"If someone knowledgeable in the field were to come in and try to correct this nonsense, what exactly would they cite? Academic journals? Because information on animal husbandry is a frequent subject of academic debate. Newspapers and magazines? Surely a smash hit topic there."

I don't get your point. Of course there are academic journals on animal husbandry, as well as trade magazines and textbooks. Why would their be any difficulty finding material to cite on animal husbandry?