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Commodities: Field Crops: Forages

Common Terms Used in Animal Feeding and Nutrition

Glossary: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


Saccharides: Saccharides is another name for simple sugars or polymerized sugar. See carbohydrate for more detail.

Silage: Refers to the feed preserved by an anaerobic fermentation process (e.g., corn silage, haylage, high moisture corn) in which lactic acid and volatile fatty acids (produced by fermentation) lower the pH of the silage. The low pH preserves the silage. See Ensiled.

Silage Additives: Refers to the substances added during the ensiling process to enhance production of lactic acid and/or a rapid decreased in pH of the feed.

Soluble intake protein (SIP): It includes the non-protein nitrogen and that portion of true proteins which are readily degraded to ammonia in the rumen. They are used to synthesize microbial protein in the rumen.

Starch: Starch is an intracellular (occurs within the cells) carbohydrate found primarily in the grain or seed and/or root portions of plants. Starch is a readily available source of energy.

Structural Carbohydrates: These are the complex carbohydrates that form the plant cell wall and include cellulose, hemicellulose, lignin and pectin typically measured in the laboratory as neutral detergent fiber (NDF).

Supplement: A feed or feed mixture used to improve the nutritional value of the ration complementing the nutrients in the base feed. A supplement is rich in one or more of protein, energy, vitamins, minerals, and in combination with the base feeds produces a more complete feed.