得到加利西亚鲤鱼群的批准

V. Gurbyk, O. Striletsky, H. Kurinenko, V. Tkachuk, Yu. Chernik
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引用次数: 0

摘要

目的。对国营企业“利沃夫试验站”原养殖场“Korop”养殖场和“Dzherelo”养殖场加利西亚鲤鱼群的繁殖指标和外部特征进行评价。方法。本研究是根据普遍接受的养鱼和养殖方法,利用统计处理和数据分析进行的。采用质量选择和定向选择相结合的方法,改善了加利西亚鲤鱼的生产性状。选择的任务是获得加利西亚群体的种畜,这将确保在生命的第一年产生高个体体重的后代。发现。加利西亚鲤鱼幼鱼的成熟年龄为雄性3-4岁,雌性4-5岁。在工业繁殖条件下经垂体刺激后,幼鱼的阳性反应率达到92%以上。在第一年形成加利西亚鲤鱼繁殖种群时,选择强度为15%。以个体平均体重为基础的定向选择从生命的第二年开始。1岁以上加利西亚鲤鱼组的选择强度为50%,随后该参数超过85%。加利西亚鲤鱼群的繁殖发生在产卵池和工业条件下。雌鱼的工作产卵量为1256.0±132.8万个卵,相对产卵量为127.5±5.52万个卵/kg,与乌克兰框架鱼相比,具有较高的产卵量。加利西亚鲤鱼在池塘中繁殖时,一个窝3天大的幼鱼产量达24.1万条。根据所获得的数据,从外部指标来看,加利西亚鲤鱼群的特点是高背的体格和肉质结构,并终生保存。鉴于所进行的研究,加利西亚鲤鱼群完全符合畜牧业选择成果批准条例的要求,可以作为乌克兰框架和鳞片鲤鱼品种的一种内种提交有关部门审议和批准。创意。对加利西亚鲤鱼的繁殖指标进行分析,将为介绍加利西亚鲤鱼在种内类型中的地位及其作为一种选择成果的认可提供依据。实用价值。所获得的结果将有助于扩大加利西亚鲤鱼群在乌克兰和国外的水产养殖。育苗材料作为选择的对象,将涉及与框架鲤鱼混合工作。关键词:养殖,鲤鱼,库存,分级,杂交,组织产卵,繁殖。
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To the approval of the Galician carp group
Purpose. To evaluate the reproductive indicators and exterior characteristics of the breeding brood stock of the Galician carp group at the original farms, namely farms "Korop" and "Dzherelo", State Enterprise "Lviv Experimental Station". Methodology. The study was conducted according to generally accepted methods in fish farming and breeding using statistical processing and data analysis. The productive features of the Galician carp were improved by the method of mass selection and directional selection. The tasks of the selection were to obtain a breeding stock of the Galician group, which will ensure the production of offspring with high individual weight in the first year of life. Findings. The age of maturity in brood Galician carp was 3-4 years in males and 4-5 years in females. After pituitary stimulation in the conditions of industrial reproduction, a positive reaction of the brood fish was established, which exceeded 92%. When forming breeding stocks of Galician carp in the first year of life, the intensity of selection was 15%. Directional selection on the basis of average individual weight started on the second year of life. The intensity of selection of age-1+ Galician carp group was 50%, then this parameter exceeded 85%. Reproduction of the Galician carp group occurred in spawning ponds and in industrial conditions. Working fertility of females was 1256.0 ± 132.80 thousand eggs, relative fertility - 127.5 ± 5.52 thousand eggs/kg, which was quite high in comparison with the Ukrainian framed carp. During the reproduction of Galician carp in ponds, the yield of three-day-old larvae from one nest amounted to 241 thousand individuals. According to the obtained data, based on the exterior indicators, the Galician carp group is characterized by a high-backed physique and fleshy structure, which is preserved throughout life. In view of the conducted study, the Galician carp group fully complies with the requirements of the Regulation on approbation of selection achievements in animal husbandry and can be submitted to the relevant authorities for consideration and approval as an intrabreed type of Ukrainian framed and scaly carp breeds. Originality. The analysis of reproductive indicators of the breeding brood stock of Galician carp will serve as a basis for the presentation of this group in the status of intrabreed type and its approval as a selection achievement. Practical value. The obtained results will contribute to the expansion of the Galician carp group both in the aquaculture of Ukraine and abroad. Breeding brood material as an object of selection will be involved in work with framed carp mixes. Key words: breeding, carp, inventory, grading, crossbreeding, organization of spawning, reproduction.
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