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17 September 2010

Timing of oestrus and reproductive behaviour in Indian street dogs

Reproductive behaviour in the domestic dog (Canisfamiliaris) is normally believed to be non-seasonal (Reece 1991) with the bitch experiencing oestrus every seven months on average (Concannon 1991, Feldman and Nelson 1996). The interval between oestrus varies considerably between individuals and also between breeds (Bouchard and others 1991). With the exception of the basenji which has only one oestrous cycle per year (Feldman and Nelson 1996), this pattern is shown by all breeds of dog, including mongels, regardless of management or housing practices (Concannon 1991). In contrast, other members of the genus Canis are seasonal breeders usually having one period of breeding activity in the early months of the year, the northern hemisphere spring (Sheldon 1992). Since November 1994, a programme has been conducted in Jaipur, Rajasthan, India, to control both rabies and the population of free-running street dogs in this city. The programme aims to sterilise (by complete ovariohysterectomy through a right flank incision) and vaccinate female street dogs. Monthly records were maintained over a four-year period of the number of bitches found to be pregnant at the time of surgery. Records have also been kept for three-and-a-half years of the number of bitches in oestrus at the time of surgery, and of the number of fetuses aborted over a twoand-a-half year period. The Veterinary Record, April 6, 2002
Author/Organization: CHAWLA, S. K. and REECE, J. F.
Year: 2002
Where: India
Topics: animal health, dog population management, stray dogs