Table 2.
Efficacy parameters for the treatment regimens procaine benzylpenicillin (PEN), oxytetracycline (OTC), and florfenicol (FLO) in 117 calves treated for respiratory disease on two farms, S and H. Percentage of calves fulfilling the criteria for the parameters: TEMP, RESP30, RESP60 and RESPtot; percentage of calves scored in the categories “Poor” or “Good” of parameter PTE; mean average daily live weight gain (ADG).
| Farm | PEN | OTC | FLO | PEN & OTC & FLO | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | H | S & H | S | H | S & H | S | H | S & H | S | H | S & H | |||
| No. of calves | 20 | 21 | 41 | 21 | 19 | 40 | 18 | 18 | 36 | 59 | 58 | 117 | ||
| TEMP | % (no./total) |
100 (20/20) |
100 (21/21) |
100 (41/41) |
90.5 (19/21) |
100 (19/19) |
95.0 (38/40) |
100 (18/18) |
100 (18/18) |
100 (36/36) |
96.6 (57/59) |
100 (58/58) |
98.3 (115/117) |
|
| RESP30 (n = 117) |
% (no./total) |
95.0 (19/20) |
85.7 (18/21) |
90.2 (37/41) |
81.0 (17/21) |
100 (19/19) |
90.0 (36/40) |
72.2 (13/18) |
100 (18/18) |
86.1 (31/36) |
83.1 (49/59) |
94.8 (55/58) |
88.9 (104/117) |
|
| RESP60 (n = 117) |
% (no./total) |
90.0 (18/20) |
85.7 (18/21) |
87.8 (36/41) |
71.4 (15/21) |
100 (19/19) |
85.0 (34/40) |
66.7 (12/18) |
100 (18/18) |
83.3 (30/36) |
76.3 ** (45/59) |
94.8 ** (55/58) |
85.5 (100/117) |
|
| RESPtot (n = 117) |
% (no./total) |
75.0 (15/20) |
85.7 (18/21) |
80.5 (33/41) |
71.4 (15/21) |
100 (19/19) |
85.0 (34/40) |
55.6 (10/18) |
100 (18/18) |
77.8 (28/36) |
67.8 *** (40/59) |
94.8 *** (55/58) |
81.2 (95/117) |
|
| PTE (n = 113) a |
Poor | % (no./total) |
11.1 (2/18) |
10.0 (2/20) |
10.5 (4/38) |
5.0 (1/20) |
5.3 (1/19) |
5.3 (2/39) |
5.5 (1/18) |
16.7 (3/18) |
11.1 (4/36) |
7.1 (4/56) |
10.5 (6/57) |
8.8 (10/113) |
| Good | % (no./total) |
88.8 (16/18) |
90.0 (18/20) |
89.5 (34/38) |
95.0 (19/20) |
94.7 (18/19) |
94.9 (37/39) |
94.4 (17/18) |
83.3 (15/18) |
88.9 (32/36) |
92.9 (52/56) |
89.5 (51/57) |
91.2 (103/113) |
|
| ADG (n = 99) b |
grams/day (range) |
1039 (835–1266) |
1104 (925–1204) |
1072 (835–1266) |
1063 (887–1243) |
1185 (936–1239) |
1074 (887–1243) |
1033 (784–1210) |
1063 (804–1189) |
1048 (784–1210) |
1046 (784–1266) |
1086 (804–1239) |
1066 (784–1266) |
|
a Data for 4 calves missing (farm S: 2 PEN, 1 OTC; farm H: 1 PEN); b data for 18 calves missing (farm S: 3 PEN, 2 OTC, 4 FLO; farm H: 4 PEN, 1 OTC, 4 FLO). Statistically significant differences between mean values indicated by ** (p < 0.01) and *** (p < 0.001).