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. 2015 Mar 2;94(3):534–543. doi: 10.3382/ps/peu075

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© The Author 2015. Published by Oxford University Press on behalf of Poultry Science Association.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-Noncommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com.

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Figure 2. — (A) Daily NH₃ emission rates (ERs) (g/hen/d) and (B) their relationship to ambient temperature for the conventional cage house (CC), aviary house (AV), and enriched colony house (EC).