Daya daga cikin alamun isharar karnuka shine fitar da harshe, wani abu da ya haifar da ra'ayoyi da bincike da yawa. A yau mun san dalilin wannan al'ada, kuma mun san cewa yana da alaƙa da hanyar da suke bi don daidaita yanayin zafin jiki. Za mu bincika shi daki-daki a ƙasa.
Wannan dabi'ar tana ƙaruwa yayin ranaku mafiya zafi, kuma shine imani cewa karnuka "zufa" ta cikin harshe gaskiya ne. Gaskiyar ita ce, waɗannan dabbobi da kyar da gumi ke fitarwa a cikin fata, don haka suna da hanyoyi biyu ne kawai don sarrafa gumi. Na farkon yana fitar da danshi mai yawa ta hanyar takalmin gwaiwa, na biyun kuma yana huci.
Ta wannan hancin, kare yana amfani da harshensa ya kwashe zufa, don haka abu ne na yau da kullun ka gansu a wannan yanayin lokacin da suke cikin wurare masu zafi ko kuma sun yi wani motsa jiki. Ta hanyar kara karfin numfashin ka, ana diga jini mai dumi zuwa harshenka, wanda ke cire zafi a yanayin danshi.
A yayin wannan aikin, danshin mai ƙarfi yana faruwa a saman ɗakunan mucous na kogon bakin, bronchi da trachea; duk wannan don kar ya wuce digiri 40 a zafin jikinku. Koyaya, wannan hanyar ba ta da tasiri kamar ta mutane, don haka karnuka suna da wahalar sarrafa zafi. Saboda wannan dalili, dole ne mu ɗauki matakan kariya zama dole a lokacin bazara.
Akwai wasu dalilan da yasa kare zai iya fitar da harshensa waje. Tashin hankali, tsoro da farin ciki wasu dalilai ne na yau da kullun. Koyaya, idan yana yin hakan koyaushe kuma yana da ƙananan yanayi dole ne mu bincika shi da wuri-wuri ta hanyar likitan dabbobi, saboda yana iya zama alamar wasu cututtuka.