Oregano oil and multi-component carbohydrases as alternatives to antimicrobials in nursery diets

Materials and methods: One hundred eighty 21-day-old Yorkshire-Landrace pigs were randomly assigned to five treatments. Treatments were the unsupplemented, unmedicated basal diet (Control) and the basal diet supplemented with either 4.41 g per tonne flavomycin (Huvepharma, Inc, Peachtree City, Georgia; Flavomycin), 1.5 kg per tonne oregano oil (Van Beek Scientific, Orange City, Iowa; Oregano), 50.1 g per tonne multi-component carbohydrase (Van Beek Scientific; Carbohydrase), or a combination of 750 g per tonne oregano oil and 50.1 g per tonne carbohydrase (Oregano oil-carbohydrase).