作者单位:
Univ Alberta, Dept Agr Food & Nutr Sci, Edmonton, AB T6G 2P5, Canada
[1]
Holden Farms Inc, Northfield, MN 55057 USA
[2]
PIC, Global Tech Serv, Hendersonville, TN 37075 USA
[3]
Univ Fed Rio Grande do Sul, Agron Sch, Anim Sci Dept, BR-91540000 Porto Alegre, RS, Brazil
[4]
Swine Vet Ctr, St Peter, MN 56082 USA
[5]
发布时间
2021-03-03