ICS 67.080 CCS B 31 湖 43 南 省 地 方 标 准 DB43/T 2321—2022 团头鲂繁育技术规程 Technical regulations for breeding of blunt snout bream 2022 - 05 - 06 发布 2022 - 08 - 06 实施 湖南省市场监督管理局 发 布 DB43/T 2321—2022 目 次 前言························································································································ Ⅲ 1 范围 ····················································································································· 1 2 规范性引用文件 ······································································································ 1 3 术语和定义 ············································································································ 1 4 环境与设施 ············································································································ 1 4.1 水质 ··············································································································· 1 4.2 亲鱼培育池 ······································································································ 1 4.3 孵化设施 ········································································································· 1 5 亲鱼培育 ··············································································································· 2 5.1 亲鱼 ··············································································································· 2 5.2 水质管理 ········································································································· 2 5.3 饲养管理 ········································································································· 2 6 人工催产 ··············································································································· 2 6.1 亲鱼的选择 ······································································································ 2 6.2 催产激素 ········································································································· 2 6.3 注射剂量 ········································································································· 2 6.4 注射方法 ········································································································· 2 6.5 雌雄配比 ········································································································· 2 6.6 效用时间 ········································································································· 2 6.7 人工授精 ········································································································· 3 7 人工孵化 ··············································································································· 3 7.1 孵化密度 ········································································································· 3 7.2 孵化管理 ········································································································· 3 8 鱼苗培育 ··············································································································· 3 9 制种档案记录 ········································································································· 3 I DB43/T 2321—2022 II DB43/T 2321—2022 前 言 本文件按照 GB/T 1.1—2020《标准化工作导则 第 1 部分：标准化文件的结构和起草规则》的规 定起草。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由湖南省农业农村厅提出。 本文件由湖南省农业标准化技术委员会归口。 本文件起草单位：湖南师范大学、湖南省生物研究所、湖南省水产科学研究所。 本文件主要起草人：肖亚梅、刘文彬、符文、彭亮跃、罗凯坤、刘锦辉、王冬武、何志刚、李金龙、 曾国清、李绍明。 III DB43/T 2321—2022 IV DB43/T 2321—2022 团头鲂繁育技术规程 1 范围 本文件规定了团头鲂繁育的环境与设施、亲鱼培育、人工催产、人工孵化、鱼苗培育和制种档案记 录的要求。 本文件适用于团头鲂的繁育。 2 规范性引用文件 下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件， 仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于本 文件。 GB 3838 地表水环境质量标准 GB/T 5055 青鱼、草鱼、鲢、鳙 亲鱼 GB 11607 渔业水质标准 NY/T 755 绿色食品 渔药使用准则 NY/T 5361 无公害农产品 淡水养殖产地环境条件 SC/T 1077 渔用配合饲料通用技术要求 DB43/T 634 畜禽水产养殖档案记录规范 3 术语和定义 本文件没有需要界定的术语和定义。 4 环境与设施 4.1 水质 应符合 GB 3838、GB 11607 的规定。 4.2 亲鱼培育池 2 2 宜为方形土池，面积 1500 m ～2000 m ，池深 2.5 m～3 m，池底平整，配置 1.5 kW 叶轮式增氧机 1 台。 4.3 孵化设施 4.3.1 孵化池 长 4 m、宽 2 m、深 1.5 m，配置粘卵板 20～25 块，底部安装喷水管、充气管。 1 DB43/T 2321—2022 4.3.2 粘卵板 用不锈钢或铝材制成长 120 cm、宽 65 cm 的框架，将 40 目纱布固定在框架上。 5 亲鱼培育 5.1 亲鱼 经群体选育的雌雄团头鲂亲鱼分池培育，每亩池塘放养亲鱼 300 尾～500 尾。放养前，用 3％的氯 化钠溶液浸泡消毒 10 min～15 min。亲鱼培育应符合 GB/T 5055 的规定。 5.2 水质管理 水源水质应符合 GB 11607 的规定，环境应符合 NY/T 5361 的规定。每 15 d～20 d 换注一次新水， 每次注水深度为 15 cm～20 cm，保持水深 1.5 m～2.0 m，保证溶氧量≥4.0 mg/L。 5.3 饲养管理 饲料以配合饲料为主，应符合 SC/T 1077 的规定，粗蛋白含量≥30％。日投喂量为鱼体重的 2％～ 5％，每日投喂 2 次～3 次。 6 人工催产 6.1 亲鱼的选择 每年 5 月上旬～6 月中旬，繁殖水