论文部分内容阅读
1金鱼的选购 一般来说，金鱼变异越大，即与其祖先——鲫鱼外貌差异越大，品种就越珍贵。选购时应注意以下几点。 1． 1健康状况 观赏鱼市场出售的金鱼，其体质健康状况较为复杂。鉴定金鱼健康标准大致可从以下几方面进行判断分析： 活动状况 市场上出售的金鱼，由于容器狭
1 The purchase of goldfish In general, the greater the variation of goldfish, that is, with its ancestors - crucian carp appearance more different, the more precious varieties. When buying should pay attention to the following points. 1. 1 health Goldfish for sale in the aquarium market, its physical health is more complicated. Identification of goldfish health standards can be roughly judged from the following aspects: Activity Goldfish for sale on the market, due to container narrow