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Sources of Oestrous Odours in Cattle

  • G. C. Perry
  • Susan E. Long

Abstract

Oestrus detection in the absence of a bull is relatively poor and averages 40% in Britain (Milk Marketing Board, 1986), but 95–100% of oestrous cows running with bulls in small herds are recognised and mounted (Blockley, 1976). Some bulls have also been shown to identify pro-oestrous cows (Kerruish, 1955; Reinhardt, 1983; Stevens, 1983; MAFF, 1984). The breeding efficiency of cattle in commercial situations will therefore increase if improved oestrus detection methods are developed.

Keywords

Reproductive Tract Sweat Gland Sebaceous Gland Oestrous Cycle Sweating Rate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • G. C. Perry
    • 1
  • Susan E. Long
    • 1
  1. 1.Department of Animal HusbandryUniversity of BristolLangford, BristolUK

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