CN111165399A - 一种高效的蓝子鱼的室外生态池塘人工育苗方法 - Google Patents
一种高效的蓝子鱼的室外生态池塘人工育苗方法 Download PDFInfo
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Abstract
本发明提供一种高效的蓝子鱼的室外生态池塘人工育苗方法,包括以下步骤:养殖池处理、水质处理、苗种放养、养殖管理,经合理的配制进行养殖池处理,科学配比制备人工饵料,水质调节刺激鱼体,使得养殖出的蓝子鱼鱼体健壮,脂肪较少,口感鲜脆,成活率高。
Description
技术领域
本发明涉及水产养殖领域,特别涉及一种高效的蓝子鱼的室外生态池塘人工育苗方法。
背景技术
蓝子鱼即臭肚鱼,是一种蓝子鱼科鱼类的统称,包括1个属(蓝子鱼属Siganus),有28个有效种。这种鱼体型外观扁平呈椭圆型,嘴部细长口小,背鳍和臀鳍上的刺骨尖锐有毒,食物以藻类食物为主。系沿海常见的暧水性近海小型鱼类,常栖息于岩礁或珊瑚丛中,在季节来临时会聚于港湾中,特别是有麒麟菜养殖的地方,有时也会进入咸淡水和河口的方。广泛分布于印度洋和太平洋西部。我国产于南海和东海南部。蓝子鱼以其肉质鲜美、味道可口的特性更是深受广大群众所喜爱,但是,目前蓝子鱼的养殖技术尚未成熟,导致存活率低,生长周期长,肉质差等。
发明内容
鉴于此,本发明提出一种高效的蓝子鱼的室外生态池塘人工育苗方法,解决上述问题。
本发明的技术方案是这样实现的:一种高效的蓝子鱼的室外生态池塘人工育苗方法,包括以下步骤:
S1、养殖池处理:将养殖池四周清理干净,在阳光下暴晒2~6天,四周喷洒消毒剂,喷洒量为0.3~0.5kg/m2,自然放置1~3天后铲入富硒底泥,底泥高度为池塘高度为4~7cm,再栽培水草,且水草栽培面积为池塘总面积的20~40%;
S2、水质处理:注水量为池塘高度的60~80%,喷淋15~26ml/m2净化剂,调节水温22~28℃,盐度25~32,pH7.2~8.0,溶解氧4~8mg/L,透明度60~90cm;
S3、苗种放养:选择体长规格2~4cm的苗种,按600~800尾/m2投放,投喂人工搭配饲料,一天投喂三次,上午投喂量为鱼苗数量的3~5%,中午和傍晚投喂量为1~3%;
S4、养殖管理:每隔8~12天换20~40%的水,水流速为5~10m3/min;
进一步的,所述消毒剂为石灰、酒糟、过磷酸钙,重量份比为(0.3~3):(0.4~0.8):(0.7~1)。
进一步的,所述净化剂为重量份为(1~3):(0.5~1.2):(0.8~2.3)的凤眼莲根、剪股颖草、麦蓝菜。
进一步的,所述水草为羽毛藻、麒麟菜、苔菜,种植面积比为(1~3):(3~5):(2~6)。
进一步的,所述人工搭配饲料为米糠6~8份、纵条肌海葵7~10份、大叶青8~12份、车前草5~11份、左黑果1~3份、银杏叶2~6份、黄虫粉3~5份、茧蛹粉2~6份。
与现有技术相比,本发明的有益效果是:
(1)本发明突破传统的苗种培育方法,在培育池做了养殖前处理,喷洒消毒剂,栽培水草,设定各水草的面积比,能够净化水体也能作为蓝子鱼的饵料,调控水质处理参数,利于鱼苗的生长发育;
(2)合理按密度投放鱼苗,科学配制人工饵料,控制喂养次数和投喂量,有效促进鱼苗的生长,水流刺激提高鱼体的抗激能力,隔时换水,使得养殖池中的水始终流动,保持养殖池中的含氧量和富硒量,有利于增加鱼体的好动性,使得成长的鱼体健壮,脂肪较少,口感鲜脆,提高成活率,增加产量。
具体实施方式
为了更好理解本发明技术内容,下面提供具体实施例,对本发明做进一步的说明。
本发明实施例所用的实验方法如无特殊说明,均为常规方法。
本发明实施例所用的材料、试剂等,如无特殊说明,均可从商业途径得到。
实施例1
一种高效的蓝子鱼的室外生态池塘人工育苗方法,包括以下步骤:
S1、养殖池处理:将养殖池四周清理干净,在阳光下暴晒2天,四周喷洒消毒剂,消毒剂为重量份比0.3:0.4:0.7的石灰、酒糟、过磷酸钙,喷洒量为0.3kg/m2,自然放置1天后铲入富硒底泥,底泥高度为池塘高度为4cm,再栽培水草,且水草栽培面积为池塘总面积的20%,所述水草为羽毛藻、麒麟菜、苔菜,种植面积比为1:3:2;
