Model explanation of the seasonal variation of δ18O in cow (Bos taurus) hair under temperate conditions

Abstract Oxygen isotopes (δ18O) in animal and human tissues are expected to be good recorders of geographical origin and migration histories. However, seasonal variation of δ18O may diminish the origin information in the tissues. Here the seasonality of δ18O in tail hair was investigated in a domest...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Guo Chen, Hans Schnyder, Karl Auerswald
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/4cccd6a6dc364d358113bbd14a063d8a
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:4cccd6a6dc364d358113bbd14a063d8a
record_format	dspace
spelling	oai:doaj.org-article:4cccd6a6dc364d358113bbd14a063d8a2021-12-02T15:05:39ZModel explanation of the seasonal variation of δ18O in cow (Bos taurus) hair under temperate conditions10.1038/s41598-017-00361-y2045-2322https://doaj.org/article/4cccd6a6dc364d358113bbd14a063d8a2017-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00361-yhttps://doaj.org/toc/2045-2322Abstract Oxygen isotopes (δ18O) in animal and human tissues are expected to be good recorders of geographical origin and migration histories. However, seasonal variation of δ18O may diminish the origin information in the tissues. Here the seasonality of δ18O in tail hair was investigated in a domestic suckler cow (Bos taurus) that underwent different ambient conditions, physiological states, keeping and feeding during five years. A detailed mechanistic model was built to explain this variation. The measured δ18O in hair significantly related (p < 0.05) to the δ18O in meteoric water in a regression analysis. Modelling suggested that this relation was only partly derived from the direct influence of feed moisture. Ambient conditions (temperature, moisture) also affected the animal itself (drinking water demand, transcutaneous vapor etc.). The clear temporal variation thus resulted from complex interactions with multiple influences. The twofold influence of ambient conditions via the feed and via the animal itself is advantageous for tracing the geographic origin because δ18O is then less influenced by variations in moisture uptake; however, it is unfavorable for indicating the production system, e.g. to distinguish between milk produced from fresh grass or from silage. The model is versatile but needs testing under a wider range of conditions.Guo ChenHans SchnyderKarl AuerswaldNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-15 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Guo Chen Hans Schnyder Karl Auerswald Model explanation of the seasonal variation of δ18O in cow (Bos taurus) hair under temperate conditions
description	Abstract Oxygen isotopes (δ18O) in animal and human tissues are expected to be good recorders of geographical origin and migration histories. However, seasonal variation of δ18O may diminish the origin information in the tissues. Here the seasonality of δ18O in tail hair was investigated in a domestic suckler cow (Bos taurus) that underwent different ambient conditions, physiological states, keeping and feeding during five years. A detailed mechanistic model was built to explain this variation. The measured δ18O in hair significantly related (p < 0.05) to the δ18O in meteoric water in a regression analysis. Modelling suggested that this relation was only partly derived from the direct influence of feed moisture. Ambient conditions (temperature, moisture) also affected the animal itself (drinking water demand, transcutaneous vapor etc.). The clear temporal variation thus resulted from complex interactions with multiple influences. The twofold influence of ambient conditions via the feed and via the animal itself is advantageous for tracing the geographic origin because δ18O is then less influenced by variations in moisture uptake; however, it is unfavorable for indicating the production system, e.g. to distinguish between milk produced from fresh grass or from silage. The model is versatile but needs testing under a wider range of conditions.
format	article
author	Guo Chen Hans Schnyder Karl Auerswald
author_facet	Guo Chen Hans Schnyder Karl Auerswald
author_sort	Guo Chen
title	Model explanation of the seasonal variation of δ18O in cow (Bos taurus) hair under temperate conditions
title_short	Model explanation of the seasonal variation of δ18O in cow (Bos taurus) hair under temperate conditions
title_full	Model explanation of the seasonal variation of δ18O in cow (Bos taurus) hair under temperate conditions
title_fullStr	Model explanation of the seasonal variation of δ18O in cow (Bos taurus) hair under temperate conditions
title_full_unstemmed	Model explanation of the seasonal variation of δ18O in cow (Bos taurus) hair under temperate conditions
title_sort	model explanation of the seasonal variation of δ18o in cow (bos taurus) hair under temperate conditions
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/4cccd6a6dc364d358113bbd14a063d8a
work_keys_str_mv	AT guochen modelexplanationoftheseasonalvariationofd18oincowbostaurushairundertemperateconditions AT hansschnyder modelexplanationoftheseasonalvariationofd18oincowbostaurushairundertemperateconditions AT karlauerswald modelexplanationoftheseasonalvariationofd18oincowbostaurushairundertemperateconditions
_version_	1718388762408386560

Model explanation of the seasonal variation of δ18O in cow (Bos taurus) hair under temperate conditions

Ejemplares similares