College;
of;
Animal;
Science;
and;
Veterinary;
Medicine,;
Shandong;
Agricultural;
University,;
Taian;
271018,;
China;
College;
of;
Animal;
Science;
and;
Veterinary;
Medicine,;
Shandong;
Agricultural;
University,;
Taian;
271018,;
China;
College;
of;
Animal;
Science;
and;
Veterinary;
Medicine,;
Shandong;
Agricultural;
University,;
Taian;
271018,;
China;
reticuloendotheliosis; virus,; the; genomic; sequence,; homology; comparison.;