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Factor analysis as a basis for mathematical modeling in living systems

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Abstract

Factor analysis, as the basis of mathematical modeling of living systems, is based on the interdependence of individual characteristics that form the specifics of a particular property, quality. The study is based on the method of factor analysis, which allows us to speed up the assessment of producers of Kalmyk and Hereford cattle breeds by the quality of their offspring. The studies were conducted on a large sample of data, including various evaluation parameters of 96 breeding bulls and 272 sons. Indicators have been developed for one feature, which is quite suitable for the preliminary selection of steers in breeding and commodity farms engaged in the breeding of beef cattle. For the final assessment, we have compiled new indicators as follows: two indicators - live weight at 8 and 15 months, live weight at 15 months and average daily increase from 8 to 15 months; three characteristics - live weight at 8, 15 months and average daily increase. These indicators are objective and easily measurable over a relatively short period of time. According to the estimates obtained for individual sons, it is possible to determine the evaluation of breeding bulls by the quality of offspring by summing the values of the new factors.

Imprint

Alexey Zelenkov, Galina Zelenkova, Antonina Pahomova, Alexander Pakhomov. Factor analysis as a basis for mathematical modeling in living systems. Cardiometry; Issue 19; August 2021; p.93-99; DOI: 10.18137/cardiometry.2021.19.9399; Available from: https://www.cardiometry.net/issues/no19-august-2021/factor-analysis-as-a-basis

Keywords

Factory analysis,  Mathematics in biotechnological approach,  Bull,  Kalmyk and Hereford cattle breeds,  Live weight,  Average daily increase,  Assessment,  Offspring
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