On epizootiology and control of lymphoid leukosis in chickens.
D000818:Animals; D001353:Avian Leukosis / Q000517:prevention & control* / Q000635:transmission; D001354:Avian Leukosis Virus / Q000302:isolation & purification; D002645:Chickens; D005260:Female; D005455:Fluorescent Antibody Technique; D008297:Male; D011247:Pregnancy; D014765:Viral Vaccines / Q000008:administration & dosage
D014765:Viral Vaccines