Kifi-matasan: abũbuwan amfãni a kan m siffofin. A amfani da hybridization

Tare da m jinsuna ne na girma amfani a yau a kamun kifin da kifi-matasan. Shi ne na mai daraja saboda su aiki a search na abinci, da m girma da kwanciyar hankali ga mutane da yawa cututtuka.

hybridization kifi

A yanayi a can ne wani lokacin tsallaka jinsuna daban na kifi da sauƙi. Duk da haka, wadannan hybrids ba su da zama dole halaye ne na wani mutum. Gudanar da masana kimiyya da kuma shayarwa aiki tare da kiyaye wasu sharudda da ake samu sabon nau'in kifi, wanda da yawa abũbuwan amfãni a kan m nau'in.

Da farko tsallaka abubuwa sun yafi na iyali Cyprinidae, sa'an nan akwai kifi - sturgeon matasan da sturgeon, da sturgeon, da dai sauransu ...

hybridization Meaning

A cikin 'yan shekaru, saboda ya karu hydro, wani canji a cikin ruwa tsarin mulki na koguna, wadda take kaiwa zuwa wani karu a alƙarya da wasu kifi, musamman sturgeon. A wannan halin da ake ciki, da hybridization ne na bayar da muhimmanci ga kiyayewa daga cikin mafi muhimmanci jinsunan. A sakamakon hybrids waddan sturgeon samun mafi girma fahimcin muhimmancin da kuma m girma. Wannan ya sa su da riba masana'antu kiwo, kyale su sami high quality kifi bayan kawai 2-3 girma yanayi.

Create new breeds ne Hardy, kuma m domin su za a iya amfani da kiwon kifi a cikin wadannan ruwayen, da sharuddan da wanda ba za a dauke m ga kifi m halaye. Suna yawa mafi saba da sabon hali. Alal misali, madubi irin kifi da kuma irin kifi Amur a crosses bada zuriya da ciwon high hardiness. Gaskiyar cewa hybrids mai accumulates sosai hanzari, don haka suka jure da sanyi da yawa sauki. Saboda da m girma da farko na hunturu, sun riga muhimmanci girma da kuma saduwa da riga mulkinsu. Kifi-matasan, sabanin tsarki tsari, zai iya zama da girma a kududdufai located nisa arewa.

Common irin kifi hybrids

Mafi ban sha'awa ne matasan na irin kifi da kuma crucian irin kifi. Wannan kifi ne sosai hardier da kasa mai saukin kamuwa da cuta fiye da irin kifi, da sauri girma, kuma yana da matukar dadi yankin nama, wanda shi ne daidai da ingancin kifi fillet m nau'in.

Spawning kifin zinari ya zo daidai c haifuwa lokaci sauran kifi. Wannan yawanci ya faru a watan Mayu da Yuni. A wannan lokaci, akwai sau da yawa wani halitta mararraba na crucian irin kifi. Kawai haka samu sabon siffofin da ba su da ake bukata quality.

Hybrid irin kifi da kuma irin kifi Dnieper halitta don dalili na kiwo, kifi a cikin shinkafa filayen, da zurfin abin da yake bai isa ba, ga kowa da irin kifi, da wani babban koma. Zuriyya gaji low irin kifi da baya, kuma mai rai yanayi a gare su a cikin shinkafa filayen kasance quite m. Hybrid irin kifi da kuma irin kifi suna ma mafi saba da rayuwa a arewacin yankunan, kamar yadda qwai da kuma soya su gada daga irin kifi jure low yanayin zafi.

A ruwa a yankunan karkara jikinsu saboda da high takin gargajiya na fi na kowa irin kifi matasan. Ya sau da yawa ya maye gurbin irin kifi da kuma sauran kifaye.

hybrids na sturgeon

Very high fahimcin muhimmancin nuna wani matasan bred da shayarwa a 1950 ta tsallaka da sterlet sturgeon. Game da 180 kg ya nauyi kai bayan watanni 10.

Beluga, kasancewa mafi girma a kifi na sturgeon, sturgeon da kuma yadda mafi karami bada wani sabon nau'in mai suna Bester. Da ciwon da siffofin na jiki tsari da kuma nauyi na kifi sturgeon matasan za a iya girma quite nasarar a sabo ruwaye. Domin da farko lokacin da wannan nau'in da aka samu a Rasha a shekara ta 1952 da kuma kaddamar a Proletarian tafki da kuma Tekun Azov. Bester samu da yawa daga cikin mafi kyau halaye na beluga da sterlet daga shi gaji sosai da dadi da kuma gina jiki nama. By shekaru uku, wannan matasan kai nauyi na 3 kg.

Mutane da yawa daga cikin tafki, inda sannu a hankali sadarwa sturgeon jinsuna sun bace, godiya ga hybridization samu wani sabon tsari na kifi da tsallaka karu da stellate sturgeon. Wannan matasan yin la'akari har zuwa 30 kg ore da yawa fiye da na mahaifa siffofin. Sun dabbobi guda tsirar ya wuce duk sauran sturgeon jinsunan. Yau, da wannan kifi-matasan a tsakiyar Volga girma a cikin mutane da yawa kiwon kifi.

Sharuddan sturgeon hybridization

Ga nasara namo sturgeon hybrids ake bukata don cika tare da wasu yanayi. Wadannan kifaye ba na son m ruwa, don haka zurfin dole ne muhimmi. Ya kamata kuma ba ta kasance a cikin ruwa da yawa ciyayi, musamman a ke so filaria, wanda wani lokacin overgrown tafkunan kamar kifi iya zama sarƙafewa a ciki shi. Tafkunan da a cike da laka bottoms ba su dace ga sturgeon, saboda ana yawanci ciyar da kasa surface.

Don kawar da gasar a abinci, shi ne shawarar zuwa jinsi sturgeon da herbivorous jinsunan, irin, misali, kamar azurfa irin kifi da ciyawa irin kifi. Kifi-matasan ya kamata a rarraba a kan ruwa jikinsu, shan la'akari da size da shekaru, saboda sau da yawa suka ci matasa adult samfurori.

hybridization disadvantages

Girma hybrids bukatar sharadi gwargwado. 'Yar alamar karkata daga wadannan bukatu iya kai wa ga lahani a cikin tsarin da kwanyar ko operculum. Tare da kasa abinci mai gina jiki a lokacin zamansa a cikin kifi tafkunan da a cike da laka bottoms akwai daban-daban lahani, da kuma wasu sigogi.

Muhimmanci shi ne hanya zuwa mararraba. Alal misali, lokacin da caviar irin kifi hadu irin kifi milt, cimma sakamako mai kyau a cikin matasan hardiness. Amma lokacin da interbreeding samar, barbarar qwai da irin kifi, irin kaddarorin da ba za a iya samu.