泥池中进行,控制水温在22±1℃;日投饲料量按
Experimental Materials: Experimental shrimp were purchased from Shinchi shrimp farm in Shenzhen. After 3 days of acclimation, more robust individuals were selected for experiment. Test feed: The basic feed for testing is “Coral” brand feed produced by Lianjiang Feed Factory. Shihua Shihua shrimp by the Sino-foreign joint ventures in Guangzhou Ten Nutrition and Health Company. Experimental design: The experiment is a single factor comparative experiment, divided into 4 groups, each stocking shrimp 50. The experimental group of three groups, respectively, fed diets added 0.05%, 0.10%, 0.15% of the ten fragrance flavor; the other group as the control group, without flavor, the experimental period of 40 days. Test conditions and daily management. Test indoor 1.5 × 1 × 1 meter cement pool, control the water temperature at 22 ± 1 ℃; daily feed amount of feed