Parasites & Vectors

Table 4 Average weight of ticks collected from each calf 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

	Day of collection
	20		21		22		23		24		25		Mean per calf
	wt	n	wt	n	wt	n	wt	n	wt	n	wt	n	Mean per calf
Control
C1557	0.292	72	0.294	72	0.278	72	0.260	72	0.230	59	0.213	22	0.269
C1559	0.291	72	0.318	72	0.332	72	0.299	72	0.251	51	0.237	29	0.296
C1560	0.295	72	0.303	72	0.285	72	0.276	72	0.226	53	0.231	16	0.278
Daily mean	0.293		0.305		0.298		0.279		0.236		0.227		0.281
SD	0.0024		0.0121		0.0292		0.0198		0.0130		0.0125		0.014
SEM	0.0014		0.0070		0.0168		0.0114		0.0075		0.0072		0.008
Vaccinated
C1551	0.312	72	0.325	72	0.3150	72	0.312	72	0.283	62	0.293	29	0.309
C1553	0.306	72	0.326	72	0.3128	72	0.307	72	0.288	71	0.290	15	0.307
C1554	0.316	72	0.334	72	0.3190	72	0.332	72	0.298	62	0.276	35	0.316
Daily mean	0.311		0.328		0.3156		0.317		0.290		0.286		0.311
SD	0.0049		0.0050		0.0031		0.0135		0.0079		0.0088		0.0050
SEM	0.0028		0.0029		0.0018		0.0078		0.0046		0.0051		0.0029

wt = Average weight in grams for n ticks collected on 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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