| Summary: | Throughout the history of man, and today more than ever, the ruminant animal has played and continues to play a role of great economic importance. The reason for this importance is due to the presence in these animals of the reticulo-rumen as part of their gastro-intestinal system,which enables the ruminant to utilize roughages as sources of energy, protein, vitamins, and other nutrients. The ruminant has traditionally been the intermediary for the conversion of forage crops into meat, milk and wool. Probably, without ruminant animals, much of the crops now consumed by them would be returned to the soil or consumed by organisms that cannot be utilized by man. [...]
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