The interactive CD-ROM contains formulation templates for eleven different breeds of domestic animals. Each may be used to formulate a balanced ration from available feedstuffs or to evaluate an existing ration for nutrient balance. There are 11 different applications for 11 different types of domestic animals. Each may be used to formulate a balanced ration from available feedstuffs or to evaluate an existing ration for nutrient balance. The CD-ROM is operated by six buttons on the home display: 1. Input Animal. 2. Select Feeds. 3. Make Ration. 4. Blend Feedstuffs. 5. View Blends. 6. Print Ration or Blend.