Ishikawa et al., 1999. Japan. Poult. Sci., 36 (4): 275-283

Ishikawa, S. ; Murakami, H. ; Yamazaki, M. ; Tachikawa, M. ; Takemasa, M., 1999. Effect of carrot leaf supplementation on egg yolk beta-carotene content and egg quality. Japan. Poult. Sci., 36 (4): 275-283