[OBSERVATIONS ON THE INFLUENCE OF ARTIFICIAL LIGHTING ON THE EGG PRODUCTION OF DUCKS].
D000818:Animals; D004372:Ducks; D004531:Eggs; D008027:Light; D008029:Lighting; D008460:Meat; D010507:Periodicity; D011200:Poultry; D012106:Research
EGGS; EXPERIMENTAL LAB STUDY; LIGHT; PERIODICITY; POULTRY
OBSERVA TII PRIVIND INFLUEN TA ILUMINATULUI ARTIFICIAL ASUPRA PRODUC TIEI DE OU A LA RA TE.