Table 2 Descriptive changes in the fecal flora six weeks after orogastric ampicillin (50 mg/kg for three weeks)

E. coli

+

+

+

+

+

E.cloacae

+

-

-

-

-

Staphylococcus spp.

+

+

+

+

+

B. species

-

+

-

+

+

A.fumigatus

-

-

-

-

-

P.mirabilis

-

-

-

-

-

K. pneumonia

-

+

-

+

+

P.vulgaris

-

+

+

+

+

C.albicans

-

-

-

-

-

Streptococcus

-

-

-

-

-

C.tropicalis

-

-

-

+

-

R.radiobacter

-

-

-

+

+

Enterococcus species

-

-

-

+

-