Further studies on avian coryza

Faculty	Veterinary Medicine	Year:	1997
Type of Publication:	Theses	Pages:	152
Authors:	Maha Awad Allah El-Sayed
		BibID	343364
Keywords :	Avian coryza
Abstract:	In the course of this investigation on avian coryza to point out the necessity of adapting vaccination programs for prevention of the disease. For thus purpose two main experiments were studied. I- Seroepidemiological survey on the occurrence of HPG infec

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