Best-bet integrated strategies for containing drug-resistant trypanosomes in cattle

Parasites & Vectors

Table 4 Trypanosome incidence density rates (IDR) for risk group cattle treated with albendazole and placebo treatment within the intervention and control areas of south-east Mali (June 2008 to November 2009)

Monitoring dates	Albendazole treated risk cattle cohort				Placebo treated risk cattle cohort
	Trypanosome cases	Cattle-months	IDR	95 % CI⁵	Trypanosome cases	Cattle-months	IDR	95 % CI⁵
Intervention area
Jun - Nov 2008	1	247.6	0.004	0.000-0.020	8	293.6	0.031	0.010-0.050
Nov 2008 – Feb 2009	1	192.8	0.005	0.000-0.026	0	209.2	0	0
Feb – Jun 2009	1	240.3	0.004	0.000-0.021	1	256.3	0.004	0.000-0.019
Jun – Nov 2009	0	517.5	0	0	0	493.1	0	0
Total	3 ¹	1198.2	0.003	0.001-0.007	9 ²	1252.2	0.007	0.004-0.013
Control area
Jun - Nov 2008	3	56.7	0.053	0.013-0.144	4	65.2	0.061	0.019-0.148
Nov 2008 – Feb 2009	3	52.8	0.057	0.014-0.155	2	48.6	0.041	0.007-0.136
Feb – Jun 2009	7	45.2	0.155	0.068-0.306	5	49.7	0.10	0.037-0.223
Jun – Nov 2009	2	73.8	0.027	0.005-0.090	2	108.2	0.002	0.003-0.061
Total	15 ³	228.5	0.066	0.038-0.106	13 ⁴	272.3	0.048	0.027-0.080

¹ Two T. vivax and one T. congolense.
² Seven T. vivax and two T. congolense.
³ Six T. vivax, eight T. congolense and one mixed infection (T. congolense and T. vivax).
⁴ Five T. vivax, six T. congolense and two mixed infections (T. congolense and T. vivax).
⁵95 % CI = 95 % confidence interval.

ISSN: 1756-3305