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              Research 
              
              
(Published 
				online: 
				29-12-2015) 
              
              13. 
				
				Effect of microclimate alteration on milk 
				production and composition in Murrah buffaloes - 
				
				
				Sandeep Reddy Seerapu, Ananda Rao Kancharana, Venkata Seshaiah 
				Chappidi and Eswara Rao Bandi 
              
              Veterinary World, 8(12): 1444-1452   
              
   
                
                
doi: 
              
				
				10.14202/vetworld.2015.1444-1452 
                
				
				Sandeep Reddy Seerapu: 
				
				Department of Livestock Production Management, NTR College of 
				Veterinary Science, Sri Venkatesawara Veterinary University, 
				Tirupathi, Andhra Pradesh, India; sandeep.vety@gmail.com 
				
				Ananda Rao Kancharana: 
				
				Buffalo Research Station VR Gudem, Sri Venkateswara Veterinary 
				University, Tirupathi, Andhra Pradesh, India; alekh69@yahoo.com 
				
				Venkata Seshaiah Chappidi: 
				
				Department of Livestock Production Management, NTR College of 
				Veterinary Science, Sri Venkatesawara Veterinary University, 
				Tirupathi, Andhra Pradesh, India; seshuchappidi@yahoo.com 
				
				Eswara Rao Bandi: 
				
				Department of Livestock Production Management, NTR College of 
				Veterinary Science, Sri Venkatesawara Veterinary 
				
				University, Tirupathi, Andhra Pradesh, India; beraolpt@gmail.com   
				
				Received: 03-08-2015, Revised: 07-11-2015, Accepted: 19-11-2015, 
				Published online: 29-12-2015 
				  
				
              	
              	Corresponding author:Sandeep Reddy Seerapu, e-mail: sandeep.vety@gmail.com 
 
              Citation: Seerapu SR, Kancharana AR, Chappidi VS, Bandi ER (2015) Effect 
				of microclimate alteration on milk production and composition in 
				Murrah buffaloes, 
				
				Veterinary World 8(12):
				
				
				1444-1452. 
 
              
				Abstract 
 
				
				
				Aim: 
				
				The aim of this study was to assess the effect of microclimate 
				alteration on temperature-humidity index (THI), milk yield, and 
				milk composition of Murrah buffaloes during summer for a period 
				of 90-day from March to May-2014 at Buffalo Research Station, 
				Venkataramannagudem, Andhra Pradesh, India. 
				
				
				Materials and Methods: 
				A 
				total of 40 lactating Murrah buffaloes were selected having 
				similar body weight, parity, and milk yield. They were divided 
				into four groups of 10 each. Three groups of buffaloes were 
				provided with microclimate alteration using supplemental cooling 
				like foggers, fans and foggers plus fans, and the fourth group 
				(control) was without any cooling system. The daily THI was 
				measured using dry and wet bulb thermometer. The physiological 
				responses 
				
				viz. 
				rectal temperature, respiration rate, and pulse rate were 
				measured by a clinical thermometer, measuring the flank 
				movements a minute and observing the pulsation of the middle 
				coccygeal artery at the base of tail with the help of finger. 
				Milk samples were analyzed for chemical composition 
				
				viz., 
				fat, solids-not-fat (SNF), total solids (TS), specific gravity. 
				
				
				Results: 
				
				In the present study, significant (p<0.001) decrease in the 
				average THI values were observed in experimental Murrah buffalo 
				houses of GroupII (foggers), GroupIII (fans), and GroupIV 
				(foggers and fans) compared to GroupI (control). Significant 
				(p<0.001) decrease in average rectal temperature (°F), 
				respiration rate (breaths/min) and pulse rate (beats/min) values 
				were recorded in Murrah buffaloes of Groups II, III and IV 
				compared to Group I. Significant (p<0.001) increase in the 
				average milk yield (kg/day) was recorded in Murrah buffaloes of 
				Groups II, III, and IV compared with Group I. Significant 
				(p<0.001) increase in the average milk fat, SNF, and TS percent 
				were recorded in Murrah buffalo Groups of II, III, and IV 
				compared with Group I. 
				
				
				Conclusion: 
				
				Microclimate alteration by the provision of foggers and air 
				circulators in the buffalo houses increased feed intake in 
				buffaloes resulting increased milk production, fat and SNF yield 
				which was due to decreased heat stress in buffaloes. 
				
				Keywords: 
				
				microlimate, milk composition, milk yield, physiological 
				parameters, temperature-humidity index. 
 
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