Tare da ci gaban al'umma cikin sauri, gonakin kiwon dabbobi sun bunkasa daga ma'aunin kiwo na gargajiya zuwa ayyukan injiniyoyi, wadanda ba sa cin gajiyar aiki.Misali, kayan sarrafa abinci, na'urorin kiwo, na'urorin samun iska, da dai sauransu suna kara zama m ...
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