Decreased plasma testosterone concentrations and weight gain in young bulls affected by ryegrass staggers.
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.
Peterson
A J
AJ
Ruakura Animal Research Station, Private Bag, Hamilton.
Bass
J J
JJ
Byford
M J
MJ