PAKISTAN
VETERINARY
JOURNAL
     
 
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Tick Taxonomy and Nucleotide Sequence Analysis by Internal Transcribed Spacer 2 (ITS 2) in Large Ruminants of Pothohar, Pakistan
 
Farkhanda Jabeen1, Muhammad Mushtaq1, Mazhar Qayyum1, Murtaz ul Hasan2*, Muhammad Arif Zafar3­, Aayesha Riaz2 and Farooq Nasir4
 

1Department of Zoology, PMAS Arid Agriculture University, Rawalpindi, Pakistan; 2Department of Parasitology and Microbiology, Faculty of Veterinary and Animal Sciences, PMAS Arid Agriculture University, Rawalpindi, Pakistan
3Department of Clinical Studies, Faculty of Veterinary and Animal Sciences, PMAS Arid Agriculture University, Rawalpindi, Pakistan; 4Department of Entomology, PMAS Arid Agriculture University, Rawalpindi, Pakistan
*Corresponding author: murtazhassan@yahoo.com

Abstract   

Ectoparasites (insect and arachnids) are a worldwide problem, which are responsible for up to 80% losses to the livestock economy. Among these, the Ixodids (hard ticks) are the most important and also transmit diseases like babesiosis, theileriosis and anaplasmosis. The present study was aimed to identify prevalence and distribution of the hard tick species using morphological and molecular keys in large ruminants of Pothohar region of Pakistan. Morphological investigations of ticks from 967 cattle and 665 buffaloes revealed the genera (3) and species (13) of various Ixodid ticks mainly Rhipicephalus (R), Hyalomma (Hy), and Dermacentor (D) comprised of R. microplus, R. annulatus, R. australis, R. eversti, R. turanicus, R. decloratus, Hy. dromedarii, Hy. scupens, Hy. rufipes, Hy. truncatum, Hy. excavatum, Hy. detritum and D. atrosignatus. Tick invasion was statistically higher in cattle (53.48%) than buffaloes (40.70%). Among these 10 species identifications were confirmed through morphological identification, however, molecular characterization of tick analysis (using partial ITS2 gene) confirmed prevalence of R. microplus, Hy. detritum and D. atrosignatus. This study provides the basic genetic identification tool for investigating the tick species and their phylogenetic relationship in tick species commonly found in humans and animals. The precise identification unquestionably can play a dynamic role in employment of appropriate control measurements, as different genera/species cause different diseases in livestock. Different tick species identified on the basis of morphological features and molecular characterization, will add value to the existing knowledge in identification of ticks in the Pakistan, as well as helpful in various disease diagnosis spread due to these hard tick species.

To Cite This Article: Jabeen F, Mushtaq M, Qayyum M, Hasan MU, Zafar MA, Riaz A and Nasir F, 2022. Tick taxonomy and nucleotide sequence analysis by internal transcribed spacer 2 (ITS 2) in large ruminants of Pothohar, Pakistan. Pak Vet J, 42(4): 554-560. http://dx.doi.org/10.29261/pakvetj/2022.063  

 
   
 

ISSN 0253-8318 (Print)
ISSN 2074-7764 (Online)



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