Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Box plot of the measured absorbance at 420 nm of mixtures that were positive by the ONPG-based β-Gal test for S. aureus (n = 123), S. pseudintermedius (n = 12), and E. coli (n = 5) following incubation with ONPG for 24 h. The horizontal solid bar in each box represents the median, upper and lower boundaries of the boxes are the third and first quartiles of the data, and whisker bars above and below the box are the 90th and 10th percentiles, respectively.
