{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["14(1)"],"submitter":["Rafael M"],"pubmed_abstract":["Cortisol is a biomarker of grey wolf (<i>Canis lupus</i>) prey selection on wild ungulates. Throughout its range, wolves may prey on free-range livestock, leading to conflicts with humans. This can compromise wolf conservation through culling or poaching. We investigate whether glucocorticoid concentration could be a biomarker of individual prey selection by grey wolves that depredate on free-ranging cattle (<i>Bos taurus</i>). To achieve this, cortisol concentration in hair samples from live (<i>n</i> = 46) and wolf-preyed (<i>n</i> = 19) cattle was determined by enzyme-linked immunosorbent assays. The effects of intrinsic and extrinsic variables-namely age, sex and food availability-on hair cortisol concentration (HCC) were investigated through linear mixed models with farm as a random e"],"journal":["Conservation physiology"],"pagination":["coag002"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12851633"],"repository":["biostudies-literature"],"pubmed_title":["Could hair cortisol in free-ranging cattle be a proxy of wolf predation patterns?"],"pmcid":["PMC12851633"],"pubmed_authors":["Nakamura M","Fonseca E","Rafael M","Santos N"],"additional_accession":[]},"is_claimable":false,"name":"Could hair cortisol in free-ranging cattle be a proxy of wolf predation patterns?","description":"Cortisol is a biomarker of grey wolf (<i>Canis lupus</i>) prey selection on wild ungulates. Throughout its range, wolves may prey on free-range livestock, leading to conflicts with humans. This can compromise wolf conservation through culling or poaching. We investigate whether glucocorticoid concentration could be a biomarker of individual prey selection by grey wolves that depredate on free-ranging cattle (<i>Bos taurus</i>). To achieve this, cortisol concentration in hair samples from live (<i>n</i> = 46) and wolf-preyed (<i>n</i> = 19) cattle was determined by enzyme-linked immunosorbent assays. The effects of intrinsic and extrinsic variables-namely age, sex and food availability-on hair cortisol concentration (HCC) were investigated through linear mixed models with farm as a random e","dates":{"release":"2026-01-01T00:00:00Z","publication":"2026","modification":"2026-06-15T03:18:00.532Z","creation":"2026-06-15T03:11:28.668Z"},"accession":"S-EPMC12851633","cross_references":{"pubmed":["41613041"],"doi":["10.1093/conphys/coag002"]}}