CN107751053A - 青虾与黄颡鱼混养的养殖方法 - Google Patents
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Abstract
本发明提出了一种青虾与黄颡鱼混养的养殖方法,包括以下步骤:1)池塘选择;2)池塘消毒处理:往步骤1)得到的空置的池塘中放入0.5~1m深的水,投放生石灰消毒后种植水草,在池塘边悬挂腐熟微生物有机肥,放置遮蔽物,调节池塘的水温、溶氧量和PH值,得到培育池塘;3)苗种投放;4)饲养管理:第一周到第七周,每天投喂2次,投喂煮烂的初级饲料;第八周以后,根据水温来喂食,投喂中药饲料,每3~5天进行改善水质,并投放草鱼夏花和螺蛳。该养殖方法充分利用养殖资源,维持水质,提高了黄颡鱼免疫力且降低了鱼虾患病几率,还大大提高了饲料的利用率,增加水产动物的产量。
Description
技术领域
本发明属于鱼虾养殖领域,具体涉及一种青虾与黄颡鱼混养的养殖方法。
背景技术
青虾是经济价值很高的淡水虾类之一。它生长快,个体大,繁殖快,生命力强,广泛分布于我国淡水湖泊中。青虾肉质细嫩鲜美,营养丰富,每百克食用部分含蛋白质16.40g。其属杂食性水产动物,偏食动物性饲料,人工养殖以商品饲料喂养为主。喜欢栖息在水草丛生的缓流处。栖息水深从1-2米到6-7米不等。
近年来,关于黄颡鱼的单养模式、混养模式的养殖试验取得成功的报道很多,但诸如黄颡鱼“裂头病”、出血性水肿病、水绵病、寄生虫病等养殖病害也呈逐年高发趋势,给养殖户造成巨大损失。此外,常规鱼售价数年来持续低迷,受此影响,黄颡鱼成鱼养殖风险凸显,养殖户养殖信心严重受挫,黄颡鱼养殖模式和产业结构亟需调整。
现在人们往往分别养殖黄颡鱼和青虾,不仅不能满足人们多方面的需要,又会浪费水域和饲料。
发明内容
本发明提出一种青虾与黄颡鱼混养的养殖方法,该养殖方法充分利用养殖资源,维持水质,提高了黄颡鱼免疫力且降低了鱼虾患病几率,还大大提高了饲料的利用率,增加水产动物的产量。
本发明的技术方案是这样实现的:
一种青虾与黄颡鱼混养的养殖方法,包括以下步骤:
1)池塘选择:选择水源充足、无淤泥的池塘,池塘深1~1.5m,在池塘的上面设置保温棚,四周设置0.5m~0.7m高的防逃设施,池塘内开设若干个进出水口,进出水口设置40~60目的过滤网,放干池塘中的水,清除鱼虾的天敌生物,日晒3~5天,得到空置的池塘;
2)池塘消毒处理:往步骤1)得到的空置的池塘中放入0.5~1m深的水,投放生石灰消毒后种植水草,在池塘边悬挂腐熟微生物有机肥,放置遮蔽物,调节池塘的水温、溶氧量和PH值,得到培育池塘;
3)苗种投放:2月初放养规格在2~3cm的虾种,亩放养量15~20kg;6月底放养的虾苗规格0.7~1cm,亩放养量5~6万尾;5月初亩投放体长10cm~12cm的黄颡鱼苗种3000尾~4000尾;
4)饲养管理:进行饲料投喂,第一周到第七周,每天投喂2次,投喂煮烂的初级饲料,投喂量为鱼虾体重的8~10%;第八周以后,根据水温来喂食,水温在25℃及以下时,投喂中药饲料,投喂量为虾体重的10~12%,水温高于25℃时中药饲料的投喂量为虾体重的6~8%,每3~5天进行改善水质,加水,过滤杀菌充氧,调节水温、溶氧量和PH值,并投放草鱼夏花和螺蛳;
其中,所述初级饲料的原料包括麦麸、墨鱼粉、虾壳粉、蚕蛹粉及枯草芽孢杆菌;所述中药饲料的原料包括蚕豆、棉籽饼、复合维生素、光合细菌、茵陈、黄芪、贯众、党参及刺五加。
优选地,所述步骤2)中的水草为芦苇、水葫芦或者伊乐藻,水草的覆盖面积占池塘面积的45~55%。
优选地,所述步骤2)中的腐熟微生物有机肥为奶牛粪便及鲜奶腐熟发酵得到的混合物。此种有机肥能够增强鱼虾的呼吸能力,提高池塘里面的水草供氧量。
优选地,所述步骤2)或者步骤3)所述的池塘的水温为20~30℃,溶氧量为8~10mg/L,PH值为6.5~7.5。
优选地,所述初级饲料中各个原料的重量份数分别为麦麸25~35份、墨鱼粉30~40份、虾壳粉10~20份、蚕蛹粉3~6份及枯草芽孢杆菌1~3份。
