Cunha Filho, L.F.C. et al. 2018. Positive effect of organic zinc supplementation on the persistence of anti-rabies neutralizing antibodies in healthy sheep. Semina: Ciências Agrárias. 39, 2 (Mar. 2018), 477–786. DOI:https://doi.org/10.5433/1679-0359.2018v39n2p477.