Cest Biotics - Pre & Probiotics w/ Calsporin® for PigeonsA complete pre and probiotic for an enhanced immune & digestive system Biotics contains pre and probiotic bacteria necessary for the intestinal flora to resistant to various types of antibiotics, and creates an anaerobic environment that favors the multiplication of beneficial bacteria thus reducing the reduction of infectious germs. More importantly, what sets Biotics above other basic probiotics, is that its main ingredient is Calsporin, which is a