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Mostrando ítems 11-20 de 101
Assessment of urine and fecal testosterone metabolite excretion in Chinchilla lanigera males
(Elsevier Science, 2005-12)
Endemic chinchilla (Chinchilla spp.) populations are nearly extinct in the wild (South America). In captive animals (Chinchilla lanigera and C. brevicaudata), reproduction is characterized by poor fertility and limited by ...
Annual profile of fecal androgen and glucocorticoid levels in free-living male American kestrels from southern mid-latitude areas
(ACADEMIC PRESS INC ELSEVIER SCIENCE, 2010)
Fecal samples and behavioral data were collected at a fortnightly basis during 11 months period from free-living male American kestrels living in southeast Brazil (22 degrees S latitude). The aim was to investigate the ...
Annual profile of fecal androgen and glucocorticoid levels in free-living male American kestrels from southern mid-latitude areas
(Academic Press Inc. Elsevier B.V., 2010-03-01)
Fecal samples and behavioral data were collected at a fortnightly basis during 11 months period from free-living male American kestrels living in southeast Brazil (22 degrees S latitude). The aim was to investigate the ...
Annual profile of fecal androgen and glucocorticoid levels in free-living male American kestrels from southern mid-latitude areas
(Academic Press Inc. Elsevier B.V., 2010-03-01)
Fecal samples and behavioral data were collected at a fortnightly basis during 11 months period from free-living male American kestrels living in southeast Brazil (22 degrees S latitude). The aim was to investigate the ...
Evaluation of potential reproductive seasonality in brown brocket deer (Mazama gouazoubira) bucks
(2021-09-01)
Photoperiod is the main cue that controls seasonal reproduction in deer from temperate regions, like secretion of testosterone by the testis, neck enlargement, and testis development. However, little is known about its ...
Selective androgen receptor modulators: comparative excretion study of bicalutamide in bovine urine and faeces
(Wiley, 2017-07)
Besides their development for therapeutic purposes, non-steroidal selective androgen receptormodulators (non-steroidal SARMs) are also known to impact growth-associated pathways as ligands of androgenic receptors (AR). ...
Anabolic androgens restore mating after sexual satiety in male rats.
(Elsevier, 2008)
Annual profile of fecal androgen and glucocorticoid levels in free-living male American kestrels from southern mid-latitude areas
(Academic Press Inc. Elsevier B.V., 2014)
Seasonal reproduction in male pichis Zaedyus pichiy (Xenarthra: Dasypodidae) estimated by fecal androgen metabolites and testicular histology
(Elsevier Science, 2009-06)
Poaching poses a threat to a wide variety of wildlife, and basic information about the biology of hunted species needs to be collected before their populations decline to the extent that requires drastic human intervention. ...
Effects of alkylphenols on the biotransformation of diuron and enzymes involved in the synthesis and clearance of sex steroids in juvenile male tilapia (Oreochromus mossambica)
(2016-11-01)
Previous studies using in vivo bioassay guided fractionation indicated that the herbicide diuron (3-(3,4-dichlorophenyl)-1,1-dimethylurea) and alkylphenol (AP)-containing surfactants were detected in fractions of extracts ...