Life;
Science;
College,;
North-east;
Agricultural;
University,;
Harbin;
150030,;
China;
Animal;
Medical;
College,;
Northeast;
Agricultural;
University,;
Harbin;
150030,;
China;
Harbin;
Sanyuan;
Animal;
Husbandry;
Co.;
Ltd.,;
Harbin;
150030,;
China;
Division;
of;
Animal;
Science,;
University;
of;
Missouri-Columbia,;
Columbia;
MO;
65211,;
USA;