Effect of Photoperiodism and Feeding Regime on egg Production and Quality of the Fowl

Faculty	Agriculture	Year:	1989
Type of Publication:	Theses	Pages:	115
Authors:	Wafaa Ahmed Hasab El-Naby
		BibID	10413651
Keywords :	Eggs
Abstract:	study the effect of summer and outomn, some lighting reqimes (natural-day as continuous and photoperiodism i6l; 8d) ; dietary calcium level (2.53.25, and 4%) on the laying performance, egg quality , fertility and hatchability of gimmiza layers.

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