Кафедра біології продуктивності тварин ім. академіка О.В. Квасницького
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Перегляд Кафедра біології продуктивності тварин ім. академіка О.В. Квасницького за Ключові слова "breed"
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Документ Components of physicochemical properties and chemical composition of muscle tissue of young pigs of different growth intensities, the level of their phenotypic consolidation, and correlation(Lviv, Ukraine, 2023) Khalak, V.; Gutyj, B.; Voloshchuk, V. M.; Guta, Z.; Verbelchuk, T. V.; Ilchenko, M. O.; Ільченко, Марія ОлександрівнаThe work presents the results of the study of some biochemical indicators of blood serum, physicochemical properties, and chemical composition of muscle tissue of young pigs of the large white breed and the calculation of correlations between the main quantitative characteristics. The work was carried out in the agricultural formations of the Dnipropetrovsk region, the research center for biosafety and environmental control of agricultural resources of the Dnipro State Agrarian and Economic University, LLC “Globynskyi Myasokbinat” of the Poltava region, the zootechnical analysis laboratory of the Institute of Pig Breeding and Agro-industrial Production of the National Academy of Sciences and the animal husbandry laboratory of the state institution “Institute of Grain Crops of NAAS”.Публікація Evaluation of the Genotypes of Pigs of Different Origins According to the RYR1 and LEP Genes(Acta fytotechn zootechn, 2025) Ilchenko, M. O.; Ільченко, Марія ОлександрівнаUsing the polymerase chain reaction method in real-time, we investigated the polymorphism of the RYR1 and LEP genes in sows of the sizeable white breed of different origins. Following the purpose of the work, we conducted a study of the genetic structure of the above-mentioned genes in animals of French and Belgian breeds and their crossbreeds. No RYR1 gene polymorphism was detected. All experimental animals had the homozygous NN genotype. According to the genetic structure of the LEP gene, a significant difference has been established between animals of different origins. Animals of French breeding had a high frequency of the TT genotype, while in animals of other origins, this genotype did not occur at all. Accordingly, French breeding animals are characterized by a high frequency of the T allele and Belgian and crossbred animals are characterized by the A allele. In French breeding animals, there is a violation of the distribution of genotypes, according to Hardy-Weinberg. Obtaining animals of the desired genotypes among the experimental herd is possible due to the use of breeders with the appropriate genotypes for the studied genes.Публікація Reproductive performance traits and their discreteness in sows with dif- ferent intrabreed differentiation by the melanocortin-4 receptor gene MC4R(Ukrainian Journal of Veterinary and Agricultural Sciences, 2026-10-06) Fesenko, O. G.; Shaferivskyi, B. S.; Фесенко, Оксана Григорівна; Шаферівський, Богдан СергійовичThe article presents the results of a study of reproductive performance traits and their discreteness in Large White sows of French breeding with different intrabreed differentiation according to the melanocortin-4 receptor gene MC4R. The experimental part of the study and data analysis were conducted at Agroprime-Holding LLC, Odesa Region, in the Laboratory of Genetics and the Laboratory of Pig Breeding and Selection of the Institute of Pig Breeding and Agroindustrial Production of NAAS, as well as in the Animal Husbandry Laboratory of the State Institution Institute of Grain Crops of NAAS. The reproductive performance of sows with different genotypes for the melanocortin-4 receptor gene MC4R (MC4R GG – experimental group I; MC4R AG – experimental group II) was evaluated using the following quantitative traits: total number of piglets born, head; number of piglets at weaning at 28 days of age, head; litter weight at weaning at 28 and 60 days of age, kg; and piglet survival to weaning, %. The coefficient of discreteness of quantitative traits in sows of experimental groups I and II was calculated according to the method of Siromolot V. V. and Sviatchenko S. I. (1984). It was established that Large White sows of French breeding were characterized by high reproductive performance. In terms of total number of piglets born and litter weight at weaning at 60 days of age, the animals exceeded the minimum requirements for the elite class by 11.29 and 24.24 %, respectively.Документ Sazer-Fredin index — an effective method of assessing young pigs for feeding and meat qualities(2023-02-11) Khalak, V.; Gutyj, B.; Ilchenko, M. O.; Ільченко, Марія ОлександрівнаThe purpose of the work was to investigate the fanening and meat quality of young pigs of different intrabreed differentiation according to the Sazer-Fredin index and, based on the obtained data, to calculate the economic effi- ciency of the results of the experiment. The research was carried out in the Dnipropetrovsk region and the animal husbandry laboratory of the State Institution “Institute of Grain Crops of the National Academy of Sciences”.