68
Maria T. Pavlova, Elizabeth Beauvais, Francis T. Brezenski and Warren Litsky
Table 1
Distribution of fecal streptococci in water and sewage
Streptococcal
Species
S. faecal is
S.liquefaciens
S. faecium
S. durans
Streptococcus D
W A T E R
Number of Strains
27
40
27
21
115
Percent
24
35
23
18
100
S E W A G E
Number of Strains
38
9
4
0
51
Percent
74
18
8
0
100
Table 2
A comparison of biochemical, precipitin and
FA reactions of the fecal streptococci isolated from water and sewage
Streptococcal
Number of Strains Isolated
Percent Positive
Percent Positive
Species
Typical
Atypical
Precipitin Reactions
FA Reactions
S. faecalis
S. liquefaciens
S. faecium
S. durans
Streptococcus D
5
20
3
4
32
15
0
17
16
48
30
65
35
0
32.5
70
70
45
55
66.3
Table 3
Percent positive FA reactions by fecal streptococci
with pooled D conjugate employing direct staining method
STREPTOCOCCAL
SPECIES
FA REACTIONS
POOLED
S. Faecalis
S. Liquefaciens
S. Zymogenes
S. Faecium
S. Durans
S. Bovis
Streptococcus D
80
100
67
70
80
90
81