A series of farm safety demonstrations are being staged at Livestock 2012 at the NEC in Birmingham to try and keep workers safe.
It comes after research shows that farming is the most dangerous industry in the country with a death nearly every week.
One farmer, who lost his arm in an accident, says it's vital agricultural workers understand the dangers.
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"She tried to take hold of the knife to stop him. He told her not to shout out and scream and get on her knees and beg."
A minute-by-minute witness account of the battle has been found and entries from the diary will be tweeted in real time on the anniversary.
"He was so matted that he barely resembled a dog at first glance. His fur was covered in faeces and it was completely covering his eyes."