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Ika-kākano: painga i runga i ngā puka parakore. Ko te whakamahi o te hybridization

Fakataha ki momo parakore ko o whakamahi nui i tenei ra i roto i te ahumoana me ika-ranu. Ko reira o te uara nui no o ratou mahi i roto i te rapu o te kai, te tupu tere, me te pūmautanga ki maha mate.

ika hybridization

I roto i te natura te tahi mau taime i reira whiti rerekē momo o ika fakanatula. Heoi, enei hybrids kahore e whai i te mau huru e tika ana o te tangata. Whakahaere e te kaimātai pūtaiao me tutu'a ki te mahi ki te haapa'oraa o etahi ture hua momo hou o ika, e whai maha painga mo nga momo parakore.

I te tīmatanga i te nuinga o te whānau Cyprinidae ngā whiti, ka reira ika - sturgeon kākano ki sturgeon, te sturgeon, aha ...

Meaning hybridization

I roto i nga tau tata nei, ki te tika nui haere hurihiko, he huringa i roto i te tikanga te wai o nga awa, e arata'i ki te hekenga i roto i ngā taupori o etahi ika, rawa sturgeon. I roto i tenei āhuatanga, ko te hybridization o faufaa nui mo te tiaki o te momo tino faufaa. Ko te hybrids hua hua sturgeon whai oranga tonutanga teitei me te tupu tere. Tenei hanga ratou tupuranga ahumahi pai, tuku ki te whiwhi ika kounga teitei i muri i nga wa e tipu 2-3 anake.

Waihanga He maia me te hua ahu hou kia taea te whakamahi ratou mo te pāmu ika i roto i enei wai, e kore e taea te whakaaro pai mō te ika aratau hoa nga ngā o nei. E nui pai ratou taunga ki te huru hou. Hei tauira, whakaata carp me te carp Amur i roto i ripekatia tuku uri he hardiness tiketike. piki rawa tere te hybrids ngako meka e, na faatia ratou te matao nui māmā. Nā ki te tupu tere ki te tīmatanga o te hotoke, ratou kua tino tupu, ka whakatau ona kua whakatōpū. Fish-kākano, pērā puka parakore, ka taea e ora me te tupu i roto i Faarii kei tawhiti te raki.

hybrids carp Common

Te nuinga ngā Ko te kākano o te carp me carp crucian. Ko nui hardier me iti i haria ki te mate atu i carp, whakatipu tere tenei ika, me te kua he filet tino reka, i te mea rite ki te kounga o te aho ika momo parakore.

Waa mōrihana hāngai c wā reproduction atu ika. te tikanga tupu tenei roto i Mei me Hune. I tenei wa, i reira he maha he whakawhiti tūturu o te carp crucian. e kore e anake te kupu whiwhi puka hou i te kounga hiahiatia.

Ranu carp me te carp Dnieper hanga mo te whakaaro o te tupuranga ika i roto i te mara raihi, e kore e ranei ma te carp noa te hohonu o nei, me te hoki tiketike. riro uri carp iti hoki, a nga tikanga e noho ana hoki ratou i roto i nga mara raihi tino pai. carp ranu me te carp e hoki atu taunga ki te ora i roto i te rohe o te raki, rite hua, me te kōrori kua riro ratou i carp ātete ki te pāmahana iti.

I roto i te tinana tuawhenua wai e tika ana ki te hua nui o te huitahi carp tino noa. Ia maha whakakapi carp me ētahi atu ika.

hybrids o sturgeon

Tino whakakitea noho tuwhera tonu tiketike he kākano muia e tutu'a i roto i te tau 1950 mā te whiti ki te sturgeon sterlet. Mō 180 kg o tona taimaha tae i muri i te 10 marama.

Beluga, he te ika nui rawa o te sturgeon, sturgeon me pehea te iti tuku he momo hou, ko Bester. He nga āhuatanga o te hanganga tinana me te taimaha o te sturgeon kākano ika e taea te tupu rawa pai i roto i nga wai hou. Hoki te wā tuatahi i whiwhi i tenei momo kua i roto i Russia i 1952, ka rere i roto i Proletarian Reservoir me te moana o Azov. tokomaha o nga mau huru pai o te beluga me sterlet ka Bester i riro te reira i te kai tino reka, me te tōtika. Na roto i te toru tau, tae tenei kākano taimaha o 3 kg.

E rave rahi o te awa ki, te wahi i ngaro āta kōrero momo sturgeon, whakawhetai ki hybridization riro te puka hou o te ika i te whiti matau me te stellate sturgeon. Tenei kākano kotahi ake ki te 30 kg tupulaki nui tere atu i te puka mātua. kararehe Young o te resilience taua nui katoa atu momo sturgeon. I teie mahana, i tenei ika-kākano i waenganui i te Täingäwai tupu i roto i te maha ika.

hybridization Ngā sturgeon

Hoki te māra angitu o hybrids sturgeon hiahiatia ki te ū ki etahi tikanga. e kore e rite enei ika wai pāpaku, kia kia nui hōhonu. e kore ano hoki e waiho te reira i roto i te wai rawa nui otaota, filaria ngā houhou, i ētahi wā roto tupuria rite ika e taea riro e whiwhi ana i roto i reira. e kore e tika ana mō te sturgeon roto ki take paru, no te mea kei te nuinga o ratou whangai ki te mata raro.

Hei whakakore i whakataetae i roto i te kai, e tūtohu ana ki te whakawhānau sturgeon ki momo wätea, taua, mo te tauira, rite te carp hiriwa me te tarutaru carp. kia Fish-kākano kia tohaina ki runga i nga tinana wai, tango ki pūkete te rahi me te tau, no te mea ratou maha kai te pi tauira pakeke.

huakore hybridization

titau āhuatanga pai whakatipu hybrids. Te ine iti i enei whakaritenga ka taea arahi ki hē i roto i te hanganga o te angaanga operculum ranei. Ki te iti rawa kai tōtika i roto i indwelling i roto i roto ika ki take paru reira e ngā hē, me te maha atu tawhā.

Nui ko te ara ki te whakawhitinga. Hei tauira, ka caviar carp wairakau carp milt, tutuki hua pai i roto i te hardiness ranu. Otira ka hua te interbreeding, fertilizing nga hua o carp, e taea e kore te whiwhi taua āhuatanga.

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