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Association between Epidemiology and Haematophagous Behaviour of Haemonchus contortus and Ostertagia ostertagi Infecting Sheep of Kashmir Valley, India


Affiliations
1 Centre of Research for Development, University of Kashmir, Srinagar 190 006, India
 

Haemonchus contortus and Ostertagia ostertagi are predominantly sheep parasites and majority of the pathological effects they cause are due to their bloodfeeding behaviour. This study was carried out to ascertain the prevalence of these two parasites in sheep of Kashmir Valley, India and to determine effect on haematological parameters of sheep. H. contortus was more prevalent than O. ostertagi; the infection was found to be higher in summer, lower age groups and males. As far as the effect on haematology is concerned, haemoglobin concentration, packed cell volume and red blood cell count showed significant decrease and white blood cell count showed significant increase in case of infected sheep.

Keywords

Epidemiology, Haemonchus contortus, Haematophagous Behaviour, Ostertagia ostertagi, Sheep.
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  • Association between Epidemiology and Haematophagous Behaviour of Haemonchus contortus and Ostertagia ostertagi Infecting Sheep of Kashmir Valley, India

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Authors

Irfan-Ur-Rauf Tak
Centre of Research for Development, University of Kashmir, Srinagar 190 006, India
Jehangir Shafi Dar
Centre of Research for Development, University of Kashmir, Srinagar 190 006, India
B. A. Ganai
Centre of Research for Development, University of Kashmir, Srinagar 190 006, India
M. Z. Chishti
Centre of Research for Development, University of Kashmir, Srinagar 190 006, India

Abstract


Haemonchus contortus and Ostertagia ostertagi are predominantly sheep parasites and majority of the pathological effects they cause are due to their bloodfeeding behaviour. This study was carried out to ascertain the prevalence of these two parasites in sheep of Kashmir Valley, India and to determine effect on haematological parameters of sheep. H. contortus was more prevalent than O. ostertagi; the infection was found to be higher in summer, lower age groups and males. As far as the effect on haematology is concerned, haemoglobin concentration, packed cell volume and red blood cell count showed significant decrease and white blood cell count showed significant increase in case of infected sheep.

Keywords


Epidemiology, Haemonchus contortus, Haematophagous Behaviour, Ostertagia ostertagi, Sheep.

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DOI: https://doi.org/10.18520/cs%2Fv113%2Fi09%2F1776-1783