Behavior and performance of lactating sows and piglets reared indoors or outdoors.

Journal of Animal Science - Tập 79 Số 10 - Trang 2571 - 2001
Anna K. Johnson1, J. Morrow-Tesch2, John J. McGlone1
1*Pork Industry Institute, Department of Animal Science and Food Technology, Texas Tech University, Lubbock 79409, USA
2†USDA-ARS, Texas Tech University, Lubbock, 79409

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