07.11.2021 - By iHeartPodcasts
OK, 'happy' is a stretch, but researchers are looking into how cows given positive interactions (like back scritches) grow and produce milk versus less-content cows. Learn more in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.