共 50 条
- [35] FEED RESTRICTION OF LAYING HENS USING DIFFERENT DIETARY-PROTEIN LEVELS ANNALES DE ZOOTECHNIE, 1980, 29 (01): : 13 - 21
- [37] Thyroid function and egg characteristics of laying hens in response to dietary methionine levels AFRICAN JOURNAL OF AGRICULTURAL RESEARCH, 2011, 6 (20): : 4693 - 4698