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The aim of the study was to determine the effect of feed ration with a variable content of carbohydrates on the production performance of blue arctic fox. The research included 60 blue arctic foxes which were divided into two groups: experimental (30 individuals) and control (30 individuals). The experimental group, compared to the control group, was fed with a ration with a higher level of carbohydrates,...
W oparciu o dostępną literaturę przedstawiono najważniejsze informacje dotyczące środowiska życia wydry europejskiej, przystosowania się do ziemno-wodnego trybu życia, behawioru i rozrodu oraz występowania i ochrony tych zwierząt. Wydra europejska (Lutra lutra) zamieszkuje najczęściej rzeki, stawy, rowy i potoki o brzegach bogatych w roślinność, dającą zwierzęciu pokarm, poczucie bezpieczeństwa i...
Mean body weight gains in standard mink depending on the number of kits in a litter. The objective of the study was to determine the effect of litter size from which animals came on their weight at weaning and pre - slaughter, and as a consequence also on their mean daily gains. The study was conducted on a population of 330 mink, divided into groups depending on the size of litter from which they...
The study concerned observation of the behavior of Wrzosówka in xerothermic grasslands. The observations were conducted in xerothermic grasslands: 1 in the Lubuskie voivodeship and 6 - in Western Pomerania, during the period from 1 July to 30 September 2011. The tested flock consisted of 60 breeds of Wrzosówka sheep and 2 moggie goats. During the observations, particular attention was paid to the...
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