Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2015 Mar 2;94(3):518–533. doi: 10.3382/ps/peu076

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 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.

PMC Copyright notice

Figure 8. — Diurnal ammonia (NH₃) concentrations of the conventional cage (CC), aviary (AV), and enriched colony (EC) houses on two example days. (A) Cold day: February 13, 2013; (B) Warm day: July 24, 2013.