共 50 条
- [32] Environmental problems associated with livestock production in tropical Africa Environmentalist, 1998, 19 (2): : 137 - 143
- [34] RESIDUE PROBLEMS OF ANTIMICROBIALS AND HORMONAL SUBSTANCES IN LIVESTOCK PRODUCTS JOURNAL OF THE FOOD HYGIENIC SOCIETY OF JAPAN, 1993, 34 (04): : 324 - 326
- [36] WATER-POLLUTION ABATEMENT PROBLEMS AROUND LIVESTOCK AGRICULTURAL ENGINEERING, 1980, 61 (08): : 24 - 25