Lanigan was inspired, in part, by an elderly farmhand he had seen working for his father.
"I watched ... this hired man - he was over 90 - caring for our young calves with such love."
Years later, when Lanigan was helping one of his cows bring a baby into the world, like an expectant and tender father, he remembered that man.
"And I thought, 'How hypocritical of me to give something so much love and the end thing is so different from that love,'" he says in the video.
Lanigan took that love to heart when he made his decision a couple of months ago.