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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2021.10(5): 27-31
DOI: https://doi.org/10.20546/ijcmas.2021.1005.006


Estimation of Haematological Changes in Crossbred Cattle Infected with Theileria annulata
Ankit Nagar, Rajeev Ranjan Kumar* and Stuti Vatsya
Department of Veterinary Parasitology, College of Veterinary and Animal Sciences, G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand, India
*Corresponding author
Abstract:

Theileria annulata is an important tick-borne haemoprotozoan organism affecting dairy animals worldwide including India. It causes enormous economic losses in cattle and buffaloes in terms of reduced milk production, increased infertility and high mortality rate. The present study was undertaken to estimate the various haematological changes in cattle infected with T. annulata. Haematological examination revealed a significant (P<0.05) decrease in haemoglobin concentration (6.28±0.42 g%), packed cell volume (19.14±1.20 %), total erythrocytic count (3.98±0.21 × 106/µl) and increase in total leucocyte count (9.31±0.37 × 10³/µl) were recorded in infected animals. However, it was 10.29±0.38 g%, 31.19±1.09 %, 6.02±0.19 × 106/µl and 8.37±0.24 × 10³/µl, respectively in infected group. Significant (P<0.05) lymphopenia (51.90±4.30 %) and neutrophilia (36.00±4.89 %) were observed in infected cattle. However, differential leucocytes count revealed 60.90±1.52 % lymphocytes and 34.80±1.58 % neutrophils in control animals. The increase in monocytes (5.50±1.00 %) and eosinophils (6.60±2.50 %) were observed in infected cattle as compared with uninfected control monocytes (1.80±0.40 %) and eosinophils (2.50±0.57 %). A decrease in MCV (48.04±1.81 fl) and MCH (15.73±0.54 pg) were observed in infected group as compared to control (MCV-51.81±0.77fl and MCH 17.08±0.26 pg) which revealed microcytic RBC’s and low average quantity of haemoglobin present in single erythrocyte, respectively. However, no changes was observed in MCHC (32.78±0.37 g%) in infected group.


Keywords: Theileria annulata, cattle, haematology
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How to cite this article:

Ankit Nagar, Rajeev Ranjan Kumar and Stuti Vatsya. 2021. Estimation of Haematological Changes in Crossbred Cattle Infected with Theileria annulata.Int.J.Curr.Microbiol.App.Sci. 10(5): 27-31. doi: https://doi.org/10.20546/ijcmas.2021.1005.006