CN108935257A - 一种虾池网箱组合养殖方法 - Google Patents
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Abstract
本发明是一种虾池网箱组合养殖方法:它包括虾池改造和网箱投放,脊尾白虾抱卵亲虾投放,斑节对虾苗投放,幼乌投放,参苗投放,饵料分阶段投喂等步骤。本发明方法通过网箱的保护作用,将脊尾白虾、斑节对虾、乌贼和刺参引入同一养殖池塘,提高生态系统稳定性,有效的控制了脊尾白虾和斑节对虾病害的发生率,同时充分利用水体,提高水域生产力,增加经济效益,适合在中国北方室外虾池推广。
Description
技术领域
本发明涉及一种虾池网箱组合养殖方法,特别是一种虾池中利用网箱暂养脊尾白虾抱卵亲虾、斑节对虾苗和金乌贼幼乌以及养殖刺参苗的养殖方法。
背景技术
在我国,对虾产业很早就成为海水养殖业的重要支柱产业,给我国带来了十分明显的经济效益和社会效益。然而,自1993年以来,对虾病害一度使中国的对虾养殖业一蹶不振。在我国北方地区,中国明对虾和凡纳滨对虾养殖病害日益增多,商品虾规格偏小,养殖污染日益严重。养殖户对中国明对虾的养殖积极性不高,凡纳滨对虾虽然室内工厂化养殖还有一定规模,但室外虾池养殖面积日益萎缩,大量室外虾池养殖处于亏损状态。对于虾病,目前最好的方法是预防,生物预防好于药物预防,社会急需一种高产、高效、环保的虾池高效利用模式来解决北方室外虾池利用的瓶颈问题。
发明内容
本发明所要解决的技术问题是针对现有技术的不足,提供一种虾池网箱组合养殖方法,该方法通过在虾池中投放网箱暂养脊尾白虾抱卵亲虾、斑节对虾苗和金乌贼幼乌以及养殖刺参苗,实施脊尾白虾、斑节对虾、金乌贼和刺参生态混养和轮养,提高虾池利用效率。
本发明所要解决的技术问题是通过以下的技术方案来实现的。本发明是一种虾池网箱组合养殖方法,其特点是:
(1)虾池改造和网箱投放;所述的虾池改造和网箱投放为在虾池内开挖深2.5~3.5米、宽8~10米环沟,沟内每隔5~10米放置1个6×6×3米的固定式网箱,网箱底部距离沟底10~20厘米;
(2)脊尾白虾抱卵亲虾投放;春季虾池水温升高到13~14℃,水温为池表温度,上午10:00测定,下同;每个网箱投放脊尾白虾抱卵亲虾0.5~1斤,当水温升高到17~18℃时将亲虾散放到虾池中,同时更换网衣;
(3)斑节对虾苗投放;春季水温升高到17~18℃,每个网箱投放1000~2000尾体长1~2厘米的斑节对虾苗暂养,当水温升高到20~23℃时将斑节对虾苗散放到虾池中,同时更换网衣;
(4)幼乌投放;春季水温升高到20~23℃,每个网箱投放200~400只体重1.2~1.4克的金乌贼幼乌,暂养20~30天后撤除网衣;
(5)参苗投放;秋季水温降到17~19℃,网箱支架安装网箱,每个网箱投放200~400头体重2.5~3.5克的刺参秋苗,参苗均匀投放到网箱底部;
(6)饵料分阶段投喂;脊尾白虾抱卵亲虾网箱暂养期投喂兰蛤,过量投喂;斑节对虾网箱暂养期上午6:00投喂虾片,下午6:00投喂大卤虫,过量投喂;幼乌网箱暂养期投喂大卤虫,过量投喂;乌贼虾池与脊尾白虾、斑节对虾混养期间投喂贼虾混养用饵料,刺参养殖期间网箱内不投饵,虾池投喂对虾配合饵料;贼虾混养用饵料重量百分比组成如下:
