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Edgar Manzanilla

Research Officer - Pigs

Research Interests

  • Improving feed efficiency in pigs, new ingredients and feeding management systems
  • Nutrition, microbiota and immune system interaction
  • Reducing antimicrobial use
  • Epidemiology and data analysis

Current Projects


  • Dipl. of the European College of Porcine Health and Management (ECPHM)
  • Master in Preventive Veterinary Medicine (MPVM), University of California, Davis
  • PhD, Universitat Autonoma de Barcelona
  • Master in Animal Science, Universitat Autonoma de Barcelona
  • Veterinary Medicine, Universitat Autonoma de Barcelona

Professional Membership

  • European Association of Porcine Health and Management (EAPHM)
  • European Society of Veterinary and Comparative Nutrition (ESVCN)
  • Section Editor (NON-RUMINANT NUTRITION) of Livestock Science
  • European Innovation Partnership (EIP, European Commission) FG on animal husbandry (reduction of anti-biotic use in the pig sector)
  • Agostini PS, Fahey AG, Manzanilla EG, O’Doherty JV, de Blas C, Gasa J. 2014. Management factors affecting mortality feed intake and feed conversion ratio of grow-finishing pigs. Animal (In press).
  • Muns R, Manzanilla EG, Sol C, Manteca X, Gasa J. 2013. Piglet behavior as a measure of vitality and its influence on piglet survival and growth during lactation. Journal of Animal Science. 91:1838-1843.
  • Davin R, Manzanilla EG, Klasing KC, Pérez JF. 2013. Effect of weaning and in-feed high doses of zinc oxide on zinc levels in different body compartments of piglets. Journal of Animal Physiology and Animal Nutrition. 97:6-12.
  • Davin R, Manzanilla EG, Klasing KC, Pérez JF. 2012. Evolution of zinc, iron, and copper concentrations along the gastrointestinal tract of piglets weaned with or without in-feed high doses of zinc oxide compared to unweaned littermates.Journal of Animal Science. 90:248-250.
  • Molist F, Manzanilla EG, Pérez JF, Nyachoti M. 2012. Coarse, but not finely ground, dietary fibre increases intestinal Firmicutes/Bacteroidetes ratio and reduces diarrhoea induced by experimental infection in piglets. British Journal of Nutrition. 108:9-15.
  • Hermes RG, Manzanilla EG, Martin-Orue SM, Perez JF, Klasing KC. 2011. Influence of dietary ingredients on in vitro inflammatory response of intestinal porcine epithelial cells challenged by an enterotoxigenic Escherichia coli (K88).Comparative Immunology, Microbiology, and Infectious Diseases. 34:479-488.
  • Manzanilla EG, Pérez JF, Martín M, Blandón JC, Baucells F, Kamel C, Gasa J. 2010. Dietary protein modifies effect of plant extracts in the intestinal ecosystem of the pig at weaning. Journal of Animal Science. 87:2029-2037.
  • Martín-Peláez S, Manzanilla EG, Anguita M, Fondevila M, Martín M, Mateu E, Martín-Orúe SM. 2009. Different fibrous ingredients and coarsely ground maize affect hindgut fermentation in the pig in vitro but not Salmonella Typhimurium survival. Animal Feed Science and technology. 153:141-152.
  • Meunier JP, Manzanilla EG, Anguita M, Denis S, Pérez JF, Gasa J, Cardot JM, Garcia F, Moll X, Alric M. 2008. Evaluation of a dynamic in vitro model to simulate the porcine ileal digestion of diets differing on the carbohydrate composition. Journal of Animal Science, 86:1156-1163.
  • Castillo M, Martín-Orúe SM, Nofrarías M, Manzanilla EG, Gasa J. 2007. Changes in caecal microbiota and mucosal morphology of weaned pigs. Veterinary Microbiology. 124:239-247.
  • Nofrarías M, Manzanilla EG, Pujols J, Gibert X, Majó N, Segalés J, Gasa J. 2006. Spray-dried porcine plasma affects intestinal morphology and immune cell subsets of weaned pigs. Livestock Science. 108:299-302.
  • Manzanilla EG, Nofrarias M, Anguita M, Castillo M, Pérez JF, Martín-Orúe SM, Kamel C, Gasa J. 2006. Effects of butyrate, avilamycin, and plant extracts on the intestinal equilibrium of the early-weaned pig. Journal of Animal Science. 84:2743-2751.
  • Castillo M, Martin-Orue SM, Manzanilla EG, Badiola I, Martin M, Gasa J. 2005. Quantification of total bacteria, enterobacteria and lactobacilli populations in pig digesta by real-time PCR. Veterinary Microbiology, 114:165-70.
  • Manzanilla EG, Pérez JF, Martín M, Kamel C, Baucells F, Gasa J. 2004. Effect of plant extracts and formic acid on the intestinal equilibrium of early-weaned pigs. Journal of Animal Science, 82:3210-3218.