Human Streptococcus agalactiae Isolate in Nile Tilapia (Oreochromis niloticus)
Joyce J. Evans , Phillip H. Klesius, David J. Pasnik, and John F. Bohnsack
Author affiliations: US Department of Agriculture, Chestertown, Maryland, USA (J.J. Evans, D.J. Pasnik); US Department of Agriculture, Auburn, Alabama, USA (P.H. Klesius); University of Utah Health Sciences Center, Salt Lake City, Utah, USA (J.F. Bohnsack)
Figure. Mortality rates for 60 Nile tilapia at all doses (black line) and 10 tilapia each challenged with a human Streptococcus agalactiae isolate (#510012): 102 (gray line), 103 (green line), 106 (red line), and 107 (blue line) CFU/fish. No deaths occurred at 104 and 105 CFU/fish or in tryptic soy broth controls.
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