家养金鱼如饵料供应不足,金鱼会消瘦,或因饥饿等原因而死亡;如饵料质量不好,或营养成分不全,也会使金鱼得病或体色减退而养不出好鱼来。因此,家庭饲养金鱼要掌握以下的投饵原则及方法。投饵量投饵是饲养管理中的一个基本环节,合理地投饵要根据当时的天气变化、水质和金鱼的活动情况,灵活掌握,适当增减。许多环境因素的影响,都会反映到金鱼的食欲上,金鱼的食欲强弱是决定投饵量的最重要依据。一般说,如用鱼虫喂当年鱼,每尾每日投喂与其头部大小相等的一团湿鱼虫为适度;2龄鱼投喂的湿鱼虫约为头部大小的1/2即可;3龄鱼为头部大小的1/3。如喂干鱼虫、麸皮、人工合成饵料,则应根据金鱼食欲和消化吸收情况来确定投饵数量,切勿过量,因为喂活鱼虫多余部分可以暂时存活于鱼池中;而喂干鱼虫、麸皮、合 Domestic goldfish, such as food supply, goldfish will lose weight, or because of hunger and other causes of death; such as poor food quality, or incomplete nutritional content, but also make the goldfish get sick or lose color and good fish. Therefore, the family feeding goldfish to master the following principles and methods of feeding. Feed bait feeding management is a basic part of a reasonable feeding should be based on the prevailing weather changes, water quality and the activities of goldfish, flexible grasp, appropriate changes. Many environmental factors, will be reflected in the appetite of goldfish, goldfish’s appetite is the most important basis for determining the amount of feeding. In general, such as feeding fish with fish that year, each fed daily with a head of the same size wet fish as moderate; wet fish fed 2-day-old fish about the size of the head 1/2 that Can; 3-year-old fish head size 1/3. Such as feeding dried fish insects, bran, synthetic feed, goldfish should be based on appetite and digestion and absorption to determine the number of bait, do not overdose, because feeding excess fish can live temporarily in the pond; and feed dried fish Insects, bran, together