S2、水质处理:注水量为池塘高度的60%,喷淋15ml/m2净化剂,净化剂为重量份1:0.5:0.8的凤眼莲根、剪股颖草、麦蓝菜,调节水温22℃,盐度25,pH7.2,溶解氧4mg/L,透明度60~90cm;
S3、苗种放养:选择体长规格2cm的苗种,按600尾/m2投放,投喂人工搭配饲料,一天投喂三次,上午投喂量为鱼苗数量的3%,中午和傍晚投喂量为1%,所述人工搭配饲料为米糠6份、纵条肌海葵7份、大叶青8份、车前草5份、左黑果1份、银杏叶2份、黄虫粉3份、茧蛹粉2份。
S4、养殖管理:每隔8天换20%的水,水流速为5m3/min。
实施例2
一种高效的蓝子鱼的室外生态池塘人工育苗方法,包括以下步骤:
S1、养殖池处理:将养殖池四周清理干净,在阳光下暴晒6天,四周喷洒消毒剂,消毒剂为重量份比3:0.8:1的石灰、酒糟、过磷酸钙,喷洒量为0.5kg/m2,自然放置3天后铲入富硒底泥,底泥高度为池塘高度为7cm,再栽培水草,且水草栽培面积为池塘总面积的40%,所述水草为羽毛藻、麒麟菜、苔菜,种植面积比为3:5:6;
S2、水质处理:注水量为池塘高度的80%,喷淋26ml/m2净化剂,净化剂为重量份3:1.2:2.3的凤眼莲根、剪股颖草、麦蓝菜,调节水温28℃,盐度32,pH8.0,溶解氧8mg/L,透明度90cm;
S3、苗种放养:选择体长规格4cm的苗种,按800尾/m2投放,投喂人工搭配饲料,一天投喂三次,上午投喂量为鱼苗数量的5%,中午和傍晚投喂量为3%,所述人工搭配饲料为米糠8份、纵条肌海葵10份、大叶青12份、车前草11份、左黑果3份、银杏叶6份、黄虫粉5份、茧蛹粉6份。
S4、养殖管理:每隔12天换40%的水,水流速为10m3/min。
实施例3
一种高效的蓝子鱼的室外生态池塘人工育苗方法,包括以下步骤:
S1、养殖池处理:将养殖池四周清理干净,在阳光下暴晒4天,四周喷洒消毒剂,消毒剂为重量份比1.6:0.6:0.9的石灰、酒糟、过磷酸钙,喷洒量为0.4kg/m2,自然放置2天后铲入富硒底泥,底泥高度为池塘高度为5cm,再栽培水草,且水草栽培面积为池塘总面积的30%,所述水草为羽毛藻、麒麟菜、苔菜,种植面积比为2:4:4;
S2、水质处理:注水量为池塘高度的70%,喷淋20ml/m2净化剂,净化剂为重量份2:0.8:1.5的凤眼莲根、剪股颖草、麦蓝菜,调节水温25℃,盐度28,pH 7.6,溶解氧6mg/L,透明度80cm;
S3、苗种放养:选择体长规格3cm的苗种,按700尾/m2投放,投喂人工搭配饲料,一天投喂三次,上午投喂量为鱼苗数量的4%,中午和傍晚投喂量为2%,所述人工搭配饲料为米糠7份、纵条肌海葵8份、大叶青10份、车前草8份、左黑果2份、银杏叶4份、黄虫粉4份、茧蛹粉4份。
S4、养殖管理:每隔10天换30%的水,水流速为7m3/min。
实施例4
一种高效的蓝子鱼的室外生态池塘人工育苗方法,包括以下步骤:
S1、养殖池处理:将养殖池四周清理干净,在阳光下暴晒2天,四周喷洒消毒剂,消毒剂为重量份比0.3:0.4:0.7的石灰、酒糟、过磷酸钙,喷洒量为0.3kg/m2,自然放置1天后铲入富硒底泥,底泥高度为池塘高度为4cm,再栽培水草,且水草栽培面积为池塘总面积的20%,所述水草为羽毛藻、麒麟菜、苔菜,种植面积比为1:3:2;
S2、水质处理:注水量为池塘高度的60%,喷淋15ml/m2净化剂,净化剂为重量份1:0.5:0.8的凤眼莲根、剪股颖草、麦蓝菜,调节水温22℃,盐度25,pH7.2,溶解氧4mg/L,透明度60~90cm;
S3、苗种放养:选择体长规格2cm的苗种,按600尾/m2投放,投喂人工搭配饲料,一天投喂三次,上午投喂量为鱼苗数量的3%,中午和傍晚投喂量为1%,所述人工搭配饲料为米糠7份、纵条肌海葵8份、大叶青10份、车前草8份、左黑果2份、银杏叶4份、黄虫粉4份、茧蛹粉4份。
S4、养殖管理:每隔8天换20%的水,水流速为5m3/min。
实施例5
一种高效的蓝子鱼的室外生态池塘人工育苗方法,包括以下步骤:
