[Improving the natural lighting of livestock barns].
D000818:Animals; D001798:Blood Proteins / Q000032:analysis; D002417:Cattle; D003612:Dairying; D005260:Female; D007136:Immunoglobulins / Q000032:analysis; D007774:Lactation; D008029:Lighting; D010587:Phagocytosis; D011247:Pregnancy; D005719:gamma-Globulins / Q000032:analysis
D001798:Blood Proteins; D007136:Immunoglobulins; D005719:gamma-Globulins
Uluchshit' estestvennuiu osveshchennost' zhivotnovodcheskikh pomeshcheniĭ.