Daga cikin nau’ikan kaho masu ban mamaki akwai awaki na myotonic, waɗanda ake kiwo a Amurka a cikin jihar Tennessee. Sun bambanta da danginsu a cikin iyawar suma, wanda aka lakafta su “suma” a cikin rayuwar yau da kullum.
Suma (Myotonic) awaki
Abin da ke cikin labarin:
Bayanin goat myotonic
Suma akuya iri-iri ne na dabbobin gida na gama gari masu ƙaho waɗanda suka bambanta a cikin nau’in su saboda bambancinsu. Wani nau’in nau’in artiodactyl da ba kasafai ba yana iya suma a cikin yanayin gaggawa a gare shi. Wannan yanayin yana da mahimmanci ga goat na myotonic kawai, saboda haka, masu shayarwa suna la’akari da shi nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’i nau’i nau’i nau’i nau’i nau’i nau’i nau’i nau’i nau’i nau’ ” nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in) ya bambanta da nau’ikan da ke jawo sha’awa ba kawai daga manoma na yau da kullun ba, har ma daga masanan dabbobi. Halin yanayinsa na fadawa cikin yanayi maras motsi lokaci ne na maido da al’umma don fahimta da ba da bayani ga abin da ba a iya bayyanawa.
A cikin bayyanar, akuyar Tennessee tana kama da na yau da kullun, amma girmansa ya ɗan ƙanƙanta – yawanci, wakilin ƙaho mai ƙaho ya kai tsayin 42 zuwa santimita 65 kuma yana iya yin nauyi duka 27 kuma har zuwa kilo 79. Myotonic maza suna iya samun nauyi har zuwa kilogiram 100. Ba su cikin dabbobin da ba su da ƙarfi kuma, a matsayin mai mulkin, sun fi 35-40 bisa dari fiye da awaki na yau da kullun.
Kyakkyawar ƙaho mai shuɗewa tana da manyan idanu masu kumbura da madaidaicin bayanin martaba. Launin ulu na gargajiya na awakin suma shine baki da fari, amma a cikin yanayi akwai dabbobi masu launi daban-daban. Duk da cewa dabbobi ba su da tushen gama gari tare da nau’ikan Angora, a cikin yanayin sanyi, wasu wakilan reshe na myotonic na iya zama masu samar da samfuran cashmere, kasancewa masu mallakar ulu mai kyau, gajere da tsayi.
Abubuwan da ke haifar da suma a cikin awaki myotonic
Akuya suna da ikon suma don rashin daidaituwar kwayoyin halitta da za a iya gada, kasancewa masu rahusa kuma suna bayyana a cikin kowane zuriya na biyu.
Cutar da ake kira “myotonia” ta ba wa waɗannan dabbobi suna. Nakasawar tsoka, wanda ke haifar da rashin motsi, yana bayyana ne sakamakon ƙara yawan motsin rai da jin daɗin jiki. Daga cikin dalilan da suke kai akuya suma akwai kamar haka;
- haɗari mai barazana, wanda ke bayyana kansa a cikin nau’i na tsoro ko tsoro,
- wani tashin hankali ya fashe da ganin abinci mai yawa da suka fi so, a gare su hatsi ne.
- overexcitation a bayyanar mutum na m jima’i.
Duk waɗannan abubuwan da ke motsa jikin akuya suna raunana jikin akuya na daƙiƙa goma zuwa goma sha biyar, yayin da suke faɗuwa a bayansu ta gefensu ko a bayansu, suna shimfiɗa gaɓoɓinsu kuma suna rasa ikon motsi. Daidai saboda wannan dabi’a ta ban mamaki ne dabbobi suka karɓi sunan gida “kashi” da “ƙafafun ƙafafu”.
Jigon Pathology a cikin awaki myotonic
Siffar Myotonia na suma akuya cuta ce ta neuromuscular da ke tare da kumburin tsoka tare da jinkirin shakatawa, sabili da haka, a ƙarƙashin yanayin lokacin da tsokoki ba zato ba tsammani kuma ba za su iya shakatawa ba, dabbobin sun faɗi juyewa, kamar an buga su, ba su iya motsawa.
Wannan yanayin yana da alaƙa da ilimin ilimin ƙwayoyin cuta na chromosomes, don haka al’adar ketare awaki marasa ƙarfi tare da wasu nau’ikan ba ta ba da sakamako mai kyau ba – idan zuriyar farko za ta iya zama cikakkiyar lafiya, to, yaran da aka haifa daga baya za su ɗauki wannan cutar ta ƙwayoyin cuta kuma su fara farawa. suma.
Ba kamar sauran dabbobi ba, waɗanda jikin ke kashe gaba ɗaya yayin zaman suma, awakin myotonic suna sane yayin harin.
Masana kimiyya sun yi imanin cewa tasirin da ke tattare da cututtukan myotonic yana raguwa yayin da dabbar ke girma, amma wannan yana iya zama halayen sauran nau’in, yayin da awaki masu suma suka fada cikin rashin hankali ba tare da la’akari da yawan shekarun da suka rayu ba, wanda ba ya shafar lafiyar su a kowane hali. hanya.
Me yasa ake kiwo irin na Tennessee?
A baya a cikin 1989, masoyan awaki da ba a saba gani ba waɗanda za su iya faɗawa cikin yanayin da ba a iya motsi ba sun ƙirƙiri wata ƙungiya ta ƙasa da ƙasa da ke sa ido kan kiyaye nau’in da kuma lura da bin ka’idodin kiwo.
Bayan ‘yan shekaru da suka wuce, an yi amfani da wakilan myotonic a matsayin koto don ceton garken akuya, ta yin amfani da takamaiman fasalin su. Lokacin da mafarauci ya bayyana, a ƙarƙashin rinjayar ma’anar haɗari, akuyar myotonic ta fada cikin yanayin suma, ta haka ne ya ba da sadaukarwa kuma ya hallaka kansa har ya mutu, amma a lokaci guda yana kiyaye duk sauran mutane na garke.
A yau, ana kare akuyar myotonic a Amurka, kasancewar dabbar da ba kasafai ba ce. Daga cikin abũbuwan amfãni daga cikin nau’in, kyakkyawan dandano nama da sauƙi na kiyaye shi an lura. Sau da yawa, gonakin ɗaiɗaikun suna da dabbar suma don sha’awa saboda bambancinta. Abota da ban dariya a yanayi, awaki na myotomy suna ƙara shiga cikin wasanni masu nishadantarwa.
Kuna iya yin alamar shafi wannan shafi
