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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| Institution: | (1) Department of Botany, Faculty of Science, University of Cairo, Egypt, U.A.R. |
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| Abstract: | Summary Ascorbic acid reduced the agglutination activities of the various strains of Newcastle disease and fowl-plague viruses used but was in-effective with respects to their infectivity powers. |
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