| 
              
              
              Open Access  
 
              
              
              
              Research 
              
              
(Published 
				online: 03-08-2016)  
              1. 
				
				
				Impact of pregnancy and nutrition on 
				oxidant⁄antioxidant balance in sheep and goats reared in South 
				Sinai, Egypt - 
				
				M. F. Nawito, Amal R. Abd El Hameed, A. S. A. Sosa and Karima Gh. 
				M. Mahmoud 
              
              Veterinary World, 9(8): 801-805   
              
   
                
                
doi: 
              
				
				10.14202/vetworld.2016.801-805 
                
				  
				
				M. F. Nawito: 
				
				Department of Animal Reproduction & Artificial Insemination, 
				National Research Centre, Dokki, Tahrir Street, 12622 Giza, 
				Egypt; prof_nawito@hotmail.com 
				
				Amal R. Abd El Hameed: 
				
				Department of Animal Reproduction & Artificial Insemination, 
				National Research Centre, Dokki, Tahrir Street, 12622 Giza, 
				Egypt; amalriad@hotmail.com 
				
				A. S. A. Sosa: 
				
				Department of Animal Reproduction & Artificial Insemination, 
				National Research Centre, Dokki, Tahrir Street, 12622 Giza, 
				Egypt; ahmedsosa87@yahoo.com 
				
				Karima Gh. M. Mahmoud: 
				
				Department of Animal Reproduction & Artificial Insemination, 
				National Research Centre, Dokki, Tahrir Street, 12622 Giza, 
				Egypt; karimamahmoud@yahoo.com   
				
				Received: 31-01-2016, Accepted: 26-06-2016, Published online: 
				03-08-2016   
				
              	
              	Corresponding author: 
              	
				
				Karima Gh. M. Mahmoud, e-mail: karimamahmoud@yahoo.com 
 
              Citation: 
				
				Nawito MF, Abd El Hameed AR, Sosa ASA, Mahmoud KGM (2016) Impact 
				of pregnancy and nutrition on oxidant⁄antioxidant balance in 
				sheep and goats reared in South Sinai, Egypt, 
				
				Veterinary World, 9(8): 
				801-805. 
 
              
				Abstract 
 
				
				
				Aim: 
				
				To monitor the effect of nutrition and pregnancy on oxidative 
				status of animals under the arid condition of South Sinai. 
				
				
				Materials and Methods: 
				
				Blood samples were taken from two groups of animals: The first 
				group retained in farm and fed on concentrate (high diet) and 
				another group grazing natural forage (low diet). Each group was 
				subdivided into pregnant and non-pregnant animals. Blood samples 
				were assayed for their content of malondialdehyde (MDA), total 
				antioxidant capacity (TAC), catalase (CAT), and superoxide 
				dismutase (SOD) enzymes. 
				
				
				Results: 
				
				MDA level significantly increased in pregnant animals fed either 
				concentrate or grazing low-quality forage and accompanied by a 
				low level of TAC in pregnant grazing animals fed low-quality 
				forage. The activity of CAT decreased in pregnant fed either 
				concentrate or grazing and SOD significant decrease in the 
				pregnant grazing group. These data suggested that the animals 
				might have experienced some degree of oxidative stress and lipid 
				peroxidation and indicating that redox homeostasis was impaired 
				in those pregnant and specially fed on forage rations. 
				
				
				Conclusion: 
				
				Pregnancy constituted the most oxidative stress facing the 
				grazing and concentrated diet feed sheep and goats under arid 
				and saline conditions of Southern Sinai, Egypt. 
				
				Keywords: 
				
				nutrition, oxidant⁄antioxidant, pregnancy, sheep and goats. 
 
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