Reproduction in Domestic Animals

Non-invasive Monitoring of Hormones 81management of felids in zoos, urinary relaxin analysiswill be an important research tool supposed urinecollections could be arranged. Due to species specificbarriers further research is necessary to assess whetherurinary relaxin could be used to diagnose pregnancyin other felids. For free-ranging populations,however, techniques based on faecal samples areessential for studying animals within their naturalhabitat.ReferencesAddiego LA, Tsutsui T, Stewart DR, Stabenfeldt GH, 1987:Determination of the source of immunoreactive relaxin inthe cat. 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