Malik et al.
5.2 × 10 7 CFU/ml was attained on day 10. Generation time
log phase lasted for 7 days. Maximum bacterial population
for S 3 was 10.52 hrs.
of 7.9 × 10 7 CFU/ml was attained on day 9. Generation
time for S 10 was 10.10 hrs.
Growth of isolates, obtained from poultry cloacal
Isolate S 11 : It had bacterial count of 5.4 × 10 3 CFU/ml
swabs, at 10°C at pH 6.5
on day zero and attained maximum population of 7.8 ×
10 8 CFU/ml on day 9. The lag phase and log phase lasted
Isolate S 4 : The initial bacterial count of the isolate was 5.6
× 10 3 CFU/ml. Lag phase was of 2 days duration and log
for 2 and 7 days respectively. Generation time for S 11 was
phase lasted for days. Maximum bacterial population of
10.00 hrs.
6.9 × 10 8 CFU/ml was attained on day 10. Generation time
for S 1 was 10.20 hrs.
Growth of Salmonella isolates at 10°C with pH of 5.5
Isolate S 5 : It had bacterial count of 3.8 × 10 4 CFU/ml on
Growth of isolates, obtained from raw poultry meat, at
day zero and attained maximum population of 4.1 × 10 9
10°C at pH 5.5
CFU/ml on day 10. The lag phase and log phase lasted
for 2 and 7 days respectively. Generation time for S 5 was
Isolate S 1 : The initial bacterial count of the isolate was 4.1
10.00 hrs.
× 10 3 CFU/ml. Lag phase was of 3 days duration and log
phase lasted for 9 days. Maximum bacterial population of
Isolate S 6 : The bacterial count of the isolate was 6.4 × 10 2
6.8 × 10 7 CFU/ml was attained on day 12. Generation time
CFU/ml on day zero. Lag phase was of 2 days duration and
for S was 15.87 hrs.
log phase lasted for 7 days. Maximum bacterial population
1
of 8.3 × 10 7 CFU/ml was attained on day 9. Generation
Isolate S 2 : S 2 had bacterial count of 2.9 × 10 4 CFU/ml on
time for S 6 was 11.11 hrs.
day zero and attained maximum population of 6.4 × 10 8
CFU/ml on day 12. The lag phase and log phase lasted
Isolate S 7 : The initial bacterial count of the isolate was 5.6
for 3 and 9 days respectively. Generation time for S was
× 10 3 CFU/ml. Lag phase was of 2 days duration and log
2
15.62 hrs.
phase lasted for 7 days. Maximum bacterial population of
7.9 × 10 8 CFU/ml was attained on day 9. Generation time
Isolate S 3 : The initial bacterial count of the isolate was 2.4
for S 7 was 10.00 hrs.
× 10 5 CFU/ml. Lag phase was of 3 days duration and log
phase lasted for 9 days. Maximum bacterial population of
Growth of isolates, obtained from eggs, at 10°C at pH
5.2 × 10 9 CFU/ml was attained on day 12. Generation time
6.5
for S 3 was 15.43 hrs.
Isolate S 8 : It had bacterial count of 3.6 × 10 3 CFU/ml on
Growth of isolates, poultry cloacal swabs, at 10 0 C at
day zero and attained maximum population of 8.1 × 10 8
pH 5.5
CFU/ml on day 9. The lag phase and log phase lasted for 2
and 7 days respectively. Generation time for S 8 was 10.00
Isolate S 4 : The initial bacterial count of the isolate was 4.2
hrs.
× 10 3 CFU/ml. Lag phase was of 3 days duration and log
phase lasted for 9 days. Maximum bacterial population of
Growth of isolates, obtained from human diarrheic
9.8 × 10 7 CFU/ml was attained on day 12. Generation time
cases, at 10°C at pH 6.5
for S 4 was 15.29 hrs.
Isolate S : The initial bacterial count of the isolate was 3.8
Isolate S 5 : It had bacterial count of 4.6 × 10 4 CFU/ml on
9
× 10 4 CFU/ml. Lag phase was of 2 days duration and log
day zero and attained maximum population of 8.4 × 10 8
phase lasted for 7 days. Maximum bacterial population of
CFU/ml on day 12. The lag phase and log phase lasted
3.6 × 10 9 CFU/ml was attained on day 9. Generation time
for 3 and 9 days respectively. Generation time for S 5 was
15.64 hrs.
for S 9 was 10.40 hrs.
Isolate S : The initial bacterial count of the isolate was
Isolate S 6 : The bacterial count of the isolate was 3.4 × 10 3
10
6.4 × 10 2 CFU/ml. Lag phase was of 2 days duration and
CFU/ml on day zero. Lag phase was of 3 days duration and
90
Journal of Animal Research: v.5 n.1. April 2015