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              Open Access  
Copyright: The authors. This article is an open access 
article licensed under the terms of the Creative Commons Attribution License 
 
 
(http://creativecommons.org/licenses/by/2.0) which permits unrestricted use, 
distribution and reproduction in any medium, provided the work is properly 
cited. 
 
              
              
              Research 
              
              
(Published online: 
				11-12-2015) 
              
              3. Effect of cholesterol supplementation on cryosurvival 
				of goat spermatozoa  
				
              - Sunita Behera, Hiron M. Harshan, K. Lekshmi Bhai and K. 
				N. Aravinda Ghosh 
              
              Veterinary World, 8(12): 1386-1391   
              
   
                
                
doi: 
              
				
				10.14202/vetworld.2015.1386-1391   Sunita 
				Behera: 
              
              Department of Veterinary Gynaecology and Obstetrics, Veterinary 
				College, Bengaluru, Karnataka, India; 
              
              sunita5656@gmail.com Hiron 
				M. Harshan: 
              
              	Department of Animal Reproduction Gynaecology and Obstetrics, 
				College of Veterinary and Animal Sciences, Kerala Veterinary and 
				Animal Sciences University, Pookode, Kerala, India; 
              
              	hiron@rediffmail.com K. 
				Lekshmi Bhai: 
              
              	Department of Animal Reproduction Gynaecology and Obstetrics, 
				College of Veterinary and Animal Sciences, Kerala Veterinary and 
				Animal Sciences University, Pookode, Kerala, India; 
              
              	bhai04vet@gmail.com K. N. 
				Aravinda Ghosh: Department of Animal Reproduction, 
				Gynaecology and Obstetrics,
              
              	College of Veterinary and Animal Sciences, Kerala 
				Veterinary and Animal Sciences University, Mannuthy, Kerala, 
				India;
              
              	ghosh@kvasu.ac.in Received: 07-06-2015, Revised: 24-10-2015, Accepted: 31-10-2015, 
				Published: 11-12-2015
   
				
              	
              Corresponding author:Sunita Behera, e-mail: sunita5656@gmail.com 
 
              Citation: Behera S, Harshan HM, Bhai KL, Ghosh KNA (2015) Effect 
				
				of cholesterol supplementation on cryosurvival of goat 
				spermatozoa, 
				
				Veterinary World 8(12): 
				1386-1391. 
 
              Abstract 
 
				Aim: 
				Sperm membrane cholesterol 
				influences cryodamage during cryopreservation. The present study 
				was carried out to evaluate the effect of varying cholesterol 
				levels in Tris based extenders on the freezability of sexually 
				healthy Malabari buck semen. 
				Materials and Methods: 
				A total of 48 ejaculates 
				from two adults healthy sexually healthy Malabari bucks were 
				utilized for the study. The collected and pooled ejaculates were 
				divided into four groups with Group I serving as Control - I, 
				Group II and III were treated with 1 mg and 2 mg of 
				cholesterol-loaded-cyclodextrin (CLC)/120 × 106
				spermatozoa, 
				respectively, and Group IV treated with 1 mg methyl-β-cyclodextrin 
				(MβCD) served as Control - II. Manual freezing was carried out 
				to cryopreserve the treated and control spermatozoa. 
				Results: 
				Treatment of semen samples with 
				CLC resulted in improved maintenance of sperm motility at 
				pre-freeze and post-thaw stages of cryopreservation without 
				affecting hypo-osmotic swelling response. Treatment of semen 
				with 1 mg of CLC/120 × 106
				spermatozoa was observed 
				to be better than treatment with 2 mg of CLC/120 × 106
				spermatozoa. In general, 
				MβCD treatment was found to result in significantly lower sperm 
				characteristics than those of Control - I and CLC treatment at 
				pre-feeze and post-thaw stages and when incubated up to 4 h.
				 
				Conclusion: 
				Cholesterol treatment of 
				sexually healthy Malabari buck semen was found to hold promise 
				for improving cryopreser-vability of spermatozoa. 
				Keywords:
				
				buck, cholesterol, cryopreservation, functional membrane 
				integrity, motility, spermatozoa. 
 
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