国产鱼粉 15~30 % 混合油 2~4 %
乌贼粉 10~20 % 虾用多维 1~2 %
发酵豆粕 10~20 % 虾用多矿 1~2 %
次粉 10~20 % 茶多酚 0.1~0.2 %
杂粕 5~10 % 阿魏酸 0.1~0.2 %
虾头粉 5~10 % 牛至油预混剂 0.1~0.2 %
鱿鱼膏 5~10 % 二甲酸钾 0.1~0.2 %
磷酸二氢钙 2~4 % 糖萜素 0.1~0.2 %。
本发明所述的虾池网箱组合养殖方法,其进一步优选的技术方案是:所述的虾池改造和网箱投放为在虾池内开挖深3米、宽9米环沟,沟内每隔8米放置1个6×6×3米的固定式网箱,网箱底部距离沟底15厘米。
本发明所述的虾池网箱组合养殖方法,其进一步优选的技术方案是:所述的脊尾白虾抱卵亲虾投放为春季虾池水温升高到14℃,每个网箱投放脊尾白虾抱卵亲虾0.7~0.8斤,当水温升高到18℃时将亲虾散放到虾池中,同时更换网衣。
本发明所述的虾池网箱组合养殖方法,其进一步优选的技术方案是:所述的斑节对虾苗投放为春季水温升高到18℃,每个网箱投放1500尾体长1~2厘米的斑节对虾苗暂养,当水温升高到22℃时将斑节对虾苗散放到虾池中,同时更换网衣。
本发明所述的虾池网箱组合养殖方法,其进一步优选的技术方案是:所述的幼乌投放为春季水温升高到22℃,每个网箱投放300只体重1.2~1.4克的金乌贼幼乌,暂养25天后撤除网衣。
本发明所述的虾池网箱组合养殖方法,其进一步优选的技术方案是:所述的参苗投放为秋季水温降到18℃,网箱支架安装网箱,每个网箱投放300头体重2.5~3.5克的刺参秋苗,参苗均匀投放到网箱底部。
本发明所述的虾池网箱组合养殖方法,其进一步优选的技术方案是:所述的贼虾混养用饵料配方如下:
国产鱼粉 25% 混合油 3%
乌贼粉 16.75% 虾用多维 1%
发酵豆粕 15% 虾用多矿 1.5%
次粉 12% 茶多酚 0.15%
杂粕 7% 阿魏酸 0.15%
虾头粉 8% 牛至油预混剂 0.15%
鱿鱼膏 7% 二甲酸钾 0.15%
磷酸二氢钙 3% 糖萜素 0.15% 。
本发明中涉及的虾用多维(生物)、虾用多矿(物质)、牛至油预混剂等都是现有技术市售产品。
本发明方法利用网箱的保护作用,根据品种的生长发育和摄食习性,将脊尾白虾、斑节对虾、金乌贼和刺参等引入同一养殖池塘,使其形成品种之间相互利用、相互促进、生态互补的生态环境,提高生态系统稳定性,减少应激反应,预防虾病,同时充分利用水体,提高水域生产力,增加经济效益。主要体现在:
(1)较深的环沟可降低高温期养殖水体的温度,为脊尾白虾、斑节对虾和乌贼安全度夏提供了可能。
(2)较深的环沟可提高低温期养殖水体的温度,有利于刺参和脊尾白虾的安全越冬。
(3)环沟内放置的网箱通过脊尾白虾和斑节对虾中间暂养,极大的提高了脊尾白虾亲虾和斑节对虾在虾池的成活率,同时降低脊尾白虾幼体在苗种期间被亲体摄食,极大的提高虾池内的白虾密度。
(4)乌贼喜欢摄食脊尾白虾,而脊尾白虾繁殖能力非常强,一年可多茬繁殖,满足了金乌贼对活饵的需求,也是对贼虾混养用饵料的一种生态补充。
(5)乌贼可以摄食体弱多病的脊尾白虾和斑节对虾,有效的控制了脊尾白虾和斑节对虾病害的发生率。
