PAKISTAN
VETERINARY
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Epidemiological Investigation of Cryptosporidium Infection in Yaks in Chamdo, China
 
Song Peng1,2, Chang Xu1,2, Muhammad Usman Saleem3, Wasim Babar4, Asif Idrees5 and Kun Li1,2*
 

1Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China; 2MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China; 3Department of Biosciences, Faculty of Veterinary Sciences, Bahauddin Zakariya University, Bosan Road, Multan, Pakistan; 4Cholistan University of Veterinary and Animal Sciences Bahawalpur, Pakistan; 5KBCMA, College of Veterinary and Animal Sciences, Narowal, Pakistan
*Corresponding author: lik2014@sina.com; lk3005@njau.edu.cn

Abstract   

Cryptosporidium is a parasitic protozoan that can infect a wide range of animals across different geographical areas. The current incidence of Cryptosporidium infection in yaks in Chamdo remains uncertain. Our objective was to determine the prevalence of Cryptosporidium in the study areas through the use of both serology and molecular inquiry. The ELISA and nested-PCR techniques were utilized to analyze blood (n=691) and fecal samples (n=91) from yaks obtained from various farms over the specified period. The nucleic acid-based analysis focused on the 18S rRNA gene. The ELISA approach indicated that the total prevalence of Cryptosporidium infection was 12.7%. The prevalence of Cryptosporidium in fecal samples, as revealed by nPCR, was 33.0% (30 out of 91). The sequencing of selectively amplified samples revealed the presence of C. bovis (n=5) and C. parvum (n=2). The study utilized logistic regression analysis to examine the correlation between Cryptosporidium infection and the yak's location (farms), health condition, age, and sex. The findings indicated that age, farm (with varying management practices), and health status were risk factors that influenced the frequency of Cryptosporidium in animals in Chamdo. Overall, the results gained help to develop control methods for Cryptosporidium infections in yaks.

To Cite This Article: Peng S, Xu C, Saleem MU, Babar W, Idrees A and Li K, 2024. Epidemiological investigation of Cryptosporidium infection in yaks in chamdo, China. Pak Vet J, 44(2): 526-529. http://dx.doi.org/10.29261/pakvetj/2024.170

 
   
 

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



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