Age Changes in Digestibility of Nutrients in Ostriches
Age Changes in Digestibility of Nutrients in Ostriches Roselina Angel Purina Mills Inc., St. Louis, Missouri A digestibility study was conducted with 3-, 6-, 10-, and 17- week old and 30 month old ostriches. Two methods were used to determine digestibility: the total excreta collection method and a marker method, using chromic oxide. No significant difference between methods used to...