优选地,所述中药饲料中各个原料的重量份数分别为蚕豆40~60份、棉籽饼20~40份、复合维生素1~3份、光合细菌1~3份、茵陈1~3份、黄芪1~3份、贯众0.5~1份、党参2~4份及刺五加2~4份。
本发明的有益效果
1、本发明的青虾与黄颡鱼混养的养殖方法通过合理的种植水草,放置腐熟微生物有机肥、小型遮蔽物、草鱼夏花及螺蛳,能长期保证青虾生存环境的多元化,黄颡鱼与青虾之间相互游动促进,提高水质并且提高了饲料的利用率。
2、本发明的养殖方法鱼虾的投喂时,根据鱼虾的不同生长时期进行喂养,初级饲料和中药饲料,增强了黄颡鱼和青虾的抗疾病能力。由于两者饲料中均添加由微生物细菌,特别是中药饲料中添加光合细菌,能够为鱼虾提供足够多的氧气,鱼虾存活率达到95%以上。
具体实施方式
实施例1
一种青虾与黄颡鱼混养的养殖方法,包括以下步骤:
1)选择水源充足、无淤泥的池塘,池塘深1.2m,在池塘的上面设置保温棚,四周设置0.6m高的防逃设施,池塘内开设3个进出水口,进出水口设置40目的过滤网,放干池塘中的水,清除鱼虾的天敌生物,日晒3天,得到空置的池塘。
2)池塘消毒处理:往步骤1)得到的空置的池塘中放入0.7m深的水投放生石灰消毒后种植芦苇,芦苇的覆盖面积占池塘面积的50%,在池塘边悬挂腐熟微生物有机肥,放置遮蔽物,调节池塘的水温、溶氧量和PH值,得到培育池塘;池塘的水温为25℃,溶氧量为9mg/L,PH值为7。腐熟微生物有机肥为奶牛粪便及鲜奶腐熟发酵得到的混合物。
3)苗种投放:2月初放养规格在2~3cm的虾种,亩放养量18kg;6月底放养的虾苗规格0.7~1cm,亩放养量5.5万尾;5月初亩投放体长10cm~12cm的黄颡鱼苗种3500尾;
3)饲养管理:进行饲料投喂,第一周到第七周,每天投喂2次,投喂煮烂的初级饲料,投喂量为鱼虾体重的8%;第八周以后,根据水温来喂食,水温在25℃及以下时,投喂中药饲料,投喂量为虾体重的10%,水温高于25℃时中药饲料的投喂量为虾体重的6%,每3天进行改善水质,加水,过滤杀菌充氧,调节水温、溶氧量和PH值,并投放草鱼夏花和螺蛳;
其中,所述初级饲料的各个原料的重量份数分别为麦麸30份、墨鱼粉34份、虾壳粉16份、蚕蛹粉3份及枯草芽孢杆菌2份。
中药饲料中各个原料的重量份数分别为蚕豆50份、棉籽饼30份、复合维生素2份、光合细菌2份、茵陈2份、黄芪2份、贯众0.8份、党参3份及刺五加3份。
实施例2
一种青虾与黄颡鱼混养的养殖方法,包括以下步骤:
1)选择水源充足、无淤泥的池塘,池塘深1m,在池塘的上面设置保温棚,四周设置0.7m高的防逃设施,池塘内开设4个进出水口,进出水口设置60目的过滤网,放干池塘中的水,清除鱼虾的天敌生物,日晒5天,得到空置的池塘;
2)池塘消毒处理:往步骤1)得到的空置的池塘中放入0.5m深的水,投放生石灰消毒后种植芦苇与伊乐藻,其覆盖面积占池塘面积的55%,在池塘边悬挂腐熟微生物有机肥,放置遮蔽物,调节池塘的水温、溶氧量和PH值,得到培育池塘;池塘的水温为20℃,溶氧量为10mg/L,PH值为6.5,得到培育池塘;
3)苗种投放:2月初放养规格在2~3cm的虾种,亩放养量15kg;6月底放养的虾苗规格0.7~1cm,亩放养量5万尾;5月初亩投放体长10cm~12cm的黄颡鱼苗种3000尾;
4)饲养管理:进行饲料投喂,第一周到第七周,每天投喂2次,投喂煮烂的初级饲料,投喂量为鱼虾体重的10%;第八周以后,根据水温来喂食,水温在25℃及以下时,投喂中药饲料,投喂量为虾体重的12%,水温高于25℃时中药饲料的投喂量为虾体重的8%,每5天进行改善水质,加水,过滤杀菌充氧,调节水温、溶氧量和PH值,并投放草鱼夏花和螺蛳;
初级饲料中各个原料的重量份数分别为麦麸25份、墨鱼粉30份、虾壳粉20份、蚕蛹粉6份及枯草芽孢杆菌1份。
中药饲料中各个原料的重量份数分别为蚕豆40份、棉籽饼40份、复合维生素1份、光合细菌1份、茵陈1份、黄芪3份、贯众0.5份、党参2份及刺五加4份。
实施例3
一种青虾与黄颡鱼混养的养殖方法,包括以下步骤:
1)选择水源充足、无淤泥的池塘,池塘深1.5m,在池塘的上面设置保温棚,四周设置0.5m高的防逃设施,池塘内开设4个进出水口,进出水口设置50目的过滤网,放干池塘中的水,清除鱼虾的天敌生物,日晒4天,得到空置的池塘;
