The Effect of Exogenous Testosterone on Parental Behavior, Plasma Prolactin, and Prolactin Binding Sites in Dark-Eyed Juncos

Ball, 1991, Endocrine mechanisms and the evolution of avian parental care Ball, 1987, Changes in plasma levels of sex steroids in relation to multiple-broodiness and nest site density in male starlings, Physiol. Zool., 60, 191, 10.1086/physzool.60.2.30158643 Balthazart, J. 1983, Hormonal correlates of behavior, D. S. FarnerJ. R. KingK. C. Parkes, Avian Biology, VII, 221, 365, Academic Press, New York Bentley, 1997, Photorefractoriness in European starlings (Sturnus vulgaris, Gen. Comp. Endocrinol., 107, 428, 10.1006/gcen.1997.6941 Bern, 1968, The comparative endocrinology of prolactin, Rec. Prog. Horm. Res., 24, 681 Bridges, 1990, Central prolactin infusions stimulate maternal behavior in steroid-treated multiparous female rats, Proc. Natl. Acad. Sci. USA, 87, 8003, 10.1073/pnas.87.20.8003 Buntin, 1996, Neural and hormonal control of parental behavior in birds, 161, 10.1016/S0065-3454(08)60333-2 Buntin, 1991, Facilitation of parental behavior in ring doves by systemic or intracranial injections of prolactin, Horm. Behav., 25, 424, 10.1016/0018-506X(91)90012-7 Buntin, 1993, Prolactin receptors in dove brain: Autoradiographic analysis of binding characteristics in discrete brain regions and accessibility to blood-bourne prolactin, Neuroendocrinology, 57, 738, 10.1159/000126432 Chandler, 1994, Effects of testosterone on spatial activity in free-ranging male dark-eyed juncos,Junco hyemalis, Anim. Behav., 47, 1445, 10.1006/anbe.1994.1191 Chandler, 1997, Effects of testosterone on use of space by male dark-eyed juncos when their mates are fertile, Anim. Behav., 54, 543, 10.1006/anbe.1996.0448 Fleming, 1974, Maternal behavior in the virgin and lactating rat, J. Comp. Physiol. Psychol., 86, 957, 10.1037/h0036414 Goldsmith, 1991, Prolactin and avian reproductive strategies, 2063 Hnasko, 1993, Functional mapping of neural sites mediating prolactin-induced hyperphagia in doves, Brain Res., 623, 257, 10.1016/0006-8993(93)91436-V Hegner, 1987, Effects of experimental manipulation of testosterone levels on parental investment in male house sparrows, Auk, 104, 462, 10.2307/4087545 Hollenberg, 1985, Control of receptor function by homologous and heterologous ligands, 295 Hunt, K. E. Hahn, T. P. Wingfield, J. C. Endocrine influences on parental care during a short breeding season: Testosterone and male parental care in Lapland longspurs, Behav. Ecol. Sociobiol. Karten, 1967 Ketterson, 1996, Phenotypic engineering: Using hormones to explore the mechanistic and functional bases of phenotypic variation in nature, Ibis, 138, 70, 10.1111/j.1474-919X.1996.tb04769.x Ketterson, 1991, Testosterone and avian life histories: Effects of experimentally elevated testosterone on corticosterone, body mass, and annual survivorship of male dark-eyed juncos (Junco hyemalis, Horm. Behav., 25, 489, 10.1016/0018-506X(91)90016-B Ketterson, 1990, Effects of sex, stage of reproduction, season, and mate removal on prolactin in dark-eyed juncos, Condor, 92, 922, 10.2307/1368728 Ketterson, 1992, Testosterone and avian life histories: Effects of experimentally elevated testosterone on behavior and correlates of fitness in the dark-eyed junco (Junco hyemalis, Am. Naturalist Suppl., 140, s33, 10.1086/285396 Kuentzel, 1988 Lea, 1991, Passive immunization against chicken vasoactive intestinal polypeptide suppresses plasma prolactin and crop sac development in incubating ring doves, Horm. Behav., 25, 283, 10.1016/0018-506X(91)90002-Y Macnamee, 1986, Evidence that vasoactive intestinal polypeptide is a physiological prolactin-releasing factor in the bantam hen, Gen. Comp. Endocrinol., 62, 470, 10.1016/0016-6480(86)90057-2 Nishikawa, 1994, Progesterone and EGF inhibit mouse mammary gland prolactin receptor and β-casein gene expression, Am. J. Physiol., 267, C1467, 10.1152/ajpcell.1994.267.5.C1467 Numan, 1994, Maternal behavior, 221 Opel, 1988, Stimulation of prolactin release in turkeys by vasoactive intestinal peptide, Proc. Soc. Exp. Biol. Med., 187, 455, 10.3181/00379727-187-42688 Oring, 1989, Testosterone-induced inhibition of incubation in the spotted sandpiper (Actitis macularia, Horm. Behav., 23, 412, 10.1016/0018-506X(89)90053-6 Rosenblatt, 1992, Hormone–behavior relations in the regulation of parental behavior, 219 Saino, 1995, Testosterone-induced depression of male parental behavior in the barn swallow: Female compensation and effects on seasonal fitness, Behav. Ecol. Sociobiol., 33, 151, 10.1007/BF00177791 Schoech, 1996, Delayed breeding in the cooperatively breeding Florida scrub-jay (Aphelocoma coerulescens, Behav. Ecol. Sociobiol., 39, 77, 10.1007/s002650050269 Sharp, 1989, The role of hypothalamic vasoactive intestinal polypeptide in the maintenance of prolactin secretion in incubating bantam hens: Observations using passive immunization, radioimmunoassay and immunocytochemistry, J. Endocrinol., 122, 5, 10.1677/joe.0.1220005 Silverin, 1980, Effects of long-acting testosterone treatment on free-living pied flycatchers,Ficedula hypoleuca, Anim. Behav., 28, 906, 10.1016/S0003-3472(80)80152-7 Slawski, 1995, Preoptic area lesions disrupt prolactin-induced parental feeding behavior in ring doves, Horm. Behav., 29, 248, 10.1006/hbeh.1995.1018 Systat, 1996, Systat 6.0 for Windows: Statistics, SPSS, Chicago Wingfield, 1987, Testosterone and aggression in birds, Am. Sci., 75, 602 Wingfield, 1975, The determination of five steroids in avian plasma by radioimmunoassay and competative protein-binding, Steroids, 26, 311, 10.1016/0039-128X(75)90077-X Wingfield, 1976, Avian endocrinology—Field investigations and methods, Condor, 78, 570, 10.2307/1367117 Wingfield, 1990, The “challenge hypothesis”: Theoretical implications for patterns of testosterone secretion, mating sytems, and breeding strategies, Amer. Nat., 136, 829, 10.1086/285134 Wingfield, 1991, Natural regulation of reproductive cycles, 181 Wingfield, 1989, Interactions of sex steroid hormones and prolactin in maleand female song sparrows,Melospiza melodia, Physiol. Zool., 62, 11, 10.1086/physzool.62.1.30159995 Youngren, 1989, Effects of preoptic and hypothalamic lesions in female turkeys during a photoinduced reproductive cycle, Biol. Reprod., 41, 610, 10.1095/biolreprod41.4.610 Youngren, 1991, Intracranial prolactin perfusion induces incubation behavior in turkey hens, Biol. Reprod., 44, 425, 10.1095/biolreprod44.3.425