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Badania nad wpływem dodatku do dawki koncentratu tłuszczowego na wybrane wskaźniki użytkowe norek przeprowadzono w dwóch etapach w latach 1990-1991. Pierwszy etap badań obejmował żywienie młodych norek odmiany standard w okresie od odsadzenia od samic do zakończenia wzrostu i wykształcenia zimowej okrywy włosowej. W tym celu losowo wybrane zwierzęta podzielono na dwie grupy po 20 szt. o jednakowej...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.