My first thought when reading the title: "I wonder what livestock group subsidized this." A reasonable wondering, it seems. That doesn't invalidate the data,

My first thought when reading the title: "I wonder what livestock group subsidized this." A reasonable wondering, it seems. That doesn't invalidate the data, but it does raise questions about how the researchers might frame the experiment or interpret or present the results (such as a click bait title). Then, of course, there's always the possibility of a modicum of cultural bias...