NRC (2001) Nutrient Requirements of Dairy Cattle. 7 Ed., NA Press null
Moughan PJ, Verstegen M W A, Visser-Reyneveld, M.I (ed) (2000) Feed evaluation: principles and practice. Wageningen Pers null
Kebreak E, Dijkstra J, Bannink A., Gerrits WJJ, France J (ed) (2006) Nutrient digestion and utilization in farm animals: modelling approaches. CABI Publishing null
Secundária
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