52 PRINCIPLES OF FEEDING FARM ANIMALS 



QUESTIONS 



1. Give an outline of the method of conducting digestion trials. 



2. What is a coefficient of digestibility? 



3. Describe the respiration apparatus. 



4. How is a gain in muscular tissue and in body fat in the animal body 



determined ? 



5. What is a Calorie? A therm? 



6. Describe a calorimeter. 



7. Describe the respiration calorimeter. 



8. What is meant by the potential energy of a feeding stuff? 



9. What is the difference between potential and available energy? 



10. Why are coarse feeds less valuable to farm animals than concentrates? 



11. What are energy values, and how have they been obtained? 



12. For which class of farm animals are the energy values especially 



applicable, and what are the weak points in applying these to other 

 classes of farm animals? 



