Fitar daga cikin ruwan nelma wari kamar kokwamba. Daga cikin su, kifin shine mafi girma, yana girma har zuwa mita 1.5 kuma yana samun nauyin kilo 50.
Nelma kifi
Bayani da siffofin nelma
Kimanin kilogram hamsin nelms ba safai ba. Hakanan an zana bangarorin da ciki na ciki na kifin. Sauran abubuwan nelma sun hada da:
- rashin tabo mai duhu a jiki, kamar sauran salmonids
- -arƙirar siffa mai ƙyalƙyali da lanƙwasa a kaikaice
- kasancewar adifin fin - tsirowar fata a bayan ƙarshen fin
- babban baki, ƙananan muƙamuƙin sa suna yin gaba, suna kaiwa tsaye na gefen bayan ido, kuma suna birgima sama
- yalwar ƙananan, haƙora masu kaifi, wadatar koda a harshen kifi
- babba, mai tsayi, kusan triangular
- fananan ƙanshi da idanun rawaya
Nelma a hoto ba a rarrabe shi da jinsi. Masanan Ichthyologists suna kiran wannan rashin dimorphism na jima'i.
Sunan nelma na biyu shine farin kifi. 'Yan arewa galibi suna yin yanka daga ciki, ta amfani da dukiyar nelma daskararre don yankewa cikin sauki.
Nelma nama
Kasancewa dan arewa, farin kifin mai kiba ne. Koyaya, bayanin samfurin daidai yana da wuyar samu ta hanyar shigar da tambayar “nelma jan kifi". Ba kamar yawancin salmonids ba, jarumar labarin tana da nama mai sauƙi.
Rayuwar kifi da mazauni
Nelma - kifi, wanda ke samar da sauti a jikin ruwa kwatankwacin fashewar taimen. A wurin aiki nelma kifin arewa.
A mafi yawan shekara, tana iyo a cikin ƙauyukan sanyi na Ob, Yenisei, Irtysh, Lena da kuma kusa da gabar arewacin tekun. Kifi ya zo ga ƙarshe a cikin kaka.
Nelma ta yi hanzarin zubewa bayan guguwar kankara. Menene kifin nelma yayi kama a wancan lokacin? Yaya asp. Wadannan mazaunan ruwa biyu suna kama da juna kamar yadda ake farauta da halaye.
A cikin Rasha, ya fi sau da yawa a lura da halayen nelma a tafkunan Siberia da Gabas ta Tsakiya. A ka'ida, kowane kogi mai tsabta a Arctic Circle ya dace da nelma.
Abincin Nelma
Nelma baya cin abincin tsirrai. Bayanin nelma Shin bayanin mai farauta 100% ne Kafin wannan, abincin ya haɗu, tunda yana da wahala jarirai su haɗiye yawancin waɗanda ke cikin cutar.
Abincin abincin jarumar labarin ya dogara inda ake samun nelma kifi... Sauran nau'in halittun tekun da basu kai fari da kifi a girma suma sun dace.
Wucewa cikin koguna, nelma ya riga ya cinye kifin ruwa mai laushi, ɓawon burodi, ƙwari da tsutsa. A wannan lokacin an kama nelma.
Kama nelma a cikin hunturu
Suna neman shi a kusa da bankunan yashi kusa da tsakiyar tashar, ko kuma ɗan nesa da hanzarin. Yaushe nelma kamun kifi yana da mahimmanci a yi la’akari da cewa koyaushe tana tsaye da kan ta a kan halin yanzu. A matsayinka na mai mulki, wannan cokali ne.
Sake haifuwa da tsawon rai
Sanin me gidan kifi nelma wakiltar, ana iya ɗauka cewa jarumar labarin ta mutu bayan an taɓar da kanta. Bayanan 'yan bayanai game da haihuwa suna da alaƙa da ƙarshen shekarun nelma:
- Maza a shirye suke su hayayyafa da aƙalla shekaru 5. Wasu takin mata ne a karon farko a shekaru 10.
- Mata na jinsin suna shirye don haɓaka cikin shekaru 2-3.
Don kare kansa, nelma ya ratsa rafuka masu nisa daga kilomita dubu 1.5. Soya ta ci gaba a cikinsu tsawon kwanaki 250.
Nelma soya suna da sauri girma. Babban dalili shine yalwar tsire-tsire masu samar da wutar lantarki akan kogunan da farin kifi ya taɓarɓare a ciki.
Shuke-shuke masu amfani da lantarki suna sanya ruwan dumi da gajimare. Rage yawan wuraren tallafi yana haifar da raguwa a cikin yawan jama'a.
Yadda ake dafa nelma
A cikin tambaya, yadda ake dafa nelma, yana da mahimmanci la'akari da barazanar da nama mai daɗi ke haifarwa. Wannan tsutsa mai rikitarwa ya kai tsawon mita 12.
Nelma naman zai iya ɓoye nanophytosis. Wannan ya riga ya zagaye, ba talif ba ne. Ana kiran larvae na zagaye na anisachids.
Nelma kifi ne mai dadi
Suna tsokano ci gaban ulcer. A yayin aiwatar da girki, ana narkar da kitse daga farin kifin.
Nelma mai gishiri, gasa, soyayyen, an daɗa shi zuwa miya. Hakanan, an kawata kunnen lemo da nelma, amma dole ne a yanke zest don kada broth ya fara ɗanɗana ɗaci.