#$%^&*AU2016201651A120160407.pdf#####ABSTRACT The disclosure provides improved compositions and methods for passive immunization. In embodiments, a composition comprising a synergistic combination of specific polyclonal antibodies in a carrier matrix is provided. The disclosure provides effective, economical 5 compositions and methods for the treatment of diarrhea and enteric infections in broadspectrum, undifferentiated, or mixed clinical applications.