Natural Spawning Technique of Koi Fish (Cyprinus carpio) in the Ciparanje Inland Fisheries Area, Sumedang, Indonesia

Y. Andriani, R. Pratama
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Abstract

The Ciparanje inland aquaculture area has emerged as a hub for breeding ornamental fish, with koi fish being a prominent species. The increasing demand for koi fish has led to a surge in koi aquaculture businesses. What sets koi fish apart from some other fish species is their ability to breed throughout the year, unaffected by specific seasons. However, in their natural habitat, koi fish typically spawn at the onset of the rainy season, triggered by the enticing aroma of the soil. The growth of koi fish is influenced by various factors, including fish species, genetic characteristics, feeding efficiency, disease resistance, and environmental conditions such as water and feed quality, as well as stocking density. To ensure the production of top-quality koi fish fry, it is crucial to employ the appropriate spawning techniques. In this study, a participative approach was employed to investigate and report on the natural spawning procedures of koi fish in the Ciparanje inland aquaculture area, managed by Padjadjaran University. The natural spawning method implemented in this area encompasses several crucial processes, including the preparation of spawning ponds, selection of breeding stock, egg hatching, and larvae rearing. A total of 90,175 eggs were collected from the examined koi broodstock during the spawning activities, and an impressive 80% of these eggs successfully hatched. The calculated Hatching Rate (HR) reached 96.5%, indicating a high level of achievement in the hatching of koi fish larvae.
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印度尼西亚苏梅当市金巴兰杰内陆渔区锦鲤自然产卵技术研究
钦巴兰杰内陆水产养殖区已成为养殖观赏鱼的中心,锦鲤是一个突出的品种。对锦鲤的需求不断增加,导致锦鲤养殖业务激增。锦鲤与其他鱼类的区别在于它们全年繁殖的能力,不受特定季节的影响。然而,在它们的自然栖息地,锦鲤通常在雨季开始时产卵,这是由土壤诱人的香气引发的。锦鲤的生长受多种因素的影响,包括鱼种、遗传特性、饲养效率、抗病性、水和饲料质量等环境条件以及放养密度等。为了保证生产出高质量的锦鲤鱼苗,采用合适的产卵技术至关重要。在本研究中,采用参与式方法调查和报告了由Padjadjaran大学管理的Ciparanje内陆水产养殖区锦鲤的自然产卵过程。该地区实施的自然产卵法包括几个关键过程,包括产卵池的准备、种畜的选择、卵的孵化和幼虫的饲养。在产卵活动期间,共收集了90,175枚卵,其中80%的卵成功孵化。计算出的孵化率(HR)达到96.5%,表明锦鲤幼鱼的孵化成功率较高。
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