SELECT * FROM question_mgmt as q WHERE id=4308 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=8 AND subId=16 AND chapterId=195 and ex_no='7' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 9th science Improvement in Food Resources which method is commonly used for improving cattle

Question:

Which method is commonly used for improving cattle breeds and why?

Answer:

Cross breeding is a method commonly used for improving cattle breeds. It is a process in which indigenous varieties of cattle are crossed by exotic breeds to get a crossbreed which is high yielding. Cross breeding between two good varieties of cattle will produce a new improved variety. For example, the cross between foreign breeds such as Jersey Brown, Swiss (having long lactation periods) and Indian breeds such as Red Sindhi, Sahiwal (having excellent resistance power against diseases) produces a new variety having qualities of both breeds.


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