CN107646765A - 小龙虾的养殖方法 - Google Patents
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Abstract
本发明公开了一种小龙虾的养殖方法,包括如下步骤:(1)池塘选择;(2)种植水藻;(3)放养幼虾;(4)饲喂管理;(5)水质管理;(6)收获。本发明养殖方法天然无公害、无激素、符合小龙虾生长规律、全程悉心照顾。纯天然的生长,提高了小龙虾的生长效率和成活率,群体产量高,同时使小龙虾的鱼肉营养价值高,也不含任何激素,味道鲜美,肉质口感极佳。同时,通过对小龙虾饲喂含有植物提取物的饲料,既能节省饲料,又可减少投药量和降低饲养成本,提高养小龙虾效益。
Description
技术领域
本发明涉及养殖技术领域,具体是一种小龙虾的养殖方法。
背景技术
小龙虾,也称克氏原螯虾、红螯虾和淡水小龙虾。小龙虾肉味鲜美,营养丰富,是高蛋白、低脂肪和高能量、有营养的保健食品,因其杂食性、生长速度快、适应能力强而在当地生态环境中形成绝对的竞争优势。 其摄食范围包括水草、藻类、水生昆虫、动物尸体等,食物匮缺时亦自相残杀。
小龙虾近年来在中国已经成为重要经济养殖品种。随着消费者对淡水小龙虾的认识和媒体的广泛宣传推广,淡水小龙虾食品已普遍进入饭店、宾馆、超级市场和家庭餐桌,小龙虾需求十分旺盛,由于过度捕捞,野生资源严重缺乏,商品虾品质参差不齐;就西南地区来说,小龙虾货源不足,在冬季基本无成品虾;而小龙虾养殖模式多数为挖沟式粗放养殖,稻田共养等,亩产量普遍不高。
发明内容
本发明的目的在于提供一种小龙虾的养殖方法,该方法能加快小龙虾生长发育,增强小龙虾的生命力和抗病性,保障小龙虾的肉质鲜美且不含激素。
实现本发明目的的技术方案在于:
一种小龙虾的养殖方法,包括如下步骤:
(1)选择水源充足、无污染、池底平坦的地方建设养殖池,水池面积30-40㎡;放养前20-30天,抽干养殖池的水暴晒5-7天后,每亩施腐熟的人尿粪150-200kg,再用浓度为100kg/667㎡的生石灰水对全池泼洒消毒;10天后,向养殖池中注水,水深0.8-1m;
(2)在所述的养殖池中种植水藻,形成水藻的覆盖面积大于整个养殖池面积的50-55%;
(3)每亩放养10-12万尾幼虾,雌雄比例为1︰1;
(4)向池塘中投放小龙虾饲料,饲料分三次投放,早上投放当日投放量的12-18%;下午投放日投放量的40-50%;晚上8点至9点时投放日投放量的余量,且日投放量为小龙虾体重的60-70%;
(5)每天13-15点开增氧机增氧1-3h,保证养殖池中氧气量在6.3-7.3mg/L;每隔6-8天进行一次换水,保持水色呈淡绿色或茶褐色,每隔10-15天泼洒1次生石灰杀菌,使得养殖池的pH值保持在6.5-7.5,透明度保持在20-30cm,直至捕获;
(6)适时捞出即可。
步骤(4)所述小龙虾饲料,是由以下重量份配比的原料混合、粉碎制成:豆渣15-25份、米糠10-15份、葵花籽粕12-18份、玉米胚芽粕3-5份、胡萝卜3-5份、白菜叶4-6份、水葫芦12-18份、鱼粉10-12份、蚯蚓粉5-7份、小小龙虾干粉2-3份、芝麻饼4-6份、八角粉1-2份、大豆卵磷脂1-3份、硒代蛋氨酸1-2份、陈皮1-3份、螺旋藻粉2-4份、酵母粉2-3份、维生素0.3-0.5份、磷酸氢钙0.5-0.7份、食盐4-6份;优选地,小龙虾饲料,是由以下重量份配比的原料混合、粉碎制成:豆渣20份、米糠12份、葵花籽粕15份、玉米胚芽粕4份、胡萝卜4份、白菜叶5份、水葫芦15份、鱼粉11份、蚯蚓粉6份、小小龙虾干粉2.5份、芝麻饼5份、八角粉1.5份、大豆卵磷脂2份、硒代蛋氨酸1.5份、陈皮2份、螺旋藻粉3份、酵母粉2.5份、维生素0.4份、磷酸氢钙0.6份、食盐5份。