S1、养殖池处理:将养殖池四周清理干净,在阳光下暴晒6天,四周喷洒消毒剂,消毒剂为重量份比3:0.8:1的石灰、酒糟、过磷酸钙,喷洒量为0.5kg/m2,自然放置3天后铲入富硒底泥,底泥高度为池塘高度为7cm,再栽培水草,且水草栽培面积为池塘总面积的40%,所述水草为羽毛藻、麒麟菜、苔菜,种植面积比为3:5:6;
S2、水质处理:注水量为池塘高度的80%,喷淋26ml/m2净化剂,净化剂为重量份3:1.2:2.3的凤眼莲根、剪股颖草、麦蓝菜,调节水温28℃,盐度32,pH8.0,溶解氧8mg/L,透明度90cm;
S3、苗种放养:选择体长规格4cm的苗种,按800尾/m2投放,投喂人工搭配饲料,一天投喂三次,上午投喂量为鱼苗数量的5%,中午和傍晚投喂量为3%,所述人工搭配饲料为米糠7份、纵条肌海葵8份、大叶青10份、车前草8份、左黑果2份、银杏叶4份、黄虫粉4份、茧蛹粉4份。
S4、养殖管理:每隔12天换40%的水,水流速为10m3/min。
对比例1
本对比例与实施例3的区别在于,养殖池处理中,消毒剂的喷洒量为0.9kg/m2,未铲入富硒底泥。
对比例2
本对比例与实施例3的区别在于,水质处理中,未喷洒净化剂。
对比例3
本对比例与实施例3的区别在于,苗种放养中,投放密度为900尾/m2,一天投喂三次,投喂量均为3~5%。
一、养殖情况
将本发明的实施例1~5和对比例1~3分为8个池塘进行养殖比较,养殖60天的后对脂肪含量、产量、肉质情况、存活率、平均体长等指标进行了统计,结果如下:
由上表可知,本发明高效的蓝子鱼的室外生态池塘人工育苗方法,实施例1~3中,在养殖池的处理下,科学配制消毒剂、净化剂,栽培水草,给予养殖池最优的养殖环境,合理配制海水淡水体积比,严格控制水质处理和投放密度,实施例3~5中,合理配制人工搭配饲料,科学喂养,控制喂养量,实施例3中的脂肪含量19%,平均体重281g,存活率95.63%,平均体长22.05;对比例1~3中,在养殖池处理中缺少底泥和净化剂,投放密度和人工饲料喂养量不同,导致在存活率等鱼体质量较实施例3低。
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 (5)
1.一种高效的蓝子鱼的室外生态池塘人工育苗方法,其特征在于:包括以下步骤:
S1、养殖池处理:将养殖池四周清理干净,在阳光下暴晒2~6天,四周喷洒消毒剂,喷洒量为0.3~0.5kg/m2,自然放置1~3天后铲入富硒底泥,底泥高度为池塘高度为4~7cm,再栽培水草,且水草栽培面积为池塘总面积的20~40%;
S2、水质处理:注水量为池塘高度的60~80%,喷淋15~26ml/m2净化剂,所述净化剂为重量份为(1~3):(0.5~1.2):(0.8~2.3)的凤眼莲根、剪股颖草、麦蓝菜,调节水温22~28℃,盐度25~32,pH 7.2~8.0,溶解氧4~8mg/L,透明度60~90cm;
S3、苗种放养:选择体长规格2~4cm的苗种,按600~800尾/m2投放,投喂人工搭配饲料,一天投喂三次,上午投喂量为鱼苗数量的3~5%,中午和傍晚投喂量为1~3%;
S4、养殖管理:每隔8~12天换20~40%的水,水流速为5~10m3/min。
2.如权利要求1所述的一种高效的蓝子鱼的室外生态池塘人工育苗方法,其特征在于:所述S1步骤中消毒剂为石灰、酒糟、过磷酸钙,重量份比为(0.3~3):(0.4~0.8):(0.7~1)。
3.如权利要求1所述的一种高效的蓝子鱼的室外生态池塘人工育苗方法,其特征在于:所述S2步骤中净化剂为重量份为2:0.8:1.5的凤眼莲根、剪股颖草、麦蓝菜。
4.如权利要求1所述的一种高效的蓝子鱼的室外生态池塘人工育苗方法,其特征在于:所述S2步骤中水草为羽毛藻、麒麟菜、苔菜,种植面积比为(1~3):(3~5):(2~6)。
5.如权利要求1所述的一种高效的蓝子鱼的室外生态池塘人工育苗方法,其特征在于:所述S3步骤中人工搭配饲料为米糠6~8份、纵条肌海葵7~10份、大叶青8~12份、车前草5~11份、左黑果1~3份、银杏叶2~6份、黄虫粉3~5份、茧蛹粉2~6份。
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