publishes UMaine release on study of disease spillover among sheep, goats published a University of Maine news release about a new large-scale genetic study that found domestic sheep and goats are the source of bronchopneumonia in bighorn sheep and mountain goats in the western United States. Pauline Kamath, assistant professor of animal health, led the research. Spillover diseases have significant consequences for human and animal health, including wildlife conservation efforts, according to the researchers.