Parasites & Vectors

Table 6 Conversion rate: average proportion of total body weight converted to eggs for ticks from each calf on each day

From: Vaccination of cattle with synthetic peptides corresponding to predicted extracellular domains of Rhipicephalus (Boophilus) microplus aquaporin 2 reduced the number of ticks feeding to repletion

	Date of collection												Mean conversion
	20		21		22		23		24		25
	Rate	n	Rate	n	Rate	n	Rate	n	Rate	n	Rate	n
Control
C1557	0.499	69	0.511	69	0.472	67	0.515	65	0.474	51	0.454	22	0.488
C1559	0.519	72	0.496	72	0.493	72	0.501	72	0.473	51	0.509	29	0.499
C1560	0.529	72	0.525	72	0.507	72	0.432	72	0.477	53	0.447	16	0.486
Daily mean	0.516		0.511		0.491		0.483		0.475		0.470		0.491
SD	0.0153		0.0145		0.0176		0.0444		0.0021		0.034		0.007
SEM	0.0088		0.0084		0.0102		0.0257		0.0012		0.0196		0.004
Vaccinated
C1551	0.507	72	0.518	72	0.517	72	0.518	72	0.512	62	0.522	29	0.516
C1553	0.536	72	0.540	72	0.534	72	0.549	72	0.506	71	0.501	15	0.528
C1554	0.529	69	0.507	68	0.508	68	0.506	67	0.489	59	0.506	25	0.508
Daily mean	0.524		0.522		0.520		0.524		0.503		0.501		0.517
SD	0.0149		0.0170		0.0134		0.0220		0.0118		0.0108		0.0102
SEM	0.0086		0.0098		0.0077		0.0127		0.0068		0.0062		0.0059

Average proportion of total body weight converted to eggs for a sample of n ticks collected from each calf each day. Day of collection = number of days since larval ticks were first applied. n = number of ticks include in the average for the day. SD standard deviation, SEM standard error of the mean

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ISSN: 1756-3305

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