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Effect of climatic variables on average daily milk production in crossbred cattle

Indian Agricultural Research Journals

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Title Effect of climatic variables on average daily milk production in crossbred cattle
 
Creator DUTT, TRIVENI
TANEJA, V K
SINGH, AVTAR
 
Subject —
 
Description The effect of climate variables on average daily milk production (milk yield/cow/day) was examined in crossbreds of Hariana with Holstein-Friesian, Brown Swiss and Jersey. The correlations of average daily milk yield with wet bulb temperature and relative humidity were negative and significant whereas with temperature, the correlation though negative was nonsignificant. The correlations of meteorological indices with average daily milk yield were in general negative and nonsignificant. The regression coefficients of average daily milk yield on temperature lind all the indices were negative and nonsignificant while thilt on relative humidity was negative and significant. The regression of average daily milk yield on temperature and humidity taken together was, however, negative and significant (-3.397±0.887). Temperature and humidity together explained 62.15% of variation in milk yield/cow/day which was higher than that explained either by temperature or humidity alone and the indices indicating that temperature and humidity combination in absolute values should be taken instead of constructing meteorological indices for explaining variation in milk yield/cow/day.
 
Publisher Directorate of Knowledge Management in Agriculture
 
Contributor —
 
Date 2013-10-03
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
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Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/33729
 
Source The Indian Journal of Animal Sciences; Vol 65, No 9 (1995)
0367-8318
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/33729/14953
 
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