“…Poisoning has also been described in sheep in Brazil ( Giaretta et al, 2014 ) and Chile ( Araya, 2009 ). However, sheep are more resistant to intoxication and are used to control the plant ( Stigger et al, 2018 ). In the state of Rio Grande do Sul, southern Brazil, it has been demonstrated that a stocking rate of 0.5–3 sheep per hectare in continuous grazing, or a greater number of sheep (four or more sheep/hectare) in rotational grazing will control populations of Senecio spp.…”