Analysis of productive and biological parameters of age-1+ carps obtained from reciprocal crosses of Antonino-zozulenets and Halych framed breeds

Author:

Krasnopolska O., ,Kurinenko G.,

Abstract

Purpose. To provide a comprehensive characterization of productive and biological parameters of crossbred age-1 and 1+ carps obtained from the crossbreeding of the Halych and Antonino-Zozulenets intrabreed type of Ukrainian carp breeds in the 2nd year of life and to conduct a comparative analysis with pure parental lines. Methodology. The material for the study were age-1+ individuals of the Antonino-Zozulenets and Halych carps. The main productive and biological parameters were studied during spring and autumn harvests as well as test fishing during the growing season according to generally accepted methods in fish farming. The external evaluation of the experimental groups was carried out according to the following parameters: body weight and length, body height, body girth. Measurements were made with a centimeter tape with an accuracy of 1 mm. Individual weighing was carried out on electronic commercial scales with an accuracy of 1 g. Based on the results of the measurements, the main exterior parameters were analyzed and determined: body length to girth ratio, body length to height ratio, body length to head length ratio. Findings. The study showed that among the reciprocal crossings of Halych and Antonino-Zozulenets carps, age-1+ carps obtained from the crossing of an Antonino-Zozulenets framed female and a Halych framed male were characterized by a higher growth rate. The superiority over the pure line of the Antonina-Zozulenets carp was 21.4% and the Halych carp — 14.1%. At the same time, the daily growth rates during the growing season were in the range of 1.31 - 4.16 g. The survival rate in crossbred age-1+ carps from crossing ♀AZFC x ♂HFC was 90%, ♀ HFC x ♂ AZFC - 94%, pure lines of the Halych carp 85%, Antonino-Zozulenets — 92%. Based on the average values of individual body weight and survival rate, the fish productivity was in the range of 481.8 - 681.3 kg/ha. Originality. For the first time in the conditions of Ukraine, a comparative analysis of productive and biological parameters of reciprocal offspring of the Halych and Antonino-Zozulenet carps in the second year of life was carried out in comparison with pure lines. Practical value. The results of the analysis of productive and biological parameters will allow providing recommendations on the use of these hybrids as new promising lines for commercial cultivation in the Polissia zone of Ukraine. Key words: carp, selective breeding, inbred type, generation, exterior, weight, condition factor.

Reference11 articles.

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