C. N. Lopes, Scarpa, A. B., Cappellozza, B. Ieda, Cooke, R. F., and Vasconcelos, J. L. M.,
“Effects of rumen-protected polyunsaturated fatty acid supplementation on reproductive performance of Bos indicus beef cows”,
Journal of Animal Science, vol. 87, no. 12, pp. 3935 - 3943, 2009.
C. N. Lopes, Cooke, R. F., Reis, M. M., Peres, R. F. G., and Vasconcelos, J. L. M.,
“Strategic supplementation of calcium salts of polyunsaturated fatty acids to enhance reproductive performance of Bos indicus beef cows”,
Journal of Animal Science, vol. 898980171123904778824564692221734387741215857280668079728164604712661347798, no. 10, pp. 3116 - 3124, 2011.