Marsálek, P Neopterin and biopterin as biomarkers of immune system activation associated with castration in piglets. [electronic resource] - Journal of animal science Jun 2011 - 1758-62 p. digital Publication Type: Controlled Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't ISSN: 1525-3163 Standard No.: 10.2527/jas.2010-3157 doi Subjects--Topical Terms: AnimalsBiomarkersBiopterins--bloodLeukocytes--physiologyNeopterin--bloodOrchiectomy--veterinarySwine--immunology