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Nursing behavior in lactating rats--the role of the vomeronasal organ
T R Saito1, N Igarashi, R Hokao
1Department of Pharmacology, Kyorin University School of Medicine, Tokyo, Japan.
The vomeronasal organ (VNO) of female Wistar-Imamichi rats was removed completely. The females were impregnated and gave birth to young. The question addressed was whether such dams would show deficits in nursing behavior. The data indicated that removal of the VNO severely depressed nursing behavior. We conclude that the VNO contributes to the nursing behavior of lactating rats.
The vomeronasal organ (VNO) of female Wistar-Imamichi rats was removed completely. The females were impregnated and gave birth to young. The question addressed was whether such dams would show deficits in nursing behavior. The data indicated that removal of the VNO severely depressed nursing behavior. We conclude that the VNO contributes to the nursing behavior of lactating rats.