Table 4 Treatment practices for gastrointestinal nematodes for the different age and sex of the sheep
| Â | Lambs % (n) | Ewes % (n) | Rams % (n) |
|---|---|---|---|
Dose according to: | Â | Â | Â |
   Set programme | 86 (87) | 94 (88) | 93 (83) |
   Sign of disease | 14 (14) | 6 (6) | 7 (6) |
Time when animals dosed: | Â | Â | Â |
   At housing | 15 (16) | 68 (71) | 44 (46) |
   Before moving to aftergrass | 72 (75) | 20 (21) | 23 (24) |
   Pre-mating |  | 55 (57) | 60 (62) |
   Pre-lambing |  | 14 (14) |  |
   Post-lambing |  | 32 (33) |  |
Weight basis for dosing: | Â | Â | Â |
   Heaviest actual | 54 (55) | 33 (32) | ND* |
   Heaviest guessed | 29 (30) | 43 (42) | ND |
   Average guessed | 16 (16) | 22 (22) | ND |
   Heaviest: actual + guessed | 1 (1) | 1 (1) | ND |
   Combination of all 3 |  | 1 (1) | ND |
Withold food prior to dosing: | 30 (31) | 27 (28) | ND |
   >12h | 7 (2) | 12 (3) | ND |
   Keep in after dosing: | 27 (28) | ND | |