title: Decreased plasma testosterone concentrations and weight gain in young bulls affected by ryegrass staggers.
abstract: Ryegrass staggers caused a significant depression of plasma testosterone concentrations in prepubertal bulls, and the most severely affected animals had a marked reduction in liveweight gain.
authors: Ruakura Animal Research Station, Private Bag, Hamilton.
authors: A J
authors: AJ
authors: Peterson
authors: J J
authors: JJ
authors: Bass
authors: M J
authors: MJ
authors: Byford