An experiment was conducted to evaluate encapsulating biopolymers that allowed the ruminal overrun of Moringa (Moringa oleífera) with high protein value for which the following treatments were designed in two test phases: alginate (2.0, 2.5, 3.0%) and alginate (2.0, 2.5, 3.0%) + Chitosan (0.75%) as the capturing matrix of the foliar material, under in vitro conditions and with a nested factorial design. In the next phase, those matrices that maintained greater integrity in the first phase were evaluated in vivo. To do this, three male sheep of the Damara breed with a live weight of 14 to 16 kg of weight and an age of 4 months were used, which was performed by abdominal laparotomy a fistula in the rumen, with a completely random design. Significant differences were found (p <0.05) between the treatments, concluding that the alginate polymer matrices elaborated at 2.5% and alginate (3.0%) + chitosan (0.75%) maintain their integrity after 12 h of the retention time under conditions of rumen in vitro and in vivo.
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