Effects of 6/85-Strain Mycoplasma gallisepticum Inoculation 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 Performance of Commercial Egg-Laying Hens,
2012 ◽
Vol 11
(10)
◽
pp. 611-615
2012 ◽
Vol 11
(10)
◽
pp. 654-657