Studies on Immunization Programmes Adopted In Commercial chicken Flocks Against New Newcastle Disease

Faculty	Veterinary Medicine	Year:	1983
Type of Publication:	Theses	Pages:	317
Authors:	Victor A El-Saiad
		BibID	10081201
Keywords :	Poultry
Abstract:	The frequent .failure of specific immunization programmes against 1I ewcastle disease (I.JD) in commez-ef.al. chicken farm.s has promoted the present Lnve s t Lg a’t Lon s to evaluate the effectiveness of .some cur-r-en t Ly ado pt ed and tied vac cdn atu

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