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OALib Journal期刊
ISSN: 2333-9721
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Some Aspects of the Reproductive Biology of Female Rhipicephalus annulatus (Say, 1821) in the Laboratory

Keywords: Average , engorged , female , reproductive , survivability , weight

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Abstract:

Ticks are very important in the livestock industry. They are agents of disease causing organisms in addition to the harm they cause to the hide of livestock. A study of some reproductive characteristics of Rhipicephalus annulatus in the laboratory through colony culture showed that between 3140 to 5338 eggs (p<0.05) were laid by each engorged female, of an average weight of 103 to 175 mg (p<0.05). The required number of days for hatching of eggs was found to be 24 to 30 days (p<0.05). Percentage survival of eggs to adult female was highest at 6.1% and as low as 0.57%. Despite the large number of eggs laid, very few larvae survived to the adult stage even in the laboratory where biotic and abiotic factors were controlled to the advantage of the ticks. This showed that in the wild where both biotic and abiotic conditions are very unstable, survivability would be very minimal. We concluded that as much as possible, control strategy be geared towards the destruction of the adult females as possible.

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