Effects of S6-strain Mycoplasma gallisepticum inoculation at 10, 22, or 45 weeks of age on the digestive and reproductive organ characteristics of commercial egg-laying hens.
Effects of S6-strain Mycoplasma gallisepticum inoculation at 10, 22, or 45 weeks of age on the digestive and reproductive organ characteristics of commercial egg-laying hens. Poult Sci. 2006 May; 85(5):825-30.