Search Results - "Grant Feist"

Whole-body cortisol response of zebrafish to acute net handling stress by Ramsay, Jennifer M., Feist, Grant W., Varga, Zoltán M., Westerfield, Monte, Kent, Michael L., Schreck, Carl B.

“…Zebrafish, Danio rerio, are frequently handled during husbandry and experimental procedures in the laboratory, yet little is known about the physiological…”
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Whole-body cortisol is an indicator of crowding stress in adult zebrafish, Danio rerio by Ramsay, Jennifer M., Feist, Grant W., Varga, Zoltán M., Westerfield, Monte, Kent, Michael L., Schreck, Carl B.

“…Plasma cortisol levels have been used to evaluate the stress response in a variety of cultured fish species. However, little is known about the stress response…”
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Identification of plasma glucocorticoids in pallid sturgeon in response to stress by Webb, Molly A.H, Allert, J. Alan, Kappenman, Kevin M, Marcos, Josep, Feist, Grant W, Schreck, Carl B, Shackleton, Cedric H

“…Abstract Compared to teleosts, little is known about the stress response in chondrosteans, and the glucocorticoid(s) most responsive to stress have never been…”
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Evidence of Detrimental Effects of Environmental Contaminants on Growth and Reproductive Physiology of White Sturgeon in Impounded Areas of the Columbia River by Feist, Grant W., Molly A. H. Webb, Gundersen, Deke T., Foster, Eugene P., Schreck, Carl B., Maule, Alec G., Fitzpatrick, Martin S.

“…This study sought to determine whether wild white sturgeon from the Columbia River (Oregon) were exhibiting signs of reproductive endocrine disruption. Fish…”
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Stress does not inhibit induced vitellogenesis in juvenile rainbow trout by Schwindt, Adam R, Feist, Grant W, Schreck, Carl B

“…Vitellogenin (Vtg) is a widely used biomarker for xenoestrogen exposure in male fishes. In female fishes Vtg can be negatively affected by stress independent…”
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Potential Classification of Sex and Stage of Gonadal Maturity of Wild White Sturgeon Using Blood Plasma Indicators by Webb, Molly A. H., Feist, Grant W., Foster, Eugene P., Schreck, Carl B., Fitzpatrick, Martin S.

“…Because white sturgeon Acipenser transmontanus show no readily discernible external signs of gender, management agencies use surgical biopsies to determine the…”
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Short-Term Exposure of Chinook Salmon (Oncoryhnchus tshawytscha) to o,p'-DDE or DMSO during Early Life-History Stages Causes Long-Term Humoral Immunosuppression by Ruth H. Milston, Fitzpatrick, Martin S., Vella, Anthony T., Shaun Clements, Deke Gundersen, Grant Feist, Tawni L. Crippen, Joann Leong, Schreck, Carl B.

“…We evaluated the effect of short-term exposures to a xenobiotic chemical during early life-history stages on the long-term immune competence of chinook salmon…”
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Effects of thermal regime on ovarian maturation and plasma sex steroids in farmed white sturgeon, Acipenser transmontanus by Webb, Molly A.H., Van Eenennaam, Joel P., Feist, Grant W., Linares-Casenave, Javier, Fitzpatrick, Martin S., Schreck, Carl B., Doroshov, Serge I.

“…Recently, commercial aquaculture farms in Northern California have exposed gravid, cultured white sturgeon females to cold water (12±1°C) throughout the late…”
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The Effect of Food Deprivation on the Cortisol Response to Crowding in Juvenile Steelhead by Ramsay, Jennifer M., Feist, Grant W., Schreck, Carl B., Couture, Ryan, O'Neil, Joseph, Noakes, David L. G.

