![Patrick Birkl for receiving the Best Student Presentation Award!](https://animalbiosciences.uoguelph.ca/sites/default/files/styles/medium/public/bir.png?itok=2Culw307)
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Patrick Birkl for receiving the Best Student Presentation Award!
Please join us in congratulating Patrick Birkl on the success of his presentation "Effects of social stress on tryptophan-kynurenine in laying hens". He received the "Best Student Presentation" award at the 37th Winter-Workshop, Clinical, chemical and biochemical aspects of pteridines and related topics (February 20th to 23rd 2018, Innsbruck, Austria).