共 15 条
[1]
AURAN T, 1973, Acta Agriculturae Scandinavica, V23, P189
[2]
DEBOER PB, 1977, PUBL PROEFSTATION RU, V9
[3]
DEKRUIF A, 1975, THESIS VET FACULTY U
[5]
DIJKHUIZEN AA, 1983, THESIS VET FACULTY U
[6]
DOMMERHOLT J, 1975, AGR RES REPORTS, V844
[8]
KORVER S, 1977, PUBL VAKGROEP ZOOTEC, V3
[9]
KRISTENSEN AR, 1982, OPTIMAL REPLACEMENT
[10]
STUDIES ON THE REPLACEMENT POLICIES IN DAIRY-CATTLE .2. OPTIMUM POLICY AND INFLUENCE OF CHANGES IN PRODUCTION AND PRICES
[J].
LIVESTOCK PRODUCTION SCIENCE,
1985, 13 (02)
:101-121