“…Routine salmonid hatchery procedures include food deprivation, handling, and crowding of fish before sorting, transporting, or stocking. Although several…”
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Ovarian steroidogenesis in white sturgeon ( Acipenser transmontanus) during oocyte maturation and induced ovulation by Webb, Molly A.H, Feist, Grant W, Trant, John M, Van Eenennaam, Joel P, Fitzpatrick, Martin S, Schreck, Carl B, Doroshov, Serge I

“…Ovarian follicles and plasma were collected from two female white sturgeon, Acipenser transmontanus, injected with sturgeon pituitary homogenate followed 12 h…”
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Brain–Pituitary–Gonadal Axis during Early Development and Sexual Differentiation in the Rainbow Trout,Oncorhynchus mykiss by Feist, Grant, Schreck, Carl B.

“…Profiles of testosterone, 11-ketotestosterone, androstenedione, and estradiol were determined by RIA, and immunocytochemical techniques were employed to…”
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3,3′,4,4′-Tetrachlorobiphenyl affects cortisol dynamics and hepatic function in rainbow trout by Vijayan, Mathilakath M., Feist, Grant, Otto, Diana M.E., Schreck, Carl B., Moon, Tom W.

“…This study investigates the impact of 3,3′,4,4′-tetrachlorobiphenyl (TCBP), a polychlorinated biphenyl (PCB) congener and cytochrome P-450 inducer, on cortisol…”
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Sex steroid profiles of coho salmon (Oncorhynchus kisutch) during early development and sexual differentiation by Feist, G, Schreck, C B, Fitzpatrick, M S, Redding, J M

“…Sex steroids were measured by radioimmunoassay in whole-body extracts of coho salmon, Oncorhynchus kisutch, during early development and sexual…”
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Early identification of sex in cultured white sturgeon, Acipenser transmontanus, using plasma steroid levels by Feist, Grant, Van Eenennaam, Joel P., Doroshov, Serge I., Schreck, Carl B., Schneider, Richard P., Fitzpatrick, Martin S.

“…In sturgeon aquaculture, it is advantageous to sex fish as early as possible so that males can be used for meat production and females reserved for caviar…”
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Ontogeny of the stress response in chinook salmon, Oncorhynchus tshawytscha by Feist, Grant, Schreck, Carl B

“…Whole body concentrations of cortisol were determined via radioimmunoassay in chinook salmon, Onchorynchus tshawytscha, during early development in both…”
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Early identificaton of sex in cultured white sturgeon, Acipenser transmontanus, using plasma steroid levels by Feist, Grant, Van Eenennaam, Joel P, Doroshov, Serge I, Schreck, Carl B

“…In sturgeon aquaculture, it is advantageous to sex fish as early as possible so that males can be used for meat production and females reserved for caviar…”
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Physiological stress responses of the freshwater chondrostean paddlefish ( Polyodon spathula) to acute physical disturbances by Barton, Bruce A, Rahn, Andrew B, Feist, Grant, Bollig, Herbert, Schreck, Carl B

“…Juvenile paddlefish ( Polyodon spathula) subjected to various physical disturbances showed significant increases in plasma cortisol and lactate, but little or…”
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The production of functional sex-reversed male rainbow trout with 17α-methyltestosterone and 11 β-hydroxyandrostenedione by Feist, Grant, Yeoh, Choo-Guan, Fitzpatrick, Martin S., Schreck, Carl B.

“…The sex of gynogenetic rainbow trout was reversed to produce XX males by using two steroids, 17α-methyltestosterone (MT) and 11 β-hydroxyandrostenedione (OHA)…”
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Conditioning improves performance of juvenile chinook salmon, Oncorhynchus tshawytscha, to transportation stress by Schreck, Carl B., Jonsson, Logi, Feist, Grant, Reno, Paul

“…A positive conditioning approach was used, where a dewatering Stressor was associated with feeding, to help moderate the severity of the response of juvenile…”
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Endogenous Steroid Metabolism Is Indicated by Fluctuations of Endogenous Steroid and Steroid Glucuronide Levels in Early Development of the Steelhead Trout (Oncorhynchus mykiss) by Yeoh, Choo-Guan, Schreck, Carl B., Feist, Grant W., Fitzpatrick, Martin S.

“…Concentrations of endogenous steroids and their glucuronide conjugates fluctuated during early development in steelhead troutOncorhynchus mykiss.Whole body…”
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