共 5 条
- [1] Effects of weaning age on growing-pig costs and revenue in a multi-site production system JOURNAL OF SWINE HEALTH AND PRODUCTION, 2005, 13 (04): : 189 - 197
- [5] Effects of weaning age on postweaning belly-nosing behavior and umbilical lesions in a multi-site production system JOURNAL OF SWINE HEALTH AND PRODUCTION, 2005, 13 (05): : 259 - 264