| Packy's treatment was interrupted when he went into musth, a sexually aggressive period, and he stopped cooperating. |
| It ends with the animal protesting, after being chained during musth. |
| During sexually active periods, known as musth, males spend much of their time searching for mates. |
| But at the age of 27 in 1900, he developed a condition called musth, in which raised testosterone causes aggression. |
| Males in musth actively seek mating opportunities and become much more aggressive toward other bulls. |
| Treviso coach Franco Smith musth have given his side a rollicking at half time, and they came out for the second half with much more fight in their bellies. |
