This is ideal for beginner level animal science/animal nutrition. Students who are not ready to tackle the Pearson Square or more complex terms like palability can still conduct this lab and understand why feed comes in a variety of forms. I use this lab after covering common livestock feedstuffs where students learn about the common feedstuffs, what their purpose is, etc. We follow up with this lab so students gain a deeper understanding of why some feed is pelletized, why some feedstuff is gra