The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 02, 2017
Filed:
Dec. 17, 2014
Universiteit Gent, Ghent, BE;
Instituut Voor Landbouw-en Visserijonderzoek (Ilvo), Merelbeke, BE;
Johan Aerts, Schilde, BE;
Sarah De Saeger, Aalst, BE;
Universiteit Gent, Ghent, BE;
INSTITUUT VOOR LANDBOUW- EN VISSERIJONDERZOEK, Merelbeke, BE;
Abstract
This disclosure relates to determining the stress level experienced by fish over a long period of time, which can be used in assessing the welfare status of fish. More, in particular, this disclosure relates to the usage of scales as well as other calcified tissue such as otoliths, spines and soft fin ray sampled from fish to quantify glucocorticoid levels in the scales/matrix. The levels of the glucocorticoids, such as cortisol or corticosterone, build up over time in scales and reflect long-lasting and stressful conditions that the fish have undergone during their lives and that have affected their level of stress. Hence, in vitro methods are disclosed herein that quantify the level of chronic stress in fish using scales as a logistic feasible, and non-invasive matrix for accurate and precise quantification of stress hormones.
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