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Obecnie ponad połowa mieszkańców globu zamieszkuje tereny zurbanizowane. Doprowadziło to do wyraźnego zagęszczenia ludności w miastach w przeciągu kilku ostatnich dziesięcioleci, a tym samym zmienił się tryb ich życia. W wielotysięcznych miastach coraz trudniej jest znaleźć pretekst i możliwość do nawiązania bliższych relacji z otaczającymi nas ludźmi. Działania artystyczne związane z tworzeniem i...
Effect of naked oats used for gilts on the state of their reproductive organs and selected reproductive indicators of sows. The study was carried out on 180 Polish Landrace gilts. The animals were assigned to three groups, two experimental and one control, with 60 individuals in each. The gilts were fed complete mixed rations in amounts consistent with the norms given in Swine Feeding Standards (1993)...
The optimal body condition of gilts and sows significantly influences their future reproductive results. The aim of the study was to determine the effect of naked oats used in feed rations for gilts on their diets and on changes in body weight and backfat thickness during gestation and lactation. The study was carried out on Polish Landrace gilts raised on a breeding farm. Three gilts weighing about...
The aim of the study was to determine the chemical composition of the colostrum and milk of sows fed diets containing naked oats. The study was carried out on 45 Polish Landrace sows assigned to three groups, 2 experimental and one control, with 15 individuals in each group. In the late gestation period the sows were also fed a diet including naked oats. The ration fed to the experimental groups contained...
The aim of the study was to determine the effect of growth rate and lean meat content in Polish Large White boars on their semen characteristics. On the basis of the results of performance testing carried out on the 180th day of life, the boars analysed were divided into three groups according to their daily weight gain (I – 751–800 g; II – 801–850 g; and III – 851–900), and additionally into three...
The paper contains the evaluation of the influence of feeding the Pulawska x Polish Large White swine hybrids using mixture feeds containing naked oats on reproduction performance indicators. The study involved 60 gilts divided into 3 groups: group I received a full-rate mixture with 40% participation of naked oats, group II with 20% naked oats, and group III - control, fed with a full-rate mixture...
The objective of the research was to analyze the slaughter value of Pulawska breed swine and crossbreeds with Hampshire and European wild boar (Sus scrofa scrofa) with a defined genotype of the ryanodine-receptor gene (RYR1). The study involved fatteners derived from crossing Pulawska pigs with a boar crossbred between Hampshire x wild boar. The Pulawska breed fatteners constituted the control. The...
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