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. 2023 Sep 13;12(9):1444. doi: 10.3390/antibiotics12091444

Table 1.

Experimental group design for Staphylococcus pseudintermedius challenge.

Group Number
of Rats 		Challenge Treatment
Group 1 10 PBS PBS
Group 2 10 Staphylococcus pseudintermedius
(9 × 104 CFU) 		PBS
Group 3 10 Staphylococcus pseudintermedius
(9 × 104 CFU) 		Sterile MRS broth
Group 4 10 Staphylococcus pseudintermedius
(9 × 104 CFU) 		Clindamycin (11 mg/kg)
Group 5 10 Staphylococcus pseudintermedius
(9 × 104 CFU) 		Concentrated CFS of
L. animalis SWLA-1

Ten rats in each group were inoculated with 20 µL of pre-cultured bacterial inoculum (4.5 × 106 CFU/mL) per animal, which is equivalent to 9 × 104 CFU (except for animals in Group 1, which acted as Staphylococcus-negative controls). PBS, Phosphate buffered saline; MRS, Man Rogosa and Sharpe broth; CFS, cell-free supernatant.