采用上述技术方案的有益效果是:本发明养殖方法天然无公害、 无激素、 符合小龙虾生长规律、全程悉心照顾。纯天然的生长,提高了小龙虾的生长效率和成活率,群体产量高,同时使小龙虾的鱼肉营养价值高,也不含任何激素,味道鲜美,肉质口感极佳。同时,通过对小龙虾饲喂含有植物提取物的饲料,既能节省饲料,又可减少投药量和降低饲养成本,提高养小龙虾效益。
具体实施方式
以下结合实施例对本发明进一步说明,但本发明并不局限于这些实施例。
实施例1
一种小龙虾的养殖方法,包括如下步骤:
(1)选择水源充足、无污染、池底平坦的地方建设养殖池,水池面积30㎡;放养前20天,抽干养殖池的水暴晒5天后,每亩施腐熟的人尿粪150kg,再用浓度为100kg/667㎡的生石灰水对全池泼洒消毒;10天后,向养殖池中注水,水深0.8m;
(2)在所述的养殖池中种植水藻,形成水藻的覆盖面积大于整个养殖池面积的50%;
(3)每亩放养10万尾幼虾,雌雄比例为1︰1;
(4)向池塘中投放小龙虾饲料,饲料分三次投放,早上投放当日投放量的12%;下午投放日投放量的40%;晚上8点至9点时投放日投放量的余量,且日投放量为小龙虾体重的60%;
(5)每天13点开增氧机增氧1h,保证养殖池中氧气量在6.3mg/L;每隔6天进行一次换水,保持水色呈淡绿色或茶褐色,每隔10天泼洒1次生石灰杀菌,使得养殖池的pH值保持在6.5,透明度保持在20cm,直至捕获;
(6)适时捞出即可。
步骤(4)所述小龙虾饲料,是由以下重量份配比的原料混合、粉碎制成:豆渣15份、米糠10份、葵花籽粕12份、玉米胚芽粕3、胡萝卜3份、白菜叶4份、水葫芦12份、鱼粉10份、蚯蚓粉5份、小小龙虾干粉2份、芝麻饼4份、八角粉1份、大豆卵磷脂1份、硒代蛋氨酸1份、陈皮1份、螺旋藻粉2份、酵母粉2份、维生素0.3份、磷酸氢钙0.5份、食盐4-份。
实施例2
一种小龙虾的养殖方法,包括如下步骤:
(1)选择水源充足、无污染、池底平坦的地方建设养殖池,水池面积35㎡;放养前25天,抽干养殖池的水暴晒6天后,每亩施腐熟的人尿粪175kg,再用浓度为100kg/667㎡的生石灰水对全池泼洒消毒;10天后,向养殖池中注水,水深0.9m;
(2)在所述的养殖池中种植水藻,形成水藻的覆盖面积大于整个养殖池面积的52.5%;
(3)每亩放养11万尾幼虾,雌雄比例为1︰1;
(4)向池塘中投放小龙虾饲料,饲料分三次投放,早上投放当日投放量的15%;下午投放日投放量的45%;晚上8点至9点时投放日投放量的余量,且日投放量为小龙虾体重的65%;
(5)每天14点开增氧机增氧1-3h,保证养殖池中氧气量在6.8mg/L;每隔7天进行一次换水,保持水色呈淡绿色或茶褐色,每隔12天泼洒1次生石灰杀菌,使得养殖池的pH值保持在7,透明度保持在25cm,直至捕获;
(6)适时捞出即可。
步骤(4)所述小龙虾饲料,是由以下重量份配比的原料混合、粉碎制成:豆渣20份、米糠12份、葵花籽粕15份、玉米胚芽粕4份、胡萝卜4份、白菜叶5份、水葫芦15份、鱼粉11份、蚯蚓粉6份、小小龙虾干粉2.5份、芝麻饼5份、八角粉1.5份、大豆卵磷脂2份、硒代蛋氨酸1.5份、陈皮2份、螺旋藻粉3份、酵母粉2.5份、维生素0.4份、磷酸氢钙0.6份、食盐5份。
实施例3
一种小龙虾的养殖方法,包括如下步骤:
(1)选择水源充足、无污染、池底平坦的地方建设养殖池,水池面积40㎡;放养前30天,抽干养殖池的水暴晒7天后,每亩施腐熟的人尿粪200kg,再用浓度为100kg/667㎡的生石灰水对全池泼洒消毒;10天后,向养殖池中注水,水深1m;
(2)在所述的养殖池中种植水藻,形成水藻的覆盖面积大于整个养殖池面积的55%;
(3)每亩放养12万尾幼虾,雌雄比例为1︰1;
(4)向池塘中投放小龙虾饲料,饲料分三次投放,早上投放当日投放量的18%;下午投放日投放量的50%;晚上8点至9点时投放日投放量的余量,且日投放量为小龙虾体重的70%;
