诱导产卵过程中 Cirrhinus mrigala 卵子的生化分析和受精成功率。

IF 2.2 2区农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Animal Reproduction Science Pub Date : 2024-10-02 DOI:10.1016/j.anireprosci.2024.107617

Shahid Sherzada , Tanveer Ahmad , Saeed Akram Khan , Muhammad Inayat , Sohail Ahmad , Abdur Rahman

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引用次数: 0

摘要

在水产养殖业中，鱼卵质量对生产健康的鱼种至关重要。卵黄是胚胎生长和发育的能量库。本研究评估了巴基斯坦三个不同孵化场（场址 1=帕克帕坦区鱼种孵化场；场址 2=卡苏尔区 Balloki 头 Sidhuwan 孵化场；场址 3=穆扎法格尔区兰普尔 Chenab 鱼孵化场）在诱导繁殖期间鱼卵的生化成分和质量。为此，共使用了 36 条（18 条雄鱼和 18 条雌鱼）育雏鱼，每个地点各 12 条（06 条雄鱼和 06 条雌鱼）。脂肪酸分析表明，三个不同地点之间存在显著差异。与其他地点相比，2 号地点的饱和脂肪酸，即棕榈酸（C16:0）和硬脂酸（C18:0）含量较高。单不饱和脂肪酸，即油酸（C18:1）和多不饱和脂肪酸，即二十二碳六烯酸（DHA）（C22:6）在 2 号产地的含量大大高于其他两个产地。蛋中的矿物质含量显示出显著差异，尤其是 2 号产地的矿物质含量明显高于其他产地，但铜（Cu）除外。在诱导产卵过程中，受精率和孵化率存在显著差异，其中 2 号产卵场的受精率和孵化率最高。结论是，卵子的生化成分，尤其是脂肪酸谱和矿物质含量，对养殖场饲养的乌塘鳢的胚胎发育和孵化成功率有很大影响。

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Biochemical analysis and fertilization success of Cirrhinus mrigala ova during induced spawning

Fish egg quality is very crucial in aquaculture sector for production of healthy seed. Egg yolk is an energy reservoir for growth and development of embryo. This study evaluated the biochemical composition and quality of Cirrhinus mrigala eggs at three different hatchery sites of Pakistan, (Site 1= Fish Seed Hatchery, District Pakpattan; Site 2= Sidhuwan Hatchery, Head Balloki, District Kasur; Site 3= Chenab Fish Hatchery, Rangpur, District Muzaffargarh) during induced breeding. For this, a total of 36 (18 males and 18 females) fish brooders, 12 (06 males and 06 females) from each site were utilized. Fatty acids analysis revealed significant differences among three different sites. Saturated fatty acids i.e., palmitic acid (C16:0) and stearic acids (C18:0) were higher at site 2 compared to the others sites. Monounsaturated fatty acids i.e., Oleic acid (C18:1) and polyunsaturated fatty acids i.e., Docosahexaenoic acid (DHA) (C22:6) exhibited considerably greater values at site 2 than those of other two sites. Egg mineral contents unveiled remarkable differences, particularly at site 2 indicating significantly higher mineral contents except copper (Cu) in comparison to the other sites. Significant variation exists in fertilization and hatching rates during induced spawning, with the highest values recorded at site 2. It is concluded that biochemical composition of egg especially fatty acid profile and mineral content greatly influences the embryonic development and hatching success of farm reared Cirrhinus mrigala.

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来源期刊

Animal Reproduction Science 农林科学-奶制品与动物科学

CiteScore

4.50

自引率

9.10%

发文量

136

审稿时长

54 days

期刊介绍： Animal Reproduction Science publishes results from studies relating to reproduction and fertility in animals. This includes both fundamental research and applied studies, including management practices that increase our understanding of the biology and manipulation of reproduction. Manuscripts should go into depth in the mechanisms involved in the research reported, rather than a give a mere description of findings. The focus is on animals that are useful to humans including food- and fibre-producing; companion/recreational; captive; and endangered species including zoo animals, but excluding laboratory animals unless the results of the study provide new information that impacts the basic understanding of the biology or manipulation of reproduction. The journal''s scope includes the study of reproductive physiology and endocrinology, reproductive cycles, natural and artificial control of reproduction, preservation and use of gametes and embryos, pregnancy and parturition, infertility and sterility, diagnostic and therapeutic techniques. The Editorial Board of Animal Reproduction Science has decided not to publish papers in which there is an exclusive examination of the in vitro development of oocytes and embryos; however, there will be consideration of papers that include in vitro studies where the source of the oocytes and/or development of the embryos beyond the blastocyst stage is part of the experimental design.