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              Research 
              
              
(Published online: 
              07-08-2015) 
              
              
              2.  
              
              Diversity of Eimeria spp. in dairy cattle of Guwahati, 
              Assam, India - 
              M. Das, D. K. Deka, P. 
              C. Sarmah, S. Islam and S. Sarma 
              
              Veterinary World, 8(8): 941-945   
              
   
                
                
doi: 
              10.14202/vetworld.2015.941-945   M. Das:
              
              
              ICAR Research Complex for NEH Region, Barapani, Meghalaya, India; 
              meenad3@gmail.com D. K. 
              Deka: 
              Department of Parasitology, College of Veterinary Science, Assam 
              Agricultural University, Guwahati, Assam, India; dilipkumar.deka@rediffmail.com P. C. 
              Sarmah: 
              Department of Parasitology, College of Veterinary Science, Assam 
              Agricultural University, Guwahati, Assam, India; pcsarmah@gmail.com S. 
              Islam: 
              Department of Parasitology, College of Veterinary Science, Assam 
              Agricultural University, Guwahati, Assam, India; isaidul@yahoo.com S. 
              Sarma: Department of Biochemistry, College of Veterinary 
              Science, 
              Assam Agricultural University,
              
              Guwahati, Assam, India;
              
              sarmasatya49@ yahoo.in   
              Received: 03-03-2015, Revised: 02-07-2015, Accepted: 10-07-2015, 
              Published online: 07-08-2015   
              
              
              Corresponding author:Meena Das, e-mail: meenad3@gmail.com 
 
              Citation:Das M, Deka DK, Sarmah 
              PC, Islam S, Sarma S (2015) Diversity of Eimeria spp. in 
              dairy cattle of Guwahati, Assam, India, Veterinary World 8(8): 
              941-945. 
 
              Abstract 
 Aim:
              To determine the prevalence and diversity of Eimeria 
              spp. in dairy cattle present in and around Guwahati, Kamrup 
              district, Assam, India. 
              Materials and Methods: A total of 2339 fecal samples of calves 
              (535), heifer (641) and adult (1163) cattle were screened for 1 
              year present in and around Guwahati, Assam for detection of 
              Eimeria oocysts by flotation techniques. Sporulation of the 
              oocyst was done in 2.5% potassium dichromate solution for 
              identification of the Eimeria species.  
              Results: Examination of fecal samples 
              revealed an overall prevalence of 11.97% Eimeria infection 
              in dairy cattle of Guwahati, Assam. Age-wise, 33.2%, 45.4%, and 
              21.4% infections were recorded in calves (<1 year), heifer (1-3 
              years) and adult (>3 years) cattle, respectively. Season-wise, 
              infection was recorded highest during post-monsoon (16.29%), 
              followed by monsoon (15%), winter (9.44%), and pre-monsoon (7.49%) 
              season. Seven species of Eimeria were recorded viz. 
              Eimeria bovis, Eimeria zuernii, Eimeria subspherica,
              Eimeria bukidnonensis, Eimeria auburnensis, 
              Eimeria ellipsoidalis and Eimeria alabamensis. The 
              oocyst count per gram of feces ranged from 50 to 1500 in infected 
              cattle. 
              Conclusion: This study indicates that there is the prevalence 
              of seven species of Eimeria in dairy cattle of Guwahati, 
              Assam and mostly prevalent during the post-monsoon season. 
              Keywords: Assam, dairy cattle, Eimeria
              spp., prevalence. 
 
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