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Commodities: Field Crops: Forages: FAQs

What forage types make the highest quality and quantity of hay?

The answer to this question depends upon what is required by the livestock. Some animals require extremely high quality (e.g., lactating dairy cows), while others can maintain themselves on relatively low quality forage (e.g., a mature, idle horse).

Generally speaking, tall fescue and hybrid bermudagrass can provide sufficient quality for most forage-based livestock systems in the mid-South and Southeastern states. However, high quality demands may only be met by cool season annual grasses or the “queen of forage crops,” alfalfa. Figure 1 shows approximately what relative forage quality (RFQ) is needed by certain animal classes and which forage species can provide that level of forage quality.

Relative Forage Quality: Animal Needs and Ranges in Forage Quality

Figure 1. The approximate forage quality required by certain animal classes and the range of which that is typically provided by selected forage crops or types. (Adapted from Ball et al., 2008 and forage quality data from analyses at the University of Georgia’s Feed and Environmental Water laboratory).

Yields of these species can also be exceptionally high. However, high yields require substantial inputs, especially plant nutrients.

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