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- [37] Quantification of the ammonia balance in fattening pig units with totally slatted floors LIVESTOCK ENVIRONMENT V, VOLS I AND II, 1997, : 71 - 77
- [38] EXAMINATIONS OF JOINTS AND HOOFS OF FATTENED CALVES KEPT ON SLATTED FLOORS AND ON STRAW BERLINER UND MUNCHENER TIERARZTLICHE WOCHENSCHRIFT, 1979, 92 (12): : 229 - 233