Performance of sheep receiving Bacillus thurginiensis spores in their diet - Campos, Fernanda Cristina de; Issakowicz, J; Castilho, Lécio A; Monnerat, Rose Gomes; McManus, Concepta Margaret; Abdalla, Adibe Luiz; Louvandini, Helder (International Conference on Production Diseases in Farm Animals, 2013)