Hair Cortisol in Sheltered Cows and Its Association with Other Welfare Indicators

May 2019 in “ Animals ”

Arvind Sharma, Govindhaswamy Umapathy, Vinod Kumar, Clive J. C. Phillips

hair cortisol biomarker stress body hair loss

Studysummary In this study, researchers found that high hair cortisol levels, indicating stress in cows, were associated with certain shelter and cow-level conditions such as unclean environments and physical injuries.

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research The Use of Hair Cortisol for the Assessment of Stress in Animals

296 citations , October 2018 in “General and Comparative Endocrinology”

This review discusses the use of hair cortisol concentration as a marker for chronic stress and long-term cortisol secretion in animals, highlighting its benefits and the need for standardized sampling protocols.

research Short Communication: Factors Affecting Hair Cortisol Concentrations in Lactating Dairy Cows

118 citations , October 2014 in “Journal of Dairy Science”

This study found that in lactating Holstein cows, hair from the tail switch, which grows faster and is more sensitive to cortisol changes, is ideal for measuring hair cortisol levels.

research Hair Loss And Hypothalamic-Pituitary-Adrenocortical Axis Activity In Captive Rhesus Macaques (Macaca Mulatta)

28 citations , May 2014 in “PubMed”

This study found that increased hair cortisol levels, indicating stress, were associated with greater hair loss in captive rhesus macaques, although the causality of this relationship remains unclear.

research Recent Advances in the Pathogenesis of Autoimmune Hair Loss Disease Alopecia Areata

106 citations , January 2013 in “Clinical and Developmental Immunology”

This review discusses the pathogenesis of alopecia areata, highlighting the role of immune privilege collapse in hair follicles but reports no clinical results.

research Hair Follicle as a Target of Stress Hormones and Autoimmune Reactions

61 citations , September 2010 in “Journal of Dermatological Science”

This review discusses the interplay between hormonal and immune systems in hair follicles and reports no new results, highlighting the need for further research on their role in skin biology and alopecia areata.

Hair as a Retrospective Calendar of Cortisol Production—Increased Cortisol Incorporation into Hair in the Third Trimester of Pregnancy

research Hair as a Retrospective Calendar of Cortisol Production—Increased Cortisol Incorporation into Hair in the Third Trimester of Pregnancy

501 citations , October 2008 in “Psychoneuroendocrinology”

This study suggests that cortisol measured in human hair can effectively reflect increased production for up to six months, but its retrospective accuracy may be limited due to rapid decline in levels.

research A Preliminary Study of Steroid Reproductive Hormones in Human Hair

89 citations , December 1998 in “The Journal of Steroid Biochemistry and Molecular Biology”

This study found that steroid hormone levels in human hair correlate significantly with those in serum, suggesting hair may be a viable medium for assessing hormonal status.