| 
              
              
              Open Access  
 
              
              
              
              Research 
              
              
(Published 
				online: 08-12-2016)  
              9. 
				
              
              Investigation of body and udder skin surface 
              temperature differentials as an early indicator of mastitis in 
              Holstein Friesian crossbred cows using digital infrared 
              thermography technique - 
              
              M. Sathiyabarathi, S. Jeyakumar, A. Manimaran, Heartwin A. 
              Pushpadass, M. Sivaram, K. P. Ramesha, D. N. Das, Mukund A. 
              Kataktalware, G. Jayaprakash and Tapas Kumar Patbandha 
              
              Veterinary World, 9(12): 1386-1391   
              
   
                
                
doi: 
              
				
				10.14202/vetworld.2016.1386-1391 
                
                
                M. Sathiyabarathi: 
                
                Livestock Research Centre, Southern Regional Station, Indian 
                Council of Agricultural Research - National Dairy Research 
                Institute, Adugodi, Bengaluru - 560 030, Karnataka, India; 
                drmsathiyabarathi@gmail.com 
              
              S. Jeyakumar: 
              
              Livestock Research Centre, Southern Regional Station, Indian 
              Council of Agricultural Research - National Dairy Research 
              Institute, Adugodi, Bengaluru - 560 030, Karnataka, India; 
              jeyakumarsakthivel@gmail.com 
              
              A. Manimaran: 
              
              Livestock Research Centre, Southern Regional Station, Indian 
              Council of Agricultural Research - National Dairy Research 
              Institute, Adugodi, Bengaluru - 560 030, Karnataka, India; 
              maranpharma@gmail.com 
              
              Heartwin A. Pushpadass: 
              
              Dairy Engineering Section, Southern Regional Station, Indian 
              Council of Agricultural Research - National Dairy Research 
              Institute, Adugodi, Bengaluru - 560 030, Karnataka, India; 
              heartwin1@gmail.com 
              
              M. Sivaram: 
              
              Dairy Economics and Statistics, Southern Regional Station, Indian 
              Council of Agricultural Research - National Dairy Research 
              Institute, Adugodi, Bengaluru - 560 030, Karnataka, India; 
              sivaram.ndri@gmail.com 
              
              K. P. Ramesha: 
              
              Dairy Production Section, Southern Regional Station, Indian 
              Council of Agricultural Research - National Dairy Research 
              Institute, Adugodi, Bengaluru - 560 030, Karnataka, India; kpragb@gmail.com 
              
              D. N. Das: 
              
              Dairy Production Section, Southern Regional Station, Indian 
              Council of Agricultural Research - National Dairy Research 
              Institute, Adugodi, Bengaluru - 560 030, Karnataka, India; 
              dndasndri@gmail.com 
              
              Mukund A. Kataktalware: 
              
              Dairy Production Section, Southern Regional Station, Indian 
              Council of Agricultural Research - National Dairy Research 
              Institute, Adugodi, Bengaluru - 560 030, Karnataka, India; 
              mtalware@gmail.com 
              
              G. Jayaprakash: 
              
              Department of Animal Nutrition, College of Veterinary and Animal 
              Sciences, Mannuthy - 680 651, Kerala, India; drgjayaprakash@gmail.com 
              
              Tapas Kumar Patbandha: 
              
              Livestock Production and Management Section, Indian Council of 
              Agricultural Research - National Dairy Research Institute, Karnal 
              - 132 001, Haryana, India; patbandhavet@gmail.com   
              
              Received: 11-08-2016, Accepted: 08-11-2016, Published online: 
              08-12-2016   
				
              	
              	Corresponding author: 
              	
				
                S. Jeyakumar, e-mail: jeyakumarsakthivel@gmail.com 
 
              Citation: 
              Sathiyabarathi M, Jeyakumar S, Manimaran A, Pushpadass HA, Sivaram 
              M, Ramesha KP, Das DN, Kataktalware MA, Jayaprakash G, Patbandha 
              TK (2016) Investigation of body and udder skin surface temperature 
              differentials as an early indicator of mastitis in Holstein 
              Friesian crossbred cows using digital infrared thermography 
              technique, 
              
              Veterinary World, 9(12): 
              1386-1391. 
 
              
				Abstract 
 
              
              
              Aim: 
              
              The objective of this study was to investigate the ability of 
              infrared thermography (IRT) technique and its interrelationship 
              with conventional mastitis indicators for the early detection of 
              mastitis in Holstein Friesian (HF) crossbred cows. 
              
              
              Materials and Methods: 
              A 
              total of 76 quarters of lactating HF crossbred (Bos 
              indicus 
              ×
              
              
              Bos taurus) 
              cows (n=19) were monitored for body temperature (i.e., eye 
              temperature) and udder skin surface temperature (USST) before 
              milking using forward-looking infrared (FLIR) i5 camera. Milk 
              samples were collected from each quarter and screened for mastitis 
              using Somatic Cell Count (SCC), Electrical Conductivity (EC), and 
              California mastitis test. Thermographic images were analyzed using 
              FLIR Quick Report 1.2 image analysis software. Data on body and 
              USST were compiled and analyzed statistically using SPSS 16.0 and 
              Sigmaplot 11. 
              
              
              Results: 
              
              The meanąstandard deviation (SD) body (37.23ą0.08°C) and USST 
              (37.22ą0.04°C) of non-mastitic cow did not differ significantly; 
              however, the mean USST of the mastitis-affected quarters were 
              significantly higher than the body temperature and USST of 
              unaffected quarters (p<0.001). 
              The meanąSD USST of the subclinical mastitis (SCM) and clinical 
              mastitis-affected quarters were 38.08ą0.17 °C and 38.25ą0.33 °C, 
              respectively, which is 0.72 and 1.05 °C higher than the USST 
              temperature of unaffected quarters. The USST was positively 
              correlated with EC (r=0.95) and SCC (r=0.93). The receiver 
              operating characteristic curve analysis revealed a higher 
              sensitivity for USST in early prediction of SCM with a cut-off 
              value of >37.61°C. 
              
              
              Conclusion: 
              
              It is concluded that infrared thermal imaging technique could be 
              used as a potential noninvasive, quick cowside diagnostic 
              technique for screening and early detection of SCM and clinical 
              mastitis in crossbred cows. 
              
              Keywords: 
              
              diagnosis, lactating cows, mastitis, temperature. 
 
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