<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?katika mwaka wa 2003, kuku wa nyama takriban bilioni 42 walizalishwa,asilimia 80 ambao walitayarishwa na makampuni nne: aviagen, cobb-vantress, hubbard mashamba, hybro.  <response>: in 2003, approximately 42 billion broilers were produced, 80 of which were produced by four companies: aviagen, cobb-vantress, hubbard farms, and hybro. 