Across
- 5. Where are fertile eggs imported from?
- 8. How many part are in the digestive systems of birds?
- 9. What do birds housed indoors require?
- 10. What is fed to birds to help mechanical digestion?
- 11. What is an important energy source?
Down
- 1. What is sorghum a source of?
- 2. Which organ is strong and muscular, and grinds the food?
- 3. Which chickens require the most amount of energy?
- 4. Where does the food pass down to?
- 6. What do housed bird not have access to?
- 7. Which birds need a high level of calcium for egg shell production?