The effect of dung beetle activity on the discharge of Pilobolus (Fungi, Mucorales) sporangia in cattle, sheep and horse faeces [Sphaeridium bipustulatum]

aphodius biological control bousier coprofagia coprophagia coprophagie dictyocaulus viviparus dung beetles faeces feces ganado heces infecciones por nematodos laboratory experimentation livestock lutte biologique microorganisme microorganismos microorganisms nematode infections pilobolus