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Effect of eggshell color on the egg characteristics and hatchability of guinea fowl (Numida meleagris) eggs

Eleroðlu, H; Yldrm, A; Duman, M; Okur, N.
R. bras. Ci. avíc.; 18(n.esp 1): 61-67, Jul-Set. 2016. tab, ilus
Artigo em Inglês | VETINDEX | ID: vti-15524


The objective of this study was to determine the effects of eggshell color of guinea fowl (Numida meleagris) eggs on eggshell quality and hatchery results. The highest mean grey value (MGV), integrated density (ID), lightness (L*) and Hue angle (H*) values were obtained in eggs with lighter eggshell color. The effects of color difference (DE*) value levels on egg characteristics were evaluated. Eggshell color presented different (p < 0.01) MGV, ID, L*, redness (a*), yellowness (b*), H* and Chroma (C*) values. Eggs with lighter color presented thicker eggshells and lower egg weight loss on day 25 of incubation (p < 0.05) compared with intermediate and darker eggs. Eggshell color did not have any significant effect on fertility and hatchability (p > 0.05). In conclusion, under the conditions of the present study, eggshell color influenced eggshell thickness and weight loss, but not hatching parameters of guinea fowl eggs. Further studies on this subject should be carried out.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1