A muhimmanci da abinci da kifi whitefish

A kasuwanci kifi whitefish prized mai dandano da high quality sinadirai. Kifi ne memba na kifi da ake samu a cikin sanyi ruwan arewacin kasashen. Whitefish zauna ruwan Canada, Alaska, Siberia da kuma arewacin Turai, inda da sauyin yanayi, abinci da ruwa su ne gaba daya daban-daban daga nan - a manyan yawan subspecies na kifi. Musamman ma da yawa da bambance bambancen kifi na whitefish a Rasha.

Duk da na ga guda nazarin halittu jinsunan, whitefish raba da salon da morphological halaye. Ko a cikin guda kandami kifi iya samun bambance-bambance a cikin bayyanar, size, abinci mai gina jiki, ci gaba, ku ɗanɗani nama.

A Rasha, da irin kifi whitefish tartsatsi a cikin Turai bangare kuma a Siberia. Yana zaune a kusan duk ƙõramu sunã gudãna a cikin Arctic Ocean, da kuma Lake Baikal. A Turai whitefish da aka samu a Onega, Lake Ladoga, Lake Peipus, da Curonian da Gulf of Finland. Musamman mai yawa kifi a cikin Karelian kududdufai.

Ware whitefish lake, kogin, tafiya-ta. Lake da kuma kogin da kuma spawn ake samu ne kawai a tabkuna da koguna. Sadarwa rayuwa mafi yawa a cikin tabkuna, da kuma je spawn a cikin kogin. Wasu wakilan da anadromous whitefish iya rayuwa a gishiri da ruwa. Suna zaune a cikin tẽku, yawanci a wuraren da mahaɗar tsakãninsu da kõguna a cikinta, inda da yawa daga abinci, da kuma cikin ruwa ne ba ma m, kuma spawn sunã tãkãwa koguna. An haife na yara anadromous kifi rayuwa a cikin kogi a ko'ina cikin shekara.

Whitefish bambanta da yawan stamens a kan branchial baka, wanda aka located kusa da bakinka. Akwai uku iri: malotychinkovye, srednetychinkovye, mnogotychinkovye whitefish.

Akwai iri uku whitefish aka samu matsayi na bakin: babba baki sama, karshen - gaba, m - saukar. Daban-daban subtypes bambanta da jiki contours. A wasu shi ne santsi da kuma streamlined, yayin da wasu - kusurwa, na uku - da hump ko kumbura ƙirãza.

Saboda da morphological fasali a cikin abinci na whitefish, na zuwa daban-daban subtypes, akwai bambance-bambance. Alal misali, kifi HALITTAR sig da kananan yawan gill rakers plankton ba za a iya ciyar da saboda da rashin yiwuwar iri, don haka shi ya fi son benthic kwaro. Mnogotychinkovye whitefish ci yafi plankton.

Kifi, wanda baki ne directed zuwa sama, yawanci ba manyan, ci kananan kwayoyin da cewa rayuwa a cikin sama ruwa yadudduka. Whitefish, wanda baki ne directed gaba, a manyan, ci crayfish, matasa, caviar kifi, kwari larvae.

The nauyi na karami whitefish ne kasa da ɗaya da ɗari grams, da kuma most iya auna fiye da takwas kilo. Dangane da jinsin, kifi whitefish ba girma daidai. Akwai azumi-girma da kuma jinkirin-girma form. Daban-daban subspecies na whitefish a lambobi. Akwai jinsuna wanda alƙarya ne sosai yawa, da sauransu, a maimakon haka, shi ne a kan gab da nau'i nau'i da kuma ta kare masa.

Whitefish aka bai wa tare da azurfa (a mace yellowish) uniform launi, toothless bakinka, lebur tarnaƙi, fairly manyan Sikeli, fari nama. Kifi whitefish bai sauya ba kafin spawning ta launi, amma da maza a jiki akwai wata "lu'u-lu'u" placer. A cikin maza, sabanin mãtã, ƙara jiki da kuma kananan ma'auni.

Mai subspecies na whitefish spawn a marigayi kaka a ruwan sanyi. A karshen lokacin rani kafin fara spawning whitefish hawa sama da kogin nisa isa. Yana kai spawning watanni. Yawanci, wadannan sassa na kