Geoduck I think you are making more sense that the rest. This was not only done on domestic animal but also on slaves here in America. shocked They would try to match the biggest and strongest in order to get the most robust offsprings. They would get more of the hard work that needed to get done, done faster. rolleyes
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Whoever undertakes to set himself up as a judge of
Truth and Knowledge is shipwrecked by the laughter
of the gods.

-- Albert Einstein