The welfare of gestating sows in conventional stalls and large groups on deep litter
| Autor: | Karlen, Guillermo A.M., Hemsworth, Paul H., Gonyou, Harold W., Fabrega, Emma, David Strom, A., Smits, Robert J. |
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| Zdroj: | In Applied Animal Behaviour Science 2007 105(1):87-101 |
| Databáze: | ScienceDirect |
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