Brain-derived neurotrophic factor in serum as an animal welfare indicator of environmental enrichment in pigs

J-L Rault1, A J Lawrence2, C R Ralph3

  • 1Institute of Animal Husbandry and Animal Welfare, University of Veterinary Medicine, Vienna, A-1210, Austria; Animal Welfare Science Centre, University of Melbourne, Melbourne, Victoria, VIC 3010, Australia.

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