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[4]
MIES WL, 1978, J ANIM SCI S1, V47, P431
[5]
MUIR LR, UNPUBLISHED
[6]
OWENS F N, 1979, Journal of Animal Science, V49, P71
[7]
OWENS FN, 1978, J ANIM SCI S1, V47, P121
[9]
1975, RUMENSIN TECHNICAL M
[10]
[No title captured]