Positive affective state induced by opioid analgesia in laying hens with bone fractures
| Autor: | Nasr, M.A.F., Browne, W.J., Caplen, G., Hothersall, B., Murrell, J.C., Nicol, C.J. |
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| Zdroj: | In Applied Animal Behaviour Science July 2013 147(1-2):127-131 |
| Databáze: | ScienceDirect |
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