Abstract
The aim is to produce and evaluate the effect of polyclonal antibodies against yeast in sugar cane silage. Three hundred hens White Leghorn race with 25-weeks-old divided into groups of 75 individuals will be immunized, one control immunized only with adjuvant and four others groups will be immunized with strains a) Candida, Endomycopsis, Hansenula e Pichia (use acid latic), Torulopsis (u…