(6)贼虾混养用饵料营养丰富,能够满足混养过程中金乌贼、脊尾白虾和斑节对虾的营养需求。
(7)网箱养殖刺参,既可以为刺参提供附着基,又可保证同处一池的脊尾白虾对刺参不构成生态习性上的影响。
(8)刺参以有机物碎片为食,脊尾白虾残饵既可增加池水肥度,促进藻类繁殖生长,又可为刺参提供天然饵料生物,即使水温降到1℃,脊尾白虾和刺参均能继续摄食,白虾的残饵和粪便能够满足刺参冬季生长的需要,在整个养殖过程中,只投喂对虾配合饲料,不对刺参进行特别投喂,参虾混养过程中刺参可以净化水质,为脊尾白虾越冬创造良好的水质环境。
(9)刺参的天敌是小蟹子,而乌贼最喜欢吃小蟹子,乌贼能起到保镖的作用,随时清除虾池中随进水混入的黄眼蟹,为后续刺参养殖提供安全保障。
具体实施方式
以下进一步描述本发明的具体技术方案,以便于本领域的技术人员进一步地理解本发明,而不构成对其权利的限制。
实施例1,一种虾池网箱组合养殖方法:
(1)虾池改造和网箱投放;所述的虾池改造和网箱投放为在虾池内开挖深2.5米、宽8米环沟,沟内每隔5米放置1个6×6×3米的固定式网箱,网箱底部距离沟底10厘米;
(2)脊尾白虾抱卵亲虾投放;春季虾池水温升高到13℃,水温为池表温度,上午10:00测定,下同;每个网箱投放脊尾白虾抱卵亲虾0.5~0.6斤,当水温升高到17℃时将亲虾散放到虾池中,同时更换网衣;
(3)斑节对虾苗投放;春季水温升高到17℃,每个网箱投放1000尾体长1厘米的斑节对虾苗暂养,当水温升高到20℃时将斑节对虾苗散放到虾池中,同时更换网衣;
(4)幼乌投放;春季水温升高到20℃,每个网箱投放200只体重1.2~1.3克的金乌贼幼乌,暂养20天后撤除网衣;
(5)参苗投放;秋季水温降到17℃,网箱支架安装网箱,每个网箱投放200头体重2.5~3.5克的刺参秋苗,参苗均匀投放到网箱底部;
(6)饵料分阶段投喂;脊尾白虾抱卵亲虾网箱暂养期投喂兰蛤,过量投喂;斑节对虾网箱暂养期上午6:00投喂虾片,下午6:00投喂大卤虫,过量投喂;幼乌网箱暂养期投喂大卤虫,过量投喂;乌贼虾池与脊尾白虾、斑节对虾混养期间投喂贼虾混养用饵料,刺参养殖期间网箱内不投饵,虾池投喂对虾配合饵料;贼虾混养用饵料重量百分比组成如下:
国产鱼粉 19.2% 混合油 2 %
乌贼粉 20 % 虾用多维 2 %
发酵豆粕 10 % 虾用多矿 2 %
次粉 20 % 茶多酚 0.1%
杂粕 10 % 阿魏酸 0.1 %
虾头粉 5% 牛至油预混剂 0.2 %
鱿鱼膏 5% 二甲酸钾 0.1%
磷酸二氢钙 4 % 糖萜素 0.1 %。
实施例2、一种虾池网箱组合养殖方法:
(1)虾池改造和网箱投放;所述的虾池改造和网箱投放为在虾池内开挖深3.5米、宽10米环沟,沟内每隔10米放置1个6×6×3米的固定式网箱,网箱底部距离沟底20厘米;
(2)脊尾白虾抱卵亲虾投放;春季虾池水温升高到14℃,水温为池表温度,上午10:00测定,下同;每个网箱投放脊尾白虾抱卵亲虾0.6~0.8斤,当水温升高到18℃时将亲虾散放到虾池中,同时更换网衣;
(3)斑节对虾苗投放;春季水温升高到18℃,每个网箱投放2000尾体长1~2厘米的斑节对虾苗暂养,当水温升高到23℃时将斑节对虾苗散放到虾池中,同时更换网衣;