(5)每天13-15点开增氧机增氧1-3h,保证养殖池中氧气量在7.3mg/L;每隔8天进行一次换水,保持水色呈淡绿色或茶褐色,每隔15天泼洒1次生石灰杀菌,使得养殖池的pH值保持在7.5,透明度保持在30cm,直至捕获;
(6)适时捞出即可。
步骤(4)所述小龙虾饲料,是由以下重量份配比的原料混合、粉碎制成:豆渣25份、米糠15份、葵花籽粕18份、玉米胚芽粕5份、胡萝卜5份、白菜叶6份、水葫芦18份、鱼粉12份、蚯蚓粉7份、小小龙虾干粉3份、芝麻饼6份、八角粉2份、大豆卵磷脂3份、硒代蛋氨酸2份、陈皮3份、螺旋藻粉4份、酵母粉3份、维生素0.5份、磷酸氢钙0.7份、食盐6份。
以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。
Claims (6)
1.一种小龙虾的养殖方法,其特征是:包括如下步骤:
(1)选择水源充足、无污染、池底平坦的地方建设养殖池,水池面积30-40㎡;放养前20-30天,抽干养殖池的水暴晒5-7天后,每亩施腐熟的人尿粪150-200kg,再用浓度为100kg/667㎡的生石灰水对全池泼洒消毒;10天后,向养殖池中注水,水深0.8-1m;
(2)在所述的养殖池中种植水藻,形成水藻的覆盖面积大于整个养殖池面积的50-55%;
(3)每亩放养10-12万尾幼虾,雌雄比例为1︰1;
(4)向池塘中投放小龙虾饲料,饲料分三次投放,早上投放当日投放量的12-18%;下午投放日投放量的40-50%;晚上8点至9点时投放日投放量的余量,且日投放量为小龙虾体重的60-70%;
(5)每天13-15点开增氧机增氧1-3h,保证养殖池中氧气量;每隔6-8天进行一次换水,保持水色呈淡绿色或茶褐色,每隔10-15天泼洒1次生石灰杀菌,养殖池的pH值和水透明度,直至捕获;
(6)适时捞出即可。
2.根据权利要求1所述的小龙虾的养殖方法,其特征是:步骤(4)所述小龙虾饲料,是由以下重量份配比的原料混合、粉碎制成:豆渣15-25份、米糠10-15份、葵花籽粕12-18份、玉米胚芽粕3-5份、胡萝卜3-5份、白菜叶4-6份、水葫芦12-18份、鱼粉10-12份、蚯蚓粉5-7份、小小龙虾干粉2-3份、芝麻饼4-6份、八角粉1-2份、大豆卵磷脂1-3份、硒代蛋氨酸1-2份、陈皮1-3份、螺旋藻粉2-4份、酵母粉2-3份、维生素0.3-0.5份、磷酸氢钙0.5-0.7份、食盐4-6份。
3.根据权利要求1所述的小龙虾的养殖方法,其特征是:步骤(4)所述小龙虾饲料,是由以下重量份配比的原料混合、粉碎制成:豆渣20份、米糠12份、葵花籽粕15份、玉米胚芽粕4份、胡萝卜4份、白菜叶5份、水葫芦15份、鱼粉11份、蚯蚓粉6份、小小龙虾干粉2.5份、芝麻饼5份、八角粉1.5份、大豆卵磷脂2份、硒代蛋氨酸1.5份、陈皮2份、螺旋藻粉3份、酵母粉2.5份、维生素0.4份、磷酸氢钙0.6份、食盐5份。
4.根据权利要求1所述的小龙虾的养殖方法,其特征是:步骤(5)所述养殖池中氧气量为6.3-7.3mg/L。
5.根据权利要求1所述的小龙虾的养殖方法,其特征是:步骤(5)所述养殖池的pH值保持在6.5-7.5。
6.根据权利要求1所述的小龙虾的养殖方法,其特征是:步骤(5)所述水透明度保持在20-30cm。
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CN109170162A (zh) * | 2018-09-28 | 2019-01-11 | 桐城市双创农业科技有限公司 | 一种小龙虾人工养殖配方饲料 |
CN109463579A (zh) * | 2018-12-31 | 2019-03-15 | 盐城工学院 | 一种稻虾养殖模式专用配合饲料及其制备方法 |
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