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Avian Pathology : Journal of the W.V.P.A|June 1, 1991
Humoral and local antibodies in chickens with mixed infection with three Mycoplasma speciesD Bencina, A Svetlin, D Dorrer, et al.
Avian Pathology : Journal of the W.V.P.A|June 1, 1991
Experimental infection of egg-laying hens with Salmonella enteritidis phage type 4P A Barrow, M A Lovell
Avian Pathology : Journal of the W.V.P.A|June 1, 1991
Heart rupture and haemopericardium in capercaillie (Tetrao urogallus) reared in captivityM Domingo, I Marco-Sanchez, A J Marco-Valle, et al.
Avian Pathology : Journal of the W.V.P.A|September 1, 1991
An Ulster 2C strain-derived Newcastle disease vaccine: vaccinal reaction in comparison with other lentogenic Newcastle disease vaccinesJ H van Eck, E Goren
Avian Pathology : Journal of the W.V.P.A|September 1, 1991
Duck hepatitis virus type I: studies with inactivated vaccines in breeder ducksP R Woolcock
Avian Pathology : Journal of the W.V.P.A|September 1, 1991
Mortality in psittacine birds resembling Pacheco's disease in SpainJ C Gomez-Villamandos, E Mozos, M A Sierra, et al.
Avian Pathology : Journal of the W.V.P.A|December 1, 1991
Studies of the pathology of velogenic Newcastle disease: virus infection in non-immune and immune birdsH Hamid, R S Campbell, L Parede
Avian Pathology : Journal of the W.V.P.A|December 1, 1991
Further studies on the development of a live attenuated vaccine against turkey rhinotracheitisR A Williams, C E Savage, K J Worthington, et al.
Avian Pathology : Journal of the W.V.P.A|December 1, 1991
Detection of viral antigen following exposure of one-day-old chickens to the Holland 52 strain of infectious bronchitis virusR L Owen, B S Cowen, A L Hattel, et al.
Avian Pathology : Journal of the W.V.P.A|December 1, 1991
Vaccination of village chickens in The Gambia against Newcastle disease using the heat-resistant, food-pelleted V4 vaccineJ Jagne, I Aini, K A Schat, et al.
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