Studies on the role of mucus and mucosal hypersensitivity reactions during rejection of Trichostrongylus colubriformis from the intestine of immune sheep using an experimental challenge model

animal domestique animal migration antibodies anticorps anticuerpos domestic animals experimental infection ganado histamina histamine immune response immunisation immunity immunization immunoglobuline immunoglobulins in vivo experimentation inmunidad inmunoglobulina intestin intestines intestinos larvae larvas larve leucocitos leucocyte leukocytes livestock mast cells mastocyte migration animale moco modele modelos models mucus nematoda ovin ovinos parasite parasites sheep trichostrongylus colubriformis