(4)幼乌投放;春季水温升高到23℃,每个网箱投放400只体重1.3~1.4克的金乌贼幼乌,暂养30天后撤除网衣;
(5)参苗投放;秋季水温降到19℃,网箱支架安装网箱,每个网箱投放400头体重2.5~3.5克的刺参秋苗,参苗均匀投放到网箱底部;
(6)饵料分阶段投喂;脊尾白虾抱卵亲虾网箱暂养期投喂兰蛤,过量投喂;斑节对虾网箱暂养期上午6:00投喂虾片,下午6:00投喂大卤虫,过量投喂;幼乌网箱暂养期投喂大卤虫,过量投喂;乌贼虾池与脊尾白虾、斑节对虾混养期间投喂贼虾混养用饵料,刺参养殖期间网箱内不投饵,虾池投喂对虾配合饵料;贼虾混养用饵料重量百分比组成如下:
国产鱼粉 19.1 % 混合油 4 %
乌贼粉 16 % 虾用多维 1%
发酵豆粕 15 % 虾用多矿 2 %
次粉 15% 茶多酚 0.2 %
杂粕 8% 阿魏酸 0.2 %
虾头粉 5 % 牛至油预混剂 0.1 %
鱿鱼膏 10 % 二甲酸钾 0.2 %
磷酸二氢钙 4 % 糖萜素 0.2 %。
实施例3,一种虾池网箱组合养殖方法实验:
实验时间与地点:2017年度在连云区实验基地虾池。
实验过程:
3月2日改造虾池55亩,在虾池内开挖深3米、宽9米环沟,沟内每隔8米放置1个6×6×3米的固定式网箱,网箱底部距离沟底15厘米;
2017年4月12日每个网箱投放脊尾白虾抱卵亲虾0.5~1斤,水温13℃,暂养期间投喂兰蛤,过量投喂;
5月31日水温18℃,将亲虾散放到虾池中,同时更换网衣,每个网箱投放15000尾体长1.0~1.2厘米的斑节对虾苗暂养,上午6:00投喂虾片,下午6:00投喂大卤虫,过量投喂;
6月15日,水温升高到22℃时将斑节对虾苗散放到虾池中,同时更换网衣,每个网箱投放250只体重1.2~1.4克的金乌贼幼乌,暂养期间投喂大卤虫,过量投喂,暂养25天后撤除网衣,虾池开始投喂贼虾混养用饵料,投喂量占脊尾白虾和斑节对虾体重的7%-8%左右。贼虾混养用饵料配方如下:
国产鱼粉 25% 混合油 3%
乌贼粉 16.75% 虾用多维 1%
发酵豆粕 15% 虾用多矿 1.5%
次粉 12% 茶多酚 0.15%
杂粕 7% 阿魏酸 0.15%
虾头粉 8% 牛至油预混剂 0.15%
鱿鱼膏 7% 二甲酸钾 0.15%
磷酸二氢钙 3% 糖萜素 0.15% 。
10月10日,水温18℃,开始收集斑节对虾、金乌贼和部分脊尾白虾,上市销售,斑节对虾产量215斤/亩,脊尾白虾产量282斤/亩,金乌贼产量96斤/亩;同时安装固定网箱,每个网箱投放300头体重2.5~3.5克的刺参秋苗,参苗均匀投放到网箱底部,刺参网箱内不投饵,虾池投喂对虾配合饲料,投喂量占脊尾白虾体重的3~5%,春节前收获所有的脊尾白虾和刺参上市销售,脊尾白虾产量320斤/亩,刺参产量160斤/亩。
Claims (7)
1.一种虾池网箱组合养殖方法,其特征在于:
(1)虾池改造和网箱投放;所述的虾池改造和网箱投放为在虾池内开挖深2.5~3.5米、宽8~10米环沟,沟内每隔5~10米放置1个6×6×3米的固定式网箱,网箱底部距离沟底10~20厘米;
(2)脊尾白虾抱卵亲虾投放;春季虾池水温升高到13~14℃,水温为池表温度,上午10:00测定,下同;每个网箱投放脊尾白虾抱卵亲虾0.5~1斤,当水温升高到17~18℃时将亲虾散放到虾池中,同时更换网衣;
