Study day | Activity | |||
---|---|---|---|---|
-5 to -3 | Flea infestation, counting and allocation to 3 groups of 8 dogs (Groups 1, 2, 3) | |||
0 | Controls (Group 1) and treated dogs (Groups 2 and 3) infested with fleas and ticks, and treated directly thereafter (Groups 2 and 3) | |||
2 | 48 h flea + tick counts | |||
7 | 50 ticks, 100 fleas | 6 h tick counts | ||
8 | 18 h tick counts | 24 h flea counts | ||
14 to 29 | Infestation and counting at weekly intervals the same as for Days 7 and 8 above | |||
34 | Fresh group of 8 dogs (Groups 4) added to study | |||
35 | Groups 1, 2 and 3 infested with fleas + ticks, Group 3 dogs re-treated and Group 4 dogs treated for the first time directly thereafter | |||
6 h tick counts (Groups 1, 2, and 3) | ||||
36 | 18 h tick counts and 24 h flea counts (Groups 1, 2, and 3) | |||
42 (all groups) | 50 ticks, 100 fleas | 6 h tick counts | ||
43 | 18 h tick counts | 24 h flea counts | ||
49 to 71 | Infestation and counting at weekly intervals the same as for Days 42 and 43 above |