Filaria Journal

Table 1 Geometric mean (3 skin snips)O. ochengi mf density+1 per 100 mg skin in cattle following 7 monthly treatments with ivermectin 500 μg/kg subcutaneously, doramectin 500 μg/kg subcutaneously or untreated controls. Animals lost to follow-up are indicated in the table.

From: Repeated high doses of avermectins cause prolonged sterilisation, but do not kill, Onchocerca ochengiadult worms in African cattle

	ID	0 mpt	3 mpt	6 mpt	9 mpt	12 mpt	15 mpt	18 mpt	21 mpt	24 mpt	36 mpt
Control	17	3803	635	203	0	18	a
	19	841	260	1515	774	1135	604	1698	185	257	c
	22	4578	1583	911	712	767	291	982	975	1462	281
Ivermectin	14	509	0	0	0	0	1	3	0	8	2
	18	671	0	0	0	0	0	2	0	0	b
	20	240	0	0	0	0	0	0	0	0	0
Doramectin	12	6901	0	0	0	0	0	0	5	16	75
	15	1607	0	0	0	0	0	0	0	0	0
	23	146	0	0	0	0	0	3	2	0	0

a: Slaughtered following tetracycline therapy for dermatophilus infection, b: slaughtered due to septic arthritis, c lost to follow-up

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