Blue idanu a cikin karnuka na wasu nau'o'in nau'in nau'i ne na ban mamaki wanda ya sa bayyanar dabbar ta zama na musamman. Amma kuma rashi ne na kwayoyin halitta da ke da alaƙa da wasu haɗari ga lafiyar dabbar.
Mun gaya muku wane nau'in karnuka na iya samun idanu masu launin shuɗi, dalilin da yasa aka haife su da idanu masu launin shuɗi da kuma irin cututtuka da suka fi dacewa da su.
Me yasa wasu karnuka suke da idanu shudi?
An haifi 'yan kwikwiyo da idanu masu launin shuɗi, amma a cikin 95% daga cikinsu launi na iris yana canzawa a cikin makonni 8-10 na farko na rayuwa. Kuma kashi 5 cikin ɗari ne kawai na dabbobin gida suna da idanu masu ƙanƙara a matsayin wani ɓangare na DNA ɗin su. Ana ɗaukar sifa mai launin shuɗi mai launin shuɗi kuma galibi ana danganta shi da launin gashi, musamman a cikin karnuka da merle ("marble" gashi) ko launi mai wadatarwa (farin sautin tushe tare da tarwatsa kananan aibobi).
Launi na musamman na idanuwan karnuka shine saboda melanin pigment, ko ma dai rashinsa. Melanin shine sashin launi na iris na ido. A cikin idanu masu launin ruwan kasa, yana da matsakaicin adadin, a cikin idanu masu launin shuɗi - ƙananan, kuma kawai a cikin layi na gaba kuma wani lokaci, kadan kadan, a baya. Yawanci, rashi na melanin bai iyakance ga idanu masu ƙanƙara kaɗai ba. Hakanan ana iya ganin rashin launi a cikin hanci mai ruwan hoda da fata mai kyau.
Wadanne iri ne suke da idanu shudi?
Mafi sau da yawa, karnuka masu launin shuɗi suna samuwa a cikin wakilan masu zuwa iri:
- Siberian husky
- Border Collie
- Makiyayin Australiya
- Dachshund
- Weimaraner
- Welsh corgi cardigan
- Babban Dan
- Cathoula Leopard Dog
- Alaskan Kli-kai
- rami bijimin
Wadanne matsalolin lafiya karnuka masu ruwan idanu suke da shi?
Pigment ba kawai launi ba ne. Hakanan muhimmin abu ne don haɓaka hangen nesa da ji. Kuma ko da yake ba duka karnuka masu launin shuɗi ba ne ke haifar da matsalolin ido da kunne, har yanzu sun fi kamuwa da wasu cututtuka fiye da sauran dabbobi, ciki har da:
- Cochleosaccular kurma. Wannan cuta ce ta gado wacce ke da alaƙa da rashin launi a cikin rigar kare da idanu. Ya fi kowa a cikin fararen karnuka masu idanu shuɗi kuma yawanci yana bayyana tsakanin makonni 1 zuwa 3 a kan kunnuwa ɗaya ko biyu.
- Abubuwan rashin daidaituwa na ci gaban sashin gaba na ido. Pathologies tasowa a cikin 'yan kwikwiyo da aka haifa daga karnuka biyu masu launin merle. Sauran matsalolin da ke cikin 'ya'yan itace sun hada da rage girman ido, ƙaura daga cikin ɗalibin daga cibiyar, hankali ga haske, lalacewar hangen nesa gaba ɗaya, babban haɗari na tasowa cataracts.
- Albinism yana faruwa ne lokacin da jikin kare ba zai iya samar da isasshen adadin melanin ba kuma ba shi da launi. Wannan cuta da ba kasafai ake samunta ba na iya haifar da rage girman ido, da azama ga hasken ultraviolet, da nakasar ruwan tabarau ko iris, wanda galibi ke haifar da makanta.
Wani yanayi mai ban tsoro shine idan idanun kare mai launin ruwan kasa ba zato ba tsammani suka fara haske. Wannan na iya zama alamar cututtuka da yawa a lokaci ɗaya:
- Interstitial keratitis shine kumburi na cornea, wanda zai iya fitowa a matsayin fim mai launin shuɗi-fari a saman ido.
- Cataracts, alama ce ta kowa na tsufa a cikin dabbobi, wanda ke ba wa iris haske mai duhu da bluish tint.
- Glaucoma cuta ce ta jijiyar gani wanda iris zai iya zama launin shudi.
Duk wani canjin hangen nesa na kare ya kamata a sanar da likitan ku nan take. Yawancin cututtukan ido ana iya magance su, kuma da farko an gano cutar, mafi kyawun hasashen.
Muna ba da shawarar cewa ku karanta kuma ku lura da duk abin da aka yanke akan tashar mu bisa ga ra'ayin ku. Kada ku yi maganin kai! A cikin labaranmu, muna tattara sabbin bayanan kimiyya da kuma ra'ayoyin masana masu iko a fannin kiwon lafiya. Amma ku tuna: likita ne kawai zai iya tantancewa kuma ya rubuta magani.
An yi niyya ta hanyar tashar don masu amfani fiye da shekaru 13. Wasu kayan ƙila ba za su dace da yara masu ƙasa da shekara 16 ba. Ba ma tattara bayanan sirri daga yara a ƙarƙashin 13 ba tare da izinin iyaye ba.Muna da ƙaramin buƙata. Muna ƙoƙari don ƙirƙirar abun ciki mai inganci wanda ke taimakawa kula da dabbobi, kuma muna ba da shi kyauta ga kowa da kowa saboda mun yi imani cewa kowa ya cancanci ingantaccen bayani mai amfani.
Tallace-tallacen kuɗaɗen talla yana ɗaukar ƙaramin yanki na farashin mu, kuma muna son ci gaba da samar da abun ciki ba tare da buƙatar ƙara talla ba. Idan kun sami amfanin kayanmu, don Allah tallafa mana. Yana ɗaukar minti ɗaya kawai, amma tallafin ku zai taimaka mana mu rage dogaro ga talla da ƙirƙirar labarai masu fa'ida. Na gode!
