Empirical analysis reveals breeding traits of dairy cattle, suggesting the importance of genetic grouping.
A comprehensive analysis of dairy breeds of the steppe zone of Ukraine in terms of their general characteristics, as well as their groupings using generalizing indicators. Empirical methods of obtaining knowledge were used in the studies; the theoretical level of research is present (determines the empirical in terms of study possibilities), but has a subordinate value. The analysis of the features of the formation of a complex of breeding traits was carried out from the position of the population approach strategy as a methodology for using statistical research methods. A group of daughters of an individual bull-breeder acts as an elementary unit of comprehensive analysis. The comprehensive analysis is based on the results of the assessment of genetic groups of daughters of individual bull-breeders, which give a holistic idea of the patterns and essential characteristics of factory herds of dairy breeds and their gene pools as a whole. To create a certain level of group integrity, it is advisable to use the results of the assessment of animals by a complex of traits, based on a single indicator, which significantly simplifies the assessment. The obtained research results indicate the essential properties of dairy breeds, which express the attitude towards obtaining generalizing indicators that reflect the central tendency of the organization of genetic structures of breeding bulls on the axis of trait values and are characterized by complete independence from extreme values. Gene pool herds, breeds are formed by a certain number of breeding bulls, therefore the total effect of their use can be expressed through the indicators of average values.
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Chekhivsky et al. (2025) studied this question.
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