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地图鱼是原产于南美洲亚马逊河流域的现赏和食用兼备的较大型热带鱼,经济价值极高,1993年7-10月在水库网箱中利用体重27g鱼种进行人工配合饲料养殖试验。通过85天饲养,地图鱼体重达到143.4g,净增重116.4g,增重率431%,生长比速1.96,日增重1.37g/尾,饵料系数2.3,水库网箱养殖地图鱼的生长速度为室内流水池饲养的2.5倍,地图鱼的体色也更为绚丽多彩,且养殖成本大幅度降低,可望成为水库移民养鱼致富的新途径。
The map fish is a tropical fish native to the Amazon of South America. It has a high economic value. In July-October 1993, 27-g fish were weighed and used for artificial feeding experiments. After 85 days of feeding, the body weight of the map fish reached 143.4g, the net weight gain was 116.4g, the weight gain rate was 431%, the growth rate was 1.96, the daily gain was 1.37g / tail, the feed coefficient was 2.3, the reservoir network Carton breeding map The growth rate of fish is 2.5 times higher than that of the indoor flow pool. The body color of the map fish is also more colorful and colorful, and the breeding cost is greatly reduced, which is expected to become a new way for the reservoir immigrants to fish enrichment.