Abstract
In the laboratory the preoviposition period for both disturbed (daily to remove eggs) and undisturbed female cattle ticks, Boophilus annulatus , averaged 3.4 days, but disturbed ticks laid significantly fewer eggs. Both groups showed a significant positive correlation between weight and the number of eggs laid. The Index of Conversion Efficiency [weight of eggs (g) per weight (g) of female] was significantly lower for disturbed females than for undisturbed females. Average daily oviposition peaked on the 4th day of egg-laying (489 eggs/female per day), then declined steadily. The oviposition period averaged 19.2 days, and there was a positive correlation between number of eggs laid and length of oviposition period. Average minimum incubation time for eggs was 28.7 days.
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