2)池塘消毒处理:往步骤1)得到的空置的池塘中放入1m深的水,投放生石灰消毒后种植水葫芦与伊乐藻,其覆盖面积占池塘面积的45%,在池塘边悬挂腐熟微生物有机肥,放置遮蔽物,调节池塘的水温、溶氧量和PH值,得到培育池塘;池塘的水温为30℃,溶氧量为8mg/L,PH值为7.5。腐熟微生物有机肥为奶牛粪便及鲜奶腐熟发酵得到的混合物。
3)苗种投放:2月初放养规格在2~3cm的虾种,亩放养量20kg;6月底放养的虾苗规格0.7~1cm,亩放养量6万尾;5月初亩投放体长10cm~12cm的黄颡鱼苗种4000尾;
4)饲养管理:进行饲料投喂,第一周到第七周,每天投喂2次,投喂煮烂的初级饲料,投喂量为鱼虾体重的10%;第八周以后,根据水温来喂食,水温在25℃及以下时,投喂中药饲料,投喂量为虾体重的12%,水温高于25℃时中药饲料的投喂量为虾体重的8%,每3天进行改善水质,加水,过滤杀菌充氧,调节水温、溶氧量和PH值,并投放草鱼夏花和螺蛳;
初级饲料中各个原料的重量份数分别为麦麸35份、墨鱼粉40份、虾壳粉10份、蚕蛹粉3份及枯草芽孢杆菌3份。
中药饲料中各个原料的重量份数分别为蚕豆60份、棉籽饼20份、复合维生素3份、光合细菌3份、茵陈3份、黄芪1份、贯众1份、党参4份及刺五加2份。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (6)
1.一种青虾与黄颡鱼混养的养殖方法,其特征在于,包括以下步骤:
1)池塘选择:选择水源充足、无淤泥的池塘,池塘深1~1.5m,在池塘的上面设置保温棚,四周设置0.5m~0.7m高的防逃设施,池塘内开设若干个进出水口,进出水口设置40~60目的过滤网,放干池塘中的水,清除鱼虾的天敌生物,日晒3~5天,得到空置的池塘;
2)池塘消毒处理:往步骤1)得到的空置的池塘中放入0.5~1m深的水,投放生石灰消毒后种植水草,在池塘边悬挂腐熟微生物有机肥,放置遮蔽物,调节池塘的水温、溶氧量和PH值,得到培育池塘;
3)苗种投放:2月初放养规格在2~3cm的虾种,亩放养量15~20kg;6月底放养的虾苗规格0.7~1cm,亩放养量5~6万尾;5月初亩投放体长10cm~12cm的黄颡鱼苗种3000尾~4000尾;
4)饲养管理:进行饲料投喂,第一周到第七周,每天投喂2次,投喂煮烂的初级饲料,投喂量为鱼虾体重的8~10%;第八周以后,根据水温来喂食,水温在25℃及以下时,投喂中药饲料,投喂量为虾体重的10~12%,水温高于25℃时中药饲料的投喂量为虾体重的6~8%,每3~5天进行改善水质,加水,过滤杀菌充氧,调节水温、溶氧量和PH值,并投放草鱼夏花和螺蛳;
其中,所述初级饲料的原料包括麦麸、墨鱼粉、虾壳粉、蚕蛹粉及枯草芽孢杆菌;所述中药饲料的原料包括蚕豆、棉籽饼、复合维生素、光合细菌、茵陈、黄芪、贯众、女贞子、党参及刺五加。
2.根据权利要求1所述的青虾与黄颡鱼混养的养殖方法,其特征在于,所述步骤2)中的水草为芦苇、水葫芦或者伊乐藻,水草的覆盖面积占池塘面积的45~55%。
3.根据权利要求2所述的青虾与黄颡鱼混养的养殖方法,其特征在于,所述步骤2)中的腐熟微生物有机肥为奶牛粪便及鲜奶腐熟发酵得到的混合物。
4.根据权利要求1所述的青虾与黄颡鱼混养的养殖方法,其特征在于,所述步骤2)或者步骤3)所述的池塘的水温为20~30℃,溶氧量为8~10mg/L,PH值为6.5~7.5。
5.根据权利要求1所述的青虾与黄颡鱼混养的养殖方法,其特征在于,所述初级饲料中各个原料的重量份数分别为麦麸25~35份、墨鱼粉30~40份、虾壳粉10~20份、蚕蛹粉3~6份及枯草芽孢杆菌1~3份。
6.根据权利要求1所述的青虾与黄颡鱼混养的养殖方法,其特征在于,所述中药饲料中各个原料的重量份数分别为蚕豆40~60份、棉籽饼20~40份、复合维生素1~3份、光合细菌1~3份、茵陈1~3份、黄芪1~3份、贯众0.5~1份、女贞子1~3份、党参2~4份及刺五加2~4份。
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