Search Results - "Astheimer, Lee B"

Frequency-dependent physiological trade-offs between competing colour morphs by Pryke, Sarah R, Astheimer, Lee B, Buttemer, William A, Griffith, Simon C

“…Erythrura gouldiae…”
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Increased probiotic yogurt or resistant starch intake does not affect isoflavone bioavailability in subjects consuming a high soy diet by Larkin, Theresa A., Ph.D, Price, William E., Ph.D, Astheimer, Lee B., Ph.D

“…Abstract Objective Probiotics and prebiotics that affect gut microflora balance and its associated enzyme activity may contribute to interindividual variation…”
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Cholinesterase response in native birds exposed to fenitrothion during locust control operations in eastern Australia by Fildes, Karen, Astheimer, Lee B., Story, Paul, Buttemer, William A., Hooper, Michael J.

“…Huge aggregations of flightless locust nymphs pose a serious threat to agriculture when they reach plague proportions but provide a very visible and nutritious…”
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No evidence of metabolic costs following adaptive immune activation or reactivation in house sparrows by Buttemer, William A, O'Dwyer, Terence W, Astheimer, Lee B, Klasing, Kirk C, Hoye, Bethany J

“…The energy cost of adaptive immune activation in endotherms is typically quantified from changes in resting metabolic rate following exposure to a novel…”
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Limited lipid-lowering effects of regular consumption of whole soybean foods by Meyer, Barbara J, Larkin, Theresa A, Owen, Alice J, Astheimer, Lee B, Tapsell, Linda C, Howe, Peter R C

“…To examine cardiovascular health benefits of foods containing a whole soybean extract. The study design was a randomized, placebo-controlled crossover trial of…”
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Covariation in Life-History Traits: Differential Effects of Diet on Condition, Hormones, Behavior, and Reproduction in Genetic Finch Morphs by Pryke, Sarah R., Astheimer, Lee B., Griffith, Simon C., Buttemer, William A.

“…The relative contribution of genetic and environmental factors in determining variation in life-history traits is of central interest to evolutionary…”
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Fipronil toxicity in northern bobwhite quail Colinus virginianus: Reduced feeding behaviour and sulfone metabolite formation by Kitulagodage, Malsha, Isanhart, John, Buttemer, William A., Hooper, Michael J., Astheimer, Lee B.

“…► Signs of fipronil toxicity in Northern Bobwhite Quail ► Absence of feeding and rapid weight loss after exposure to fipronil ► Metabolism of fipronil to its…”
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Lack of seasonal and moult-related stress modulation in an opportunistically breeding bird: The white-plumed honeyeater (Lichenostomus penicillatus) by Buttemer, William A., Addison, BriAnne A., Astheimer, Lee B.

“…This article is part of a Special Issue “SBN 2014”. In most vertebrate species, glucocorticoid levels and stress sensitivity vary in relation to season and…”
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Fenitrothion, an organophosphorous insecticide, impairs locomotory function and alters body temperatures in Sminthopsis macroura (Gould 1845) without reducing metabolic rates during running endurance and thermogenic performance tests by Story, Paul G., French, Kris, Astheimer, Lee B., Buttemer, William A.

“…Endemic Australian mammal species are exposed to pesticides used for locust control as they occupy the same habitat as the target insect. The authors examined…”
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Adverse effects of fipronil on avian reproduction and development: maternal transfer of fipronil to eggs in zebra finch Taeniopygia guttata and in ovo exposure in chickens Gallus domesticus by Kitulagodage, Malsha, Buttemer, William A., Astheimer, Lee B.

“…Two studies were carried out to examine the impact of maternal fipronil exposure on embryonic and offspring development. In the first study, breeding female…”
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A ‘slow pace of life’ in Australian old-endemic passerine birds is not accompanied by low basal metabolic rates by Bech, Claus, Chappell, Mark A., Astheimer, Lee B., Londoño, Gustavo A., Buttemer, William A.

“…Life history theory suggests that species experiencing high extrinsic mortality rates allocate more resources toward reproduction relative to self-maintenance…”
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Acute oral toxicity of the organophosphorus pesticide fenitrothion to fat-tailed and stripe-faced dunnarts and its relevance for pesticide risk assessments in Australia by Story, Paul, Hooper, Michael J., Astheimer, Lee B., Buttemer, William A.

“…The scarcity of information on the effects of pesticides on native Australian vertebrates constrains the development of biologically relevant risk assessments…”
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Effect of Acute Fenitrothion Exposure on a Variety of Physiological Indices, Including Avian Aerobic Metabolism During Exercise and Cold Exposure by Fildes, Karen, Astheimer, Lee B, Buttemer, William A

“…The effect of fenitrothion exposure on birds was examined by measuring aerobic metabolism, blood hemoglobin content, plasma cholinesterases, and body weight…”
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Resource allocation across the egg laying sequence in the wild zebra finch Taeniopygia guttata by Griffith, Simon C., Pariser, Emma C., Tschirren, Barbara, Astheimer, Lee B.

“…Zebra finches have played a central role in the discovery of a variety of maternal effects over the past decade, with females shown to adjust resource…”
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Predicting Avian Distributions to Evaluate Spatiotemporal Overlap with Locust Control Operations in Eastern Australia by Szabo, Judit K., Davy, Pamela J., Hooper, Michael J., Astheimer, Lee B.

“…Locusts and grasshoppers cause considerable economic damage to agriculture worldwide. The Australian Plague Locust Commission uses multiple pesticides to…”
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Fenitrothion, an organophosphate, affects running endurance but not aerobic capacity in fat-tailed dunnarts ( Sminthopsis crassicaudata) by Buttemer, William A., Story, Paul G., Fildes, Karen J., Baudinette, Russell V., Astheimer, Lee B.

“…We measured aerobic metabolism during cold exposure and exercise performance (run duration and oxygen consumption while running at 1 m s −1) in the fat-tailed…”
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The Annual Testosterone Profile in Cooperatively Breeding Superb Fairy-Wrens, Malurus cyaneus, Reflects Their Extreme Infidelity by Peters, Anne, Astheimer, Lee B., Cockburn, Andrew

“…Superb fairy-wrens are cooperatively breeding birds that combine stable, socially monogamous pair bonds and high levels of paternal care, with extreme levels…”
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Modulation of the Adrenocortical Responses to Acute Stress in Arctic Birds: A Possible Ecological Basis by Wingfield, John C., O'Reilly, Kathleen M., Astheimer, Lee B.

“…There is considerable evidence that the increases in circulating corticosterone levels following acute stress, such as sudden storms, can trigger facultative…”
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Steroid Hormone Interrelationships with Territorial Aggression in an Arctic-Breeding Songbird, Gambel's White-Crowned Sparrow, Zonotrichia leucophrys gambelii by Meddle, Simone L., Romero, L.Michael, Astheimer, Lee B., Buttemer, William A., Moore, Ignacio T., Wingfield, John C.

“…The breeding season is very brief for arctic-breeding passerines, and any interruptions of parental care by aggressive interactions over territory may reduce…”
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Testosterone does not affect basal metabolic rate or blood parasite load in captive male White-plumed Honeyeaters Lichenostomus penicillatus by Buttemer, William A., Astheimer, Lee B.

“…We examined physiological and morphological responses of reproductively active male White-plumed Honeyeaters Lichenostomus penicillatus to exogenous…”
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