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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
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(3): 2052-2055
DOI: https://doi.org/10.20546/ijcmas.2019.803.244


Study on Stable Lactation of Jersey Cross Breed
Radhika Thakur*, R.K. Gupta and P.K. Mahajan
Department of Basic Sciences, College of Forestry, Dr. Y. S. Parmar University of Horticulture and Forestry Nauni- Solan, Himachal Pradesh-173230, India
*Corresponding author
Abstract:

Milk yield data of 4 Jersey cross cows were taken from Dairy Farm of Department of Silviculture and Agroforestry, Dr. Y S Parmar University of Horticulture and Forestry Nauni- Solan, Himachal Pradesh from 1978-2014. Data were used on stability analysis of milk yield of Jersey cross cows to find out stable lactation. Wricke proposed ‘Ecovalence’ based on means. Study on Wricke ecovalence indicates a generalized estimate of study of performance based on means under more than two months. Ecovalence is generally expressed in percentage. As percentage of ecovalence (Wi) is inversely associated with lactation stability, a low percentage of Wi indicates high stability of performance. Therefore, lactation 5 was found to be high stable lactation.


Keywords: Stability analysis, Wricke Ecovalence Model, Lactations, Milk yield, Jersey cross breed
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How to cite this article:

Radhika Thakur, R.K. Gupta and Mahajan, P.K. 2019. Study on Stable Lactation of Jersey Cross Breed.Int.J.Curr.Microbiol.App.Sci. 8(3): 2052-2055. doi: https://doi.org/10.20546/ijcmas.2019.803.244