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Alonso, L., M. Maquivar, C. S. Galina, G. D. Mendoza, A. Guzmán, M. Villareal, R. Molina, e Sandra Estrada. Effect of Ruminally Protected Methionine On the Productive and Reproductive Performance of Grazing Bos Indicus Heifers Raised in the Humid Tropics of Costa Rica. 2008.

Alonso, L., et al. Effect of Ruminally Protected Methionine On the Productive and Reproductive Performance of Grazing Bos Indicus Heifers Raised in the Humid Tropics of Costa Rica. 2008.