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Research Interests General research interests focus on the physiological responses of organisms to their social and physical environments and the subsequent influence of these physiological changes on reproduction, social behavior, and population dynamics. Current or recent research projects include: 1) Physiological and ecological correlates of priming pheromones in rodent reproduction. 2) The effects of photoperiod shifts on immunity in rodents. 3) Breeding ecology and behavior of cattle egrets in Central Arkansas. 4) Mate choice and kin recognition in golden hamsters. 5) Physiological correlates of infanticidal behavior in male mice.
Bibliography Lombardi, J.R., J.G. Vandenbergh, and J.M. Whitsett. 1976. Androgen control of the sexual maturation pheromone in house mouse urine. Biol. Reprod. 15: 179-186. Lombardi, J.R. and J.G. Vandenbergh. 1977. Pheromonally induced sexual maturation in females: Regulation by the social environment of the male. Science 196: 545-546. Lombardi, J.R. and J.M. Whitsett. 1980. Effects of urine from conspecifics on sexual maturation in female prairie deermice, Peromyscus maniculatus bairdii. J. Mammal. 61: 766-768. Vandenbergh, J.G., J.M. Whitsett, and J.R. Lombardi. 1975. Partial isolation of a pheromone accelerating puberty in female mice. J. Reprod. Fertil. 43: 515-523. Belzer, W.R. and J.R. Lombardi. 1989. Cattle egret symbiosis and heronry abondonment. Colonial Waterbirds 12: 115-117.
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