?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Male-induced+estrus+synchronization+in+the+female+Siberian+hamster+(Phodopus+sungorus+sungorus)&rft.creator=Dodge%2C+Dr.+J.C.&rft.creator=Kristal%2C+Dr.+M.B.&rft.creator=Badura%2C+Dr.+L.L.&rft.subject=Behavioral+Neuroscience&rft.subject=Animal+Behavior&rft.subject=Behavioral+Biology&rft.subject=Population+Biology&rft.subject=Neuroendocrinology&rft.description=Olfactory+cues+play+an+integral+role+in+the+organization+of+events+that+mediate+reproductive+success.+In+a+variety+of+species%2C+priming%0D%0Apheromones%2C+in+particular%2C+are+important+for+ensuring+reproductive+fitness.+To+date%2C+very+little+research+has+focused+on+how+male-emitted%0D%0Apriming+pheromones%2C+such+as+those+that+regulate+the+onset+of+puberty+and+estrus+synchronization+in+females%2C+affect+the+reproductive%0D%0Aphysiology+of+the+female+Siberian+hamster+(Phodopus+sungorus+sungorus).+This+lack+of+research+may+be+due+to+the+physiology+of+the%0D%0APhodopus+genus%3B+vaginal+cytology+cannot+be+used+as+a+reliable+indicator+of+estrus+or+ovulation.+Using+a+jugular+cannulation+technique+to%0D%0Adetermine+estrous+stage+by+blood+analysis+of+prolactin+and+luteinizing+hormone%2C+we+sought+to+determine+if+male+priming+pheromones+affect%0D%0Aestrous+cyclicity+in+the+female+Siberian+hamster+and%2C+if+so%2C+whether+the+production+of+these+priming+pheromones+is+androgen+dependent.+Our+results+showed+that+females+exposed+to+bedding+from+mature%2C+intact+males+showed+a+significantly+higher+incidence+of+proestrus+3+days+later+than+did+females+exposed+to+the+bedding+of+mature%2C+gonadectomized+males.+Therefore%2C+we+found+that+not+only+do+male+Siberian+hamsters+emit+chemical+signals+that+induce+estrus+synchronization%2C+but+also+that+this+ability+is+likely+to+be+androgen+dependent.&rft.publisher=Elsevier&rft.date=2002&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F8955%2F1%2FPhysio%2520Behav.pdf&rft.identifier=++Dodge%2C+Dr.+J.C.+and+Kristal%2C+Dr.+M.B.+and+Badura%2C+Dr.+L.L.++(2002)+Male-induced+estrus+synchronization+in+the+female+Siberian+hamster+(Phodopus+sungorus+sungorus).++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F8955%2F