Answer :
Final answer:
In poultry farming, different breeds, cleanliness, and desirable traits for crossbreeding play essential roles.
Explanation:
a. List different breeds used for poultry farming:
- Broilers
- Layers
- Breeders
b. The need to clean and sanitize the shelter of poultry farms: Cleanliness is crucial to prevent the spread of diseases among poultry.
c. Four desirable traits for crossbreeding:
- Disease resistance
- Increased egg production
- Faster growth
- Improved feed conversion efficiency
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