共 33 条
- [5] BERG LR, 1956, 22 WASH AGR EXPT STA
- [6] PROTEIN LEVEL + AMINO ACID BALANCE IN LAYING RATION [J]. POULTRY SCIENCE, 1964, 43 (01) : 98 - &
- [7] BOLTON W., 1958, Journal of Agricultural Science, V50, P97, DOI 10.1017/S0021859600029932
- [9] COUCH JR, 1957, ABSTRACTS PAPERS TEX, P99