9th Class Science Improvement in food resources Question Bank 9th CBSE Science Improvement in food resources

  • question_answer
      What would happen if poultry birds are larger in size and have no summer adaptation capacity? In order to get small sized poultry birds, having summer adaptability what method will be employed?

    Answer:

                      Large sized birds require more feed. Summer adaptation is connected with egg laying. Little summer adaptation reduces egg laying. In order to obtain small sized poultry birds having summer adaptability is desirable to (i) introduce the exotic birds from outside. (ii) cross breed the local birds with exotic birds from outside. Small size birds are preferred for (i) lower requirement of feed. (ii) higher egg laying capacity and (iii) lower requirement for space.                 (5)


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