title: Ultraviolet Light (UV) Inactivation of Porcine Parvovirus in Liquid Plasma and Effect of UV Irradiated Spray Dried Porcine Plasma on Performance of Weaned Pigs.
abstract: A novel ultraviolet light irradiation (UV-C, 254 nm) process was designed as an additional safety feature for manufacturing of spray dried porcine plasma (SDPP). In Exp. 1, three 10-L batches of bovine plasma were inoculated with 10(5.2 ± 0.12) tissue culture infectious dose 50 (TCID50) of porcine parvovirus (PPV) per mL of plasma and subjected to UV-C ranging from 0 to 9180 J/L. No viable PPV was detected in bovine plasma by micro-titer assay in SK6 cell culture after UV-C at 2295 J/L. In Exp. 2, porcine plasma was subjected to UV-C (3672 J/L), then spray dried and mixed in complete mash diets. Diets were a control without SDPP (Control), UV-C SDPP either at 3% (UVSDPP3) or 6% (UVSDPP6) and non-UV-C SDPP at 3% (SDPP3) or 6% (SDPP6). Diets were fed ad libitum to 320 weaned pigs (26 d of age; 16 pens/diet; 4 pigs/pen) for 14 d after weaning and a common diet was fed d 15 to 28. During d 0 to 14, pigs fed UVSDPP3, UVSDPP6, or SDPP6 had higher (P < 0.05) weight gain and feed intake than control. During d 0 to 28, pigs fed UVSDPP3 and UVSDPP6 had higher (P < 0.05) weight gain and feed intake than control and SDPP3, and SDPP6 had higher (P < 0.05) feed intake than control. Also, pigs fed UVSDPP had higher (P < 0.05) weight gain than pigs fed SDPP. In conclusion, UV-C inactivated PPV in liquid plasma and UVSDPP used in pig feed had no detrimental effects on pig performance.
authors.affiliation: APC EUROPE, S.A. Avda. Sant Julià 246-258. Pol. Ind. El Congost. E-08403 Granollers, Spain.
authors.forename: Javier
authors.initials: J
authors.lastname: Polo
authors.affiliation: APC EUROPE, S.A. Avda. Sant Julià 246-258. Pol. Ind. El Congost. E-08403 Granollers, Spain.
authors.forename: Carmen
authors.initials: C
authors.lastname: Rodríguez
authors.affiliation: APC EUROPE, S.A. Avda. Sant Julià 246-258. Pol. Ind. El Congost. E-08403 Granollers, Spain.
authors.forename: Jesús
authors.initials: J
authors.lastname: Ródenas
authors.affiliation: APC Inc. 2425 SE Oak Tree Court, Ankeny, IA 50021, United States of America.
authors.forename: Louis E
authors.initials: LE
authors.lastname: Russell
authors.affiliation: APC Inc. 2425 SE Oak Tree Court, Ankeny, IA 50021, United States of America.
authors.forename: Joy M
authors.initials: JM
authors.lastname: Campbell
authors.affiliation: APC Inc. 2425 SE Oak Tree Court, Ankeny, IA 50021, United States of America.
authors.forename: Joe D
authors.initials: JD
authors.lastname: Crenshaw
authors.affiliation: Monogastric Nutrition, Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Mas de Bover, Ctra. Reus-El Morell, km 3.8, 43120 Constantí, Spain.
authors.forename: David
authors.initials: D
authors.lastname: Torrallardona
authors.affiliation: Centre de Recerca en Sanitat Animal (CReSA)-Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Campus UAB, 08193 Bellaterra, Barcelona, Spain.
authors.forename: Joan
authors.initials: J
authors.lastname: Pujols
mesh_terms: D000821:Animal Feed / Q000821:virology*; D000824:Animal Nutritional Physiological Phenomena / Q000502:physiology; D000818:Animals; D000831:Animals, Newborn / Q000378:metabolism / Q000502:physiology*; D002417:Cattle; D004032:Diet; D028323:Parvovirus, Porcine / Q000378:metabolism*; D010949:Plasma / Q000378:metabolism* / Q000821:virology*; D013552:Swine / Q000378:metabolism / Q000502:physiology*; D014466:Ultraviolet Rays; D014886:Weaning; D015430:Weight Gain / Q000502:physiology