Orskov, E. R. (1988) Feed Science – World Animal Science. Elsevier Science Publishers. The Netherlands. null
Bolsen, K. K., Baylor, J. E., McCullough, M. E. (Eds.). North America, 150 pp. (1990) National Feed Ingredients Association (NFIA). Hay and Silage Management. null
McEllhiney, R. R. (1994) Feed Manufacturing Technology IV (4th ed). American Feed Industry Association, Virginia. null
Secundária
Kellems, R. O. and D. C. Church. (2002) Livestock feeds and feeding (5th ed). Prentice Hall, New Jersey. null
Woodford, M. K. (1984) The Silage Fermentation. Kaskin, A. I., Mateles R. I. (Eds.). NY, 320 pp. null