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The presence of sacral furniture in social life in Poland is a universal phenomenon, exerting influence on the development of material and spiritual culture. The paper attempts at identifying the most important ergonomic and socio-economic factors determining the functionality of wooden pews used in Poznań, the capital of the oldest Polish diocese of the Roman Catholic Church. Hence, statistical relations...
The swine RYR1 (ryanodine receptor 1) gene is a major gene for meatiness, but its effect on the fatness and location of fat deposition is less known. A known mutation in this gene is responsible for a drastic deterioration of meat quality. We provide evidence that the mutation (c.1843T) alters FAT distribution between back fat and abdominal fat, which are of different value in meat processing.The...
In the analysis of dependencies between nominal traits entropy and its function, mutual information seems to be a proper descriptive statistic. This is shown by characterizing the relationships between the prolificacy of dams and selected genetic attributes: the genotype of transferrin, the genotype of hemoglobin, and the type of birth, as well as the environmental attribute, i.e., year of birth....
The objective of the present study was to evaluate relationships among recorded traits in a 100-day stationary performance test in warmblood stallions in Poland. The possibility of reducing the number of recorded traits was assessed as well. The data are from 582 warmblood stallions undergoing a 100-day test in 2002-2010 at two Polish training centres. The stallions were pre-selected on nine single...
The paper presents a procedure to identify promising, chilling-insensitive cucumber genotypes from a pool of 55 breeding lines. Selected genotypes may constitute valuable material in further selection of high-yielding cultivars in moderate climate. The approach is based on determining nitrate (NO3–) content, nitrate reductase activity (NRA) and chlorophyll content (Chl) in cotyledons of cucumbers...
Background. Constant improvement of animal feed formulas calls for new raw materials. In the feeding of fish, one of diet recipe optimization methods is to search for feed protein sources alternative to fish meal. The presently reported study focuses on an unconventional protein source—the erythrocyte meal—for feeding fry of common carp. Materials and Methods. The barothermal method (extrusion) was...
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