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SEX RATIOS OF NATURAL POPULATION OF IXODID TICKS IN PASTURE GROWN IN BANGLADESH

  • Giasuddin, M. (System Research Division, Bangladesh Livestock Research Institute) ;
  • Haq, M.M. (Department of Parasitology, Bangladesh Agricultural University) ;
  • Mondal, M.M.H. (Department of Parasitology, Bangladesh Agricultural University) ;
  • Sarker, N.R. (Bangladesh Livestock Research Institute)
  • Received : 1995.03.06
  • Accepted : 1995.07.07
  • Published : 1995.12.01

Abstract

The study on the sex ratios of natural population of Ixodid ticks in pasture was conducted in the Bangladesh Agricultural University Campus, Mymensingh, from 1988 to June 1990. The samples were collected from the five grazing fields consisting of five different vegetations. Dragging methods were used for the collection of samples. In 24 months of observations a total of 1113 ticks of two different species, Boophilus microplus (670), Haemaphysalis bispinosa (443) were collected and their sex ratio was determined. Females were recorded higher in both B. microplus and H. bispinosa.

Keywords

Ixodid Ticks;Dragging;Boophilus microplus;Haemaphysalis bispinosa