Effects of 6/85-strain Mycoplasma gallisepticum vaccination alone at ten weeks of age or in conjunction with F-strain Mycoplasma gallisepticum inoculation overlays at twenty-two or forty-five weeks of age on the reproductive and digestive organs of commercial egg-laying hens
2012 ◽
Vol 11
(10)
◽
pp. 611-615
2012 ◽
Vol 11
(10)
◽
pp. 654-657