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Sirri et al., 2007. J. Appl. Poult. Res., 16 (3): 429-437

Document reference 
Sirri, F. ; Iaffaldano, N. ; Minelli, G. ; Meluzzi, A. ; Rosato, M. P. ; Franchini, A., 2007. Comparative pigmentation efficiency of high dietary levels of apo-ester and marigold extract on quality traits of whole liquid egg of two strains of laying hens. J. Appl. Poult. Res., 16 (3): 429-437
Citation key 
Sirri et al., 2007