Polycrops, intercrops, cover crops and cocktail crops are different terms that all encompass planting mixed crop species for livestock feed. 

Show Note links:

Polycrop Potential: 12 Tips for Using Mixed Forage Crops (article)

Setting Goals and Adding Diversity is Key for Intercropping (article)

Cover Crops (webpage)

The Benefits of Bringing Cattle and Crops Together (article)

Feed Quality, Testing and Analysis (webpage)