Effect of some chemicals on the hemagglutination activities and infectivity to chick embryos of different strains of Newcastle disease and fowl-plague viruses |
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| Authors: | M. K. Tolba Josephine K. Eskarous |
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| Affiliation: | (1) Department of Botany, Faculty of Science, University of Cairo, Egypt, UAR |
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| Abstract: | Summary Crystal violet in concentrations above 100 p.p.m. induced appreciable inhibition of the hemagglutination and infectivity powers of the various strains of Newcastle disease and fowl-plague viruses being tested. |
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