共 50 条
- [33] CALF MORTALITY - EFFECT OF HOUSING AND MANAGEMENT (EAAP ANNUAL-MEETING, 1985) LIVESTOCK PRODUCTION SCIENCE, 1986, 14 (04): : 383 - 383
- [34] NITROGEN LOSSES FROM POULTRY MANURE IN DIFFERENT HOUSING-SYSTEMS ARCHIV FUR GEFLUGELKUNDE, 1991, 55 (03): : 97 - 104