Use of condensed tannins from Schinopsis balansae or Saccharomyces cerevisiae on gastrointestinal nematode burdens in lambs under grazing conditions, in Uruguay. [poster].

In Uruguay, anthelmintic resistance in sheep is widely distributed, which has made research into alternative control measures necessary. The objective of this work was to evaluate the effect of a condensed tannins (CT) extract from Schinopsis balansae (Quebracho) (SB) or the effect of a yeast strain of Saccharomyces cerevisiae (LEVUCELL®SC) (SC) against sheep gastrointestinal nematodes (NGI).