Prevalence of hard tick infestations in cattle of West Bengal, India
2018
Debbarma, Apurba | Pandit, Soumitra | Jas, Ruma | Baidya, Surajit | Mandal, Subhas Chandra | Jana, Partha Sarathi
The present study was conducted to determine the prevalence of hard tick infestations in cattle of West Bengal from July 2015 to June 2016. The prevalence of hard tick infestations was studied in relation to sex and age of animals and seasonal changes in a year. Cattle of selected places were examined carefully for the presence of ticks and in positive cases ticks were collected manually and identified on the basis of morphological characters. A total of 310 cattle were examined and out of which, 130 (41.93%) cattle were found to be infested with hard ticks and the prevalent species were Rhipicephalus (Boophilus) sp., Hyalomma sp. and Haemaphysalis sp. of ticks. A significantly (p < 0.01) higher infestation was observed in female cattle (43.30%) than males (35.71%). Age-wise highest prevalence of tick infestations was found in <1 year (65%) age group followed by >3 years age group (36.8%) and 1–3 years (35.63%) age group, respectively. Seasonally, the prevalence of hard ticks was highest (p < 0.01) in monsoon (59.25%) and lowest in winter (27.09%). The study revealed that the prevalence of Rhipicephalus (Boophilus) sp. (32.25%) was significantly (p < 0.01) higher compared to Hyalomma (12.58%) and Haemaphysalis sp. (3.22%). The observations of the present study would provide a basis for evolving effective control strategy for the management of ticks in bovines of West Bengal.
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