共 34 条
- [1] ANSELL R H, 1976, World Animal Review, V20, P1
- [2] Ansell R. H., 1981, Environmental aspects of housing for animal production. Proceedings of 31st Nottingham Easter School in Agricultural Science., P285
- [4] BROWN RH, 1974, AM J VET RES, V38, P118
- [5] BROWN WH, 1974, T ASAE, V17, P513
- [6] CANTON GH, 1982, T AM SOC AGR ENG, V25, P734
- [7] CARUOLO EV, 1982, J DAIRY SCI, V75, P191