(3)斑节对虾苗投放;春季水温升高到17~18℃,每个网箱投放1000~2000尾体长1~2厘米的斑节对虾苗暂养,当水温升高到20~23℃时将斑节对虾苗散放到虾池中,同时更换网衣;
(4)幼乌投放;春季水温升高到20~23℃,每个网箱投放200~400只体重1.2~1.4克的金乌贼幼乌,暂养20~30天后撤除网衣;
(5)参苗投放;秋季水温降到17~19℃,网箱支架安装网箱,每个网箱投放200~400头体重2.5~3.5克的刺参秋苗,参苗均匀投放到网箱底部;
(6)饵料分阶段投喂;脊尾白虾抱卵亲虾网箱暂养期投喂兰蛤,过量投喂;斑节对虾网箱暂养期上午6:00投喂虾片,下午6:00投喂大卤虫,过量投喂;幼乌网箱暂养期投喂大卤虫,过量投喂;乌贼虾池与脊尾白虾、斑节对虾混养期间投喂贼虾混养用饵料,刺参养殖期间网箱内不投饵,虾池投喂对虾配合饵料;贼虾混养用饵料重量百分比组成如下:
国产鱼粉 15~30 % 混合油 2~4 %
乌贼粉 10~20 % 虾用多维 1~2 %
发酵豆粕 10~20 % 虾用多矿 1~2 %
次粉 10~20 % 茶多酚 0.1~0.2 %
杂粕 5~10 % 阿魏酸 0.1~0.2 %
虾头粉 5~10 % 牛至油预混剂 0.1~0.2 %
鱿鱼膏 5~10 % 二甲酸钾 0.1~0.2 %
磷酸二氢钙 2~4 % 糖萜素 0.1~0.2 %。
2.如权利要求1所述的虾池网箱组合养殖方法,其特征在于:所述的虾池改造和网箱投放为在虾池内开挖深3米、宽9米环沟,沟内每隔8米放置1个6×6×3米的固定式网箱,网箱底部距离沟底15厘米。
3.如权利要求1所述的虾池网箱组合养殖方法,其特征在于:所述的脊尾白虾抱卵亲虾投放为春季虾池水温升高到14℃,每个网箱投放脊尾白虾抱卵亲虾0.7~0.8斤,当水温升高到18℃时将亲虾散放到虾池中,同时更换网衣。
4.如权利要求1所述的虾池网箱组合养殖方法,其特征在于:所述的斑节对虾苗投放为春季水温升高到18℃,每个网箱投放1500尾体长1~2厘米的斑节对虾苗暂养,当水温升高到22℃时将斑节对虾苗散放到虾池中,同时更换网衣。
5.如权利要求1所述的虾池网箱组合养殖方法,其特征在于:所述的幼乌投放为春季水温升高到22℃,每个网箱投放300只体重1.2~1.4克的金乌贼幼乌,暂养25天后撤除网衣。
6.如权利要求1所述的虾池网箱组合养殖方法,其特征在于:所述的参苗投放为秋季水温降到18℃,网箱支架安装网箱,每个网箱投放300头体重2.5~3.5克的刺参秋苗,参苗均匀投放到网箱底部。
7.如权利要求1所述的虾池网箱组合养殖方法,其特征在于:所述的贼虾混养用饵料配方如下:
国产鱼粉 25% 混合油 3%
乌贼粉 16.75% 虾用多维 1%
发酵豆粕 15% 虾用多矿 1.5%
次粉 12% 茶多酚 0.15%
杂粕 7% 阿魏酸 0.15%
虾头粉 8% 牛至油预混剂 0.15%
鱿鱼膏 7% 二甲酸钾 0.15%
磷酸二氢钙 3% 糖萜素 0.15% 。
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