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Variation in milk constituents during different parity and seasons in Murrah buffaloes

Indian Agricultural Research Journals

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Title Variation in milk constituents during different parity and seasons in Murrah buffaloes
 
Creator YADAV, S P
SIKKA, P
KUMAR, D
SARKAR, SUSHEEL
PANDEY, A K
YADAV, P S
SETHI, R K
 
Subject Murrah buffaloes, Milk fat, Peak yield, Protein, Lactose, Season, Stage of lactation
 
Description The characteristics of lactation curves and effect of lactation stage, parity and season on milk yield and level of itsconstituents were investigated in 100 buffaloes varying from parities 1 to 7 at institute farm. Average lactation length overall experimental animals was 323 days. Milk yield,% fat, protein and lactose varied from 4.3 to 9.5 kg, 7.19±0.04to 8.63±0.07g%, 3.46±0.01 to 3.56 g% and 4.36 to 4.60% respectively. Effect of lactation stage on milk yield, milk fatand lactose content was significant. Milk protein did not vary significantly over the stages of lactation. Lactose increasedsignificantly up to sixth month of lactation, however, change in milk lactose content was not significant thereafter. Milk yield declined significantly during late stage of lactation with a significant concomitant increase in milk fat. Content of milk protein and lactose remained the least variable milk constituents. The study revealed that trend in variation of milkyield and major milk constituents during entire lactation in buffaloes was comparable with cows. Level of milk yield inbuffaloes decreased by 9% during hot and humid months due to summer stress and increased by 10.6% during winter inpresent study. Milk fat level decreased and protein content increased significantly during winter. Milk fat and proteinlevels were more in advance parities indicating significant effect of parity on milk composition. Data on levels of milkconstituents varying over the lactation stages and parities in buffaloes were important phenotype indices for developinggenomic selection programme in buffaloes
 
Publisher Directorate of Knowledge Management in Agriculture
 
Contributor —
 
Date 2013-07-10
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
—
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/31355
 
Source The Indian Journal of Animal Sciences; Vol 83, No 7 (2013)
0367-8318
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/31355/14073
 
Rights Copyright (c) 2014 The Indian Journal of Animal Sciences