Search Results - "Millam, James R."

Personality traits of pair members predict pair compatibility and reproductive success in a socially monogamous parrot breeding in captivity by Fox, Rebecca A., Millam, James R.

“…While pair behavioral compatibility seems to be a determinant of reproductive success in at least some species of monogamous birds, the specific factors…”
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The importance of mate behavioural compatibility in parenting and reproductive success by cockatiels, Nymphicus hollandicus by Spoon, Tracey R., Millam, James R., Owings, Donald H.

“…In species with long-term pair relationships, behavioural compatibility between mates could be a significant source of selection among pairs. We explored the…”
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Variation in the stability of cockatiel (Nymphicus hollandicus) pair relationships: the roles of males, females, and mate compatibility by Spoon, Tracey, Millam, James, Owings, Donald

“…Abstract Pair relationships and their emergent properties represent potentially significant sources of proximate and ultimate influence on mating systems, but…”
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Preference and motivation for different diet forms and their effect on motivation for a foraging enrichment in captive Orange-winged Amazon parrots ( Amazona amazonica) by Rozek, Jessica C., Millam, James R.

“…Motivation tests were conducted to assess preference strength for diet form and a cage enrichment device by Orange-winged Amazon parrots ( Amazona amazonica)…”
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Post-hatch oral estrogen exposure reduces oviduct and egg mass and alters nest-building behavior in adult zebra finches ( Taeniopygia guttata ) by Rochester, Johanna R, Heiblum, Rachel, Rozenboim, Israel, Millam, James R

“…Abstract In addition to well recognized effects on the zebra finch song system, we previously showed that post-hatch oral estrogen and xenoestrogen exposure…”
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Phytoestrogens and avian reproduction: Exploring the evolution and function of phytoestrogens and possible role of plant compounds in the breeding ecology of wild birds by Rochester, Johanna R., Millam, James R.

“…Phytoestrogens are secondary plant compounds, which can act to mimic estrogen and cause the disruption of estrogenic responses in organisms. Although there is…”
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Post-hatch oral estrogen in zebra finches ( Taeniopygia guttata ): Is infertility due to disrupted testes morphology or reduced copulatory behavior? by Rochester, Johanna R, Forstmeier, Wolfgang, Millam, James R

“…Abstract Previous studies show that post-hatch oral exposure of zebra finches to estradiol benzoate compromises male fertility, but the basis of the…”
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Use of Ratings and Direct Behavioural Observation to Measure Temperament Traits in Cockatiels (Nymphicus hollandicus) by Fox, Rebecca A, Millam, James R

“…Consistent individual variation in behaviour (often referred to as 'temperament' or 'personality') has increasingly been shown to be relevant to understanding…”
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Tuberal hypothalamic expression of the glial intermediate filaments, glial fibrillary acidic protein and vimentin across the turkey hen ( Meleagris gallopavo ) reproductive cycle: Further evidence for a role of glial structural plasticity in seasonal reproduction by Steinman, Michael Q, Valenzuela, Anthony E, Siopes, Thomas D, Millam, James R

“…Highlights • Glia regulate tuberal hypothalamic gonadotrophin releasing hormone secretion. • Glial fibrillary acidic protein (GFAP) is reduced in hypothalami…”
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Over-sized pellets naturalize foraging time of captive Orange-winged Amazon parrots ( Amazona amazonica) by Rozek, Jessica C., Danner, Lindsey M., Stucky, Paul A., Millam, James R.

“…Parrots held in captivity experience distinctly different environmental demands, as compared to their wild conspecifics, particularly in regard to feeding…”
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Bathing behavior of captive Orange-winged Amazon parrots ( Amazona amazonica) by Murphy, Shannon M., Braun, Jerome V., Millam, James R.

“…Feather maintenance behaviors, particularly preening and bathing, are nearly universal in birds, though their expression and function vary across species…”
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The effect of rope color, size and fray on environmental enrichment device interaction in male and female Orange-winged Amazon parrots ( Amazona amazonica) by Webb, Nicolaas V., Famula, Thomas R., Millam, James R.

“…Environmental enrichment devices (EDs; a.k.a. cage “toys”) are often provided to captive parrots to mitigate the austerity of their environments, but the basis…”
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Behavioural compatibility, extrapair copulation and mate switching in a socially monogamous parrot by Spoon, Tracey R., Millam, James R., Owings, Donald H.

“…Extrapair sexual behaviour may facilitate mate switching in monogamous species by allowing individuals to appraise and acquire a different mate. An individual…”
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Digit ratio unaffected by estradiol treatment of zebra finch nestlings by Forstmeier, Wolfgang, Rochester, Johanna, Millam, James R

“…Abstract There is rapidly growing evidence that the relative length of the second to fourth digit (digit ratio) in human hands is correlated with a large…”
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Preferences of Orange-winged Amazon parrots ( Amazona amazonica) for cage enrichment devices by Kim, Lilian C., Garner, Joseph P., Millam, James R.

“…Cage enrichment devices (ED), frequently termed cage “toys,” are often provided to captive parrots as a means of promoting a behaviorally stimulating…”
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2,3-cis-2R,3R-(-)-epiafzelechin-3-O-p-coumarate, a novel flavan-3-ol isolated from Fallopia convolvulus seed, is an estrogen receptor agonist in human cell lines by Brennan, Jennifer C, Denison, Michael S, Holstege, Dirk M, Magiatis, Prokopios, Dallas, Jerry L, Gutierrez, Elisa G, Soshilov, Anatoly A, Millam, James R

“…The plant genus Fallopia is well-known in Chinese traditional medicine and includes many species that contain bioactive compounds, namely phytoestrogens…”
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Expression of hypothalamic GnRH-I mRNA in the female turkey at different reproductive states and following photostimulation by Kang, Seong W., Thayananuphat, Aree, Rozenboim, Israel, Millam, James R., Proudman, John A., El Halawani, Mohamed E.

“…In birds, changes in hypothalamic gonadotropin-releasing hormone-I (GnRH-I) content and release are correlated with reproductive stages. This study examined…”
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Effects of Perchlorate on Growth and Behavior of a Granivorous Passerine, the Zebra Finch (Taeniopygia guttata) by Rainwater, Thomas R., Wood, Mary B., Millam, James R., Hooper, Michael J.

“…Perchlorate (ClO 4 − ) is a thyroid hormone inhibitor and persistent environmental contaminant that has been shown to impair thyroid function and growth in…”
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Dietary red clover ( Trifolium pratense) induces oviduct growth and decreases ovary and testes growth in Japanese quail chicks by Rochester, Johanna R., Klasing, Kirk C., Stevenson, Lindsay, Denison, Michael S., Berry, Wallace, Millam, James R.

“…To determine whether drought-stress alters phytoestrogens in red clover and whether red clover in the diet influences sexual development in Japanese quail, we…”
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An avian bioassay for environmental estrogens: The growth response of zebra finch (Taeniopygia guttata) chick oviduct to oral estrogens by Millam, James R., Craig-Veit, Christina B., Batchelder, Marianne E., Viant, Mark R., Herbeck, Tina M., Woods, Leslie W.

“…The rat uterotrophic assay is a recommended tier 1 screening assay for environmental estrogens, but no comparable assay exists for altricial birds. We orally…”
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