Identifying factors affecting age at first semen freezing and age at first semen use in Sahiwal bulls.

Journal: Veterinary world
Published Date: Jul 29, 2015

Abstract

AIM: The objective of the study was to evaluate the effects of non-genetic factors on reproduction traits viz. age at first semen freezing and age at first semen use of breeding bulls in Sahiwal bulls by fitting least-squares analysis.

Authors

  • B C Naha
    Division of Animal Genetics, Indian Council of Agricultural Research, Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India.
  • A K Chakravarty
    Artificial Breeding Research Centre, National Dairy Research Institute, Karnal - 132 001, Haryana, India.
  • M A Mir
    Dairy Cattle Breeding Division, Indian Council of Agricultural Research, National Dairy Research Institute, Karnal, Haryana, India.
  • V Jamuna
    Dairy Cattle Breeding Division, Indian Council of Agricultural Research, National Dairy Research Institute, Karnal, Haryana, India.
  • A P Singh
    Dairy Cattle Breeding Division, Indian Council of Agricultural Research, National Dairy Research Institute, Karnal, Haryana, India.
  • D Maher
    Dairy Cattle Breeding Division, Indian Council of Agricultural Research, National Dairy Research Institute, Karnal, Haryana, India.

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