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2 天
2024年23个水产新品种——鱼类篇
生长速度和养殖成活率明显快于普通草鱼,因此建议放养密度适当低些,或者提早分苗,及时降低养殖密度。 翘嘴鳜“华康2号”03 法已选育翘嘴鳜“华康1号”新品种的基础上,选育出易驯化品系“华康2号”,饲料驯食成功率达到90%,饲料系数1.2~1.5。 采用群选 ...
4 天
从安徽臭鳜鱼到池州鳜鱼,一条鱼的千年蜕变|池小鳜
千年之前的某个清晨,安徽池州秋浦河,或者是池州境内其他某条河流,河面微光洒落,波光粼粼,水下清澈见底,一条肥硕的鳜鱼在水草间悠然游弋。丰富的鱼虾资源让它食物无忧,河床鹅卵石纤毫毕现的纯净河水让它心情愉悦。尽管如此,基因本能依然驱使它警觉地四处张望,轻 ...
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