Genetic and non genetic factors affecting monthly part lactation milk yields in Sahiwal cattle


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Authors

  • U T MUNDHE PhD Scholar, National Dairy Research Institute, Karnal, Haryana 132 001 India
  • R S GANDHI ADG (Animal Production and Breeding), ICAR, New Delhi
  • D N DAS Principal Scientist, Department of Animal Genetics and Breeding, NDRI, Southern Regional Station, Bengaluru
  • V B DONGRE Assistant Professor, Department of Animal Genetics and Breeding, Junagadh Agricultural University, Junagadh
  • ATUL GUPTA Assistant Professor, Department of Animal Genetics and Breeding, SVPUA&T, Meerut

https://doi.org/10.56093/ijans.v85i5.48586

Keywords:

Genetic correlations, Least squares, Part lactation

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References

Becker W A. 1975. Manual of Quantitative Genetics. 3rd edn. Publication Program in Genetics, Washington State University, Washington, USA.

Gaur G K and Raheja K L. 1996. Genetic evaluation of Sahiwal sires based on milk yield of their daughters at earliest stage of lactation. Indian Journal of Veterinary Research 5: 7–13.

Harvey W R. 1966. Least Squares Analysis of Data with Unequal Sub-Class Numbers. Agricultural Research Services, United State Department of Agriculture, USA.

Kathiravan P, Sachdeva G K, Gandhi R S, Raja T V, Singh P K and Singh A. 2009. Genetic evaluation of first lactation and reproduction traits in Sahiwal cattle. Journal of Livestock Biodiversity 1: 51–55.

Kumar S. 1990. ‘Genetic studies on part lactations for sire evaluation in Sahiwal cattle.’ M. Sc. Thesis, NDRI, (Deemed University), Karnal, India.

Monalisa D, Gandhi R S, Raja T V, Avtar Singh and Sachdeva G K. 2010. Influence of certain non-genetic factors on test day milk records in Sahiwal cattle. Indian Journal of. Dairy Science 63: 504–06.

Raja T V. 2010. ‘Part lactation records for Sahiwal sire evaluation.’ Ph.D. Thesis, NDRI, Karnal, India.

Roy T C, Mahanta P K, Deka D, and Das B. 2001. Effects of season, period and age at first calving on the part lactation milk yields in Holstein-Friesian cattle of Meghalaya. Indian Journal of Animal Health 40: 163–67.

Singh M, Chaudhary R P, Singh R V and Singh C V. 1988. A genetic study of part lactation production on Sahiwal cows. Indian Journal of Animal Sciences 58: 860–61.

Singh S. 2006. ‘Genetic evaluation of Karan Fries sires on the basis of part lactation milk yields.’ M. Sc. Thesis, NDRI, (Deemed University), Karnal, India.

Snedecor G W and Cochran W G. 1967. Statistical Methods. Oxford & IBH Publ. Co., New Delhi, India.

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Submitted

2015-05-15

Published

2015-05-15

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Section

Short-Communication

How to Cite

MUNDHE, U. T., GANDHI, R. S., DAS, D. N., DONGRE, V. B., & GUPTA, A. (2015). Genetic and non genetic factors affecting monthly part lactation milk yields in Sahiwal cattle. The Indian Journal of Animal Sciences, 85(5), 517–518. https://doi.org/10.56093/ijans.v85i5.48586
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