|
Treatment†
|
---|
Phenotype
|
CON % (n)
|
T % (n)
|
TS % (n)
|
V % (n)
|
---|
AMP
|
100 (26)
|
100 (13)
|
100 (51)
|
100 (25)
|
CL
|
61.5a (16)
|
15.4b (2)
|
5.9b (3)
|
4.0b (1)
|
STR
|
38.5 (10)
|
23.1 (3)
|
13.7 (7)
|
40.0 (10)
|
TE
|
38.5c (10)
|
76.9b (10)
|
94.1a (48)
|
56c (14)
|
Total (
n
)
|
26
|
13
|
51
|
25
|
- † CON; no antibiotics added to supplement, T: chlortetracycline provided as Aureomycin 100-G fed at 11 ppm, TS: chlortetracycline + sulfamethazine, provided as Aureo S-700G (Alpharma Inc.) fed at 44 ppm and V: virginiamycin provided as V-Maxed at 31 ppm.