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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(4): 3632-3639
DOI: https://doi.org/10.20546/ijcmas.2018.704.409


Assessment of Hormone Status and Its Correlation with Milk Production during Different Stages of Lactation in Indigenous and Crossbred Cows
M. Surya Prakash1, J.S. Arya2, P.M. Lunagariya3 and M.M. Pathan1*
1Department of Veterinary Physiology and Biochemistry, College of Veterinary Science and Animal Husbandry, Anand Agricultural University, Anand, Gujarat, India
2Aravalli College of Veterinary Science and Animal Husbandry, Rajasthan Agricultural University, Sikar, Rajasthan, India
3Livestock Research Station, College of Veterinary Science and Animal Husbandry,
Anand Agricultural University, Anand, Gujarat, India
*Corresponding author
Abstract:

The study was undertaken to determine and compare the activity of important enzymes and its correlation with milk production in cattle. The study was done on each of six Gir, Kankrej and Crossbred cattle. The animals were divided in to three groups viz. 0-90 days of lactation (Group I), 91-180 days of lactation (group II) and 181 till dry stage (group III). Blood was collected aseptically before and after milking and clear plasma was separated and stored until analyzed. The samples were analysed for endocrine parameters by RIA and IRMA method. Hormone levels were differed significantly between different breeds. Level of Insulin, and Prolactin were higher in Gir, whereas, Kankrej found with highest level of T3 and crossbred found with high concentration of cortisol. Hormone levels of T3 andT4 increased while prolactin decreased with advancement of lactation. The hormones studied found negative correlation with milk yield.


Keywords: Cattle, Correlation, Hormone, Lactation, Milk production
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How to cite this article:

Surya Prakash, M., J.S. Arya, P.M. Lunagariya and Pathan, M.M. 2018. Assessment of Hormone Status and Its Correlation with Milk Production during Different Stages of Lactation in Indigenous and Crossbred Cows.Int.J.Curr.Microbiol.App.Sci. 7(4): 3632-3639. doi: https://doi.org/10.20546/ijcmas.2018.704.409