1. Adesogan, A.T., 2009. Challenges of tropical silage production. In Proceedings of 15th International Silage Conference. University of Wisconsin, Madison, pp. 139-154.
2. Almeida, F.Q., Brito, C.O., Duque, R.S., Menezes, J.B., Fonseca, C.E.M., Lopes, B.A., Corassa, A., Santos, E.M., Soares Neto, J., 1999. Comportamento ingestivo de eqüinos em pastejo. In: Grassland Ecophysiology and Grazing Ecology. (Simpósio Internacional: Curitiba: 1999) Anais… Curitiba, pp. 270-272.
3. Weight loss resistance: a further consideration for the nutritional management of obese Equidae;Argo;Vet. J.,2012
4. Association of Official Analytical Chemistry (AOAC), 1990. Official Methods of Analysis. 15th ed. AOAC International, Arlington, VA.
5. Intake and apparent digestibility of perennial ryegrass haylages fed to ponies either at maintenance or at work;Bergero;Livest. Prod. Sci.,2002