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Experimental Parasitology|October 1, 1985
Eimeria tenella: immunogenicity of arrested sporozoites in chickensT K Jeffers, P L LongPoultry Science|December 1, 1985
Eimeria tenella: relative survival of drug-resistant and drug-sensitive populations in floor pen chickensP L Long, J Johnson, S BaxterAvian Diseases|April 1, 1980
The use of sentinel birds to monitor coccidial infection in litter pensP L Long, J Johnson, P ReynaAvian Diseases|April 1, 1982
Attenuation of a strain of Eimeria mivati of U.S. origin by serial embryo passageP L Long, J Johnson, T C GorePoultry Science|October 1, 1980
Eimeria tenella: clinical effects in partially immune and susceptible chickensP L Long, J Johnson, R D WyattParasitology|June 1, 1985
Lethality of intestinal tissue extracts from Eimeria-infected chickensM E McKenzie, J Johnson, P L LongPoultry Science|February 1, 1988
Anticoccidial activity of combinations of narasin and nicarbazinP L Long, J Johnson, M E McKenzieVeterinary Parasitology|October 1, 1990
Studies on the stage of action of lasalocid against Eimeria tenella and Eimeria acervulina in the chickenV Guyonnet, J K Johnson, P L LongThe Journal of Protozoology|November 1, 1984
Nucleolar hypertrophy as an indicator of transcription in cells infected with second generation meronts of Eimeria tenellaW C Marquardt, J H Bryan, P L LongAvian Pathology : Journal of the W.V.P.A|January 1, 1986
The pathogenicity, immunogenicity and endogenous development of a precocious line of Eimeria brunettiJ K Johnson, P L Long, M E McKenziePageof 7