MILCHKÜHE + MILCHRINDER (RINDERHALTUNG); ENERGIEMETABOLISMUS (TIERPHYSIOLOGIE); STICKSTOFFMETABOLISMUS + PROTEINMETABOLISMUS (TIERPHYSIOLOGIE); HOLSTEIN-FRIESIAN + SCHWARZBUNTE + SCHWARZFLECKVIEH (RINDERZUCHT); BRITISCHE MILCHRASSEN, SHORTHORN, JERSEY, ETC. (RINDERZUCHT); ROTFLECKVIEH + SIMMENTALERVIEH (RINDERZUCHT); MILCHSEKRETION (TIERPHYSIOLOGIE); DAIRY CATTLE (CATTLE FARMING); ENERGY METABOLISM (ANIMAL PHYSIOLOGY); NITROGEN METABOLISM + PROTEIN METABOLISM (ANIMAL PHYSIOLOGY); HOLSTEIN-FRIESIAN + BLACK PIED CATTLE + BLACK-AND-WHITE FRIESIAN (CATTLE BREEDING); BRITISH DAIRY BREEDS, SHORTHORN, JERSEY, ETC. (CATTLE BREEDING); RED SPOTTED CATTLE + SIMMENTAL CATTLE (CATTLE BREEDING); MILK SECRETION (ANIMAL PHYSIOLOGY)