Browsing Artículos Científicos by Author "Janssen, M.M.H."

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    • Infectious agents associated with diarrhoea of calves in the canton of Tilarán, Costa Rica 

      Perez, E.; Kummeling, A.; Janssen, M.M.H.; Alvarado, R.; Donado, P.; Dwinger, R.H.; Caballero, Magally; Jiménez Sánchez, Carlos (Elsevier Science B.V, 1997-01)
      A case-control study of calves under 3 months of age was carried out by weekly visits to 15 farms in the canton of Tilarán, Costa Rica. Most farms were dedicated to beef or dual-purpose (DP) production. Faecal samples were ...