1. Amaral, D.F., Barbosa, O.R., Gasparino, E., Akimoto, L.S., Lourenço, F.J. and Santello, G.A., 2009. Effect of supplementary feeding on physiological, hormonal and blood responses of Santa Ines, Ile de France and Texel ewes, Acta Scientiarum. Animal Sciences, 31, 403–410.
2. Amarante, A.F.T., Bricarello, P.A., Rocha, R.A. and Gennari, S.M., 2004. Resistance of Santa Ines, Suffolk and Ile de France sheep to naturally acquired gastrointestinal nematode infections, Veterinary Parasitology, 120, 91–106.
3. Associação Brasileira de Criadores de Ovinos - ARCO. 2015. Padrões raciais. http://www.arcoovinos.com.br/sitenew/index.asp?pag=padroes.asp . Accessed 09 Oct 2015.
4. Beynon, S.A., 2012. Potential environmental consequences of administration of anthelmintics to sheep, Veterinary Parasitology, 189, 113–124.
5. Bichuette, M.A., Lopes, W.D.Z., Gomes, L.V.C., Felippelli, G., Cruz, B.C., Maciel, W.G., Teixeira, W.F.P., Buzzulini, C., Prando, L., Soares, V.E., Campos, G.P. and Costa, A.J., 2015. Susceptibility to helminth species parasites of sheep and goats to different chemical compounds in Brazil, Small Ruminant Research, 133, 93–101.