Successful Selective Breeding

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Across
  1. 4. A type of meat-producing cow
  2. 9. A method used instead of breeding programmes to produce ideal cattle
  3. 10. What flows through the aphids mouth into it's digestive system?
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  1. 1. What is selective breeding being used to produce?
  2. 2. A type of milk-producing cow
  3. 3. What is leaf rust caused by?
  4. 5. Major pest of wheat plants
  5. 6. Where is leaf rust a main threat?
  6. 7. Cattle with a high milk yield can suffer from this.
  7. 8. A solution to the Russian wheat aphid