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Like people - cattle can vary in temperament
My brother’s championship Brahma bull was a killer - after he was not being trained, walked, shown
A Brahma steer just a bit younger - was rough at first - soon thought he was a pet or a horse
The most dangerous time was to turn your back on 3 feedlot Brahma steers after pumping some water in the tank
It smart to think of all animals as gators
I fought a big bull gator and won - but I could have lost too
Never be surprised by what they might do next
I sure do not miss finding cougar tracks following ours in the morning
[Like people - cattle can vary in temperament]
When my daughters were in 4-H, the kids were still actually raising and caring for the animals themselves, every day. Buying a calf and hand raising it would make it much more tame.
As you say, any animal can be mean if they have a mind to.