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河南鲶鱼苗繁殖基地,存活率高,价格优惠

2020-07-07 01:51:01 1068次浏览

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大口鲶鱼,动物界-脊索动物门-脊索动物亚门-辐鳍鱼纲-鲶形目-鲶科-鲶属-大嘴鲶种。外貌与鲶鱼相似,也是4根须,但口奇大,个体也较鲶鱼大很多。可人工养殖,生长速度快,当年繁殖的鱼苗当年即可长到500~750克,第二年可长到1500~2000克,第三年可长到3000~4000克。市场上销售的多是此种鲶鱼,肉质较为平常,价格便宜。

鲶鱼主要生活在江河、湖泊、水库、坑塘的中下层,多在 沿岸地带活动,白天多隐于草丛、石块下或深水底,夜晚觅食活动频繁。秋后居于深水或污泥中越冬,摄食程度亦减弱。肉食性鱼类,捕食对象多为小型鱼类,如餐条、鲫鱼、鰕虎鱼、麦穗鱼、鲤鱼、泥鳅等,也吃虾类和水生昆虫。以吞食为主,牙齿的作用主要是防止食物逃脱。

鲶鱼苗都是使用尼龙袋进行运输的,因为尼龙袋中的氧气含量比较充足,所以鱼在里面不会发生缺氧的情况,氧气含量相对比较充足,另外还是要注意在运输过程中温度的控制,因为运输时间长的话高温会影响到鲶鱼的生长,因为鲶鱼在高温环境下身体的代谢速度会加快,又因为北方环境比较寒冷,所以要保证水温的标准。

鲶鱼在放养初期可以使用正规的鱼饲料对其进行饲养,等到育苗长到大一点后即可将其分开饲养,放养到不同的水池里面,避免鲶鱼出现以大吃小的情况,随着它越长越大我们对其饲料要更加严格把关,饲料不能太单一,要多元化饲料进行喂养,可以自己配置饲料。


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  • 营底栖性鱼类,通常栖息于水草丛生、底泥细软的静水或微流水中。黑鱼栖息环境,遍布于湖泊、江河、水库、池塘等水域内。时常潜于水底层,以摆动其胸鳍来维持身体平衡。对水体中环境因子的变化适应性强,尤其对缺氧、水温和不良水质有很强的适应能力。当水体缺
  • 环境要求锦鲤和金鱼一样对水温、水质的要求不严,适温范围为2℃~30℃,但不能抵抗水温骤变、温差骤然超过2℃~3℃锦鲤会出现不适,最适水温为20℃~25℃;需求充足的氧气,适于生活在微碱性、硬度低的水质环境中。食性要求锦鲤是杂食性鱼类,一般软