THE RELATION BETWEEN ENGORGEMENT AND DROPPING OF BOOPHILUS MICROPLUS (CANESTRINI) (IXODIDAE) TO THE ASSESSMENT OF TICK NUMBERS ON CATTLE
THE RELATION BETWEEN ENGORGEMENT AND DROPPING OF BOOPHILUS MICROPLUS (CANESTRINI) (IXODIDAE) TO THE ASSESSMENT OF TICK NUMBERS ON CATTLE
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微小牛蜱 (CANESTRINI) (IXODIDAE) 的充血和脱落与牛蜱虫数量评估之间的关系
DOI:
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发表时间:
1970
期刊:
影响因子:
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通讯作者:
K. Utech
中科院分区:
文献类型:
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作者:
R. H. Wharton;K. Utech
A pattern of engorgement and dropping of the female cattle tick Boophilus microplus is described. Partly engorged females, which have grown to a length of 4–6 mm (10–30 mg), undergo rapid final engorgement at night to reach a length of 8–11 mm (150–250 mg) and detach from cattle in the early hours of the morning. The minimum size of females which engorge varies with season. Differences in the engorgement and dropping pattern of ticks on cattle observed in summer and in winter, and on cattle held in open yards and in covered stalls, suggest an influence of the external environment, particularly temperature and light, on tick engorgement and detachment. Counting of ticks 4.5–8 mm in length on one day was shown to provide a reliable estimate of the numbers of engorged ticks dropping the following day and has been adopted for the assessment of tick numbers on cattle.