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掌握小龙虾投喂技术和饲养管理,养出高品质龙虾,收益翻番

作者:尘风发布:2019-12-17 2:00:22阅读:3,011次

  听很多养殖小龙虾的朋友说,今年塘租高,苗价高,加上自己投喂不合理,养出来的龙虾个头小,不够规格,所以收益不是很理想。可能很多养殖朋友由于自身经验不足或其他原因都有这样的问题,我要告诉大家,只有选择合适的饲料,掌握好投喂饵料的技巧,加强管理,养出的小龙虾才能达到理想的商品规格。

  今天我们就来说一说该如何选择小龙虾饲料,又该如何进行科学投喂?
掌握小龙虾投喂技术和饲养管理,养出高品质龙虾,收益翻番
  小龙虾是杂食性动物,“荤素通吃”。素一般指水中的苦草、轮叶黑藻等植物型饵料,荤是指小杂鱼、蚯蚓还有畜禽的内脏等动物型饵料。人工配合饲料就是由植物型饵料和动物型饵料配合加工而成的颗粒状饲料,大家一定要选择具有一定规模、技术力量雄厚的饲料厂进行采购,正规厂家的饲料一般都混合得非常均细,颗粒均匀,表面光洁,闻着有大豆、玉米、鱼粉特有的香味。优质的饲料才能满足小龙虾的营养需求,使小龙虾长得更快、更健康。
  小龙虾在不同的生长阶段食性也会发生变化,所以我们要根据小龙虾的需求去投喂饲料,保证食物中的营养物质可以达到小龙虾脱壳和生长的要求。如何进行合理科学的投喂,这里总结了3点建议。
  1、遵循“四定”原则
  小龙虾具有昼伏夜出的习性,傍晚至黎明是其摄食的高峰期,所以晚上投喂的饵料要占全天投喂的70%-80%,并且要做到定时、定量、定点、定质。投喂量一般为池塘放苗量或总存塘虾重量的3-6%,投饵量过少不利于龙虾的生长甚至会因为饥饿而引起小龙虾之间的相互残杀,投喂过多则会增加养殖成本又会造成池塘环境的恶化,投喂的饲料蛋白不能低于26,每次投喂完要检查小龙虾的进食情况,依据进食量适当调节投喂量,一般以投料后2小时左右吃完为宜。
  2、依据天气投喂
  在天气晴朗温度适宜的状态下,要适当加大投喂量;在阴雨或者闷热的天气里小龙虾摄食量会减少,这个时候要减少投喂量或者停止投喂。在越冬前,要增加投喂量,保证小龙虾能够储存足够的营养物质,增强自身体质,以防冻伤,确保小龙虾安全越冬。
  3、根据小龙虾生长阶段投喂
  开春出洞后,小龙虾开始摄食,此时应及时投喂,促进体质恢复。在小龙虾蜕壳前后适当增加投喂量,使虾体内储备足够的营养和能量,促进小龙虾的蜕壳以及甲壳硬化,这个时候建议大家在饲料中添加胆汁酸进行投喂,因为胆汁酸可以促进脱壳激素的形成,可以促进龙虾脱壳,预防脱壳不遂,加快龙虾的生长速度。在捕捞阶段,池内水草茂盛,小龙虾可以把饲养做为饵料可以少量投喂或者停止投喂,这个时候要确保小龙虾处在饥饿状态,以保证捕捞量。
  在小龙虾养殖过程中,饲料的质量关乎着小龙虾的品质,所以我们一定要认真选择小龙虾饲料;除此之外,还要进行科学的投喂,高品质的饲料配合科学的投喂方法才能养殖出规格大、体质好受大众欢迎的肥美小龙虾。

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