Monitorying poultry vaccines for biocontamination with lymphoid leukosis virus.
D000818:Animals; D000906:Antibodies; D000918:Antibody Specificity; D001353:Avian Leukosis; D001354:Avian Leukosis Virus; D001431:Bacteriological Techniques; D002642:Chick Embryo; D003168:Complement Fixation Tests; D007202:Indicators and Reagents; D007886:Legislation, Veterinary; D008004:Licensure; D013048:Specimen Handling; D014481:United States; D014765:Viral Vaccines / Q000592:standards*
D000906:Antibodies; D007202:Indicators and Reagents; D014765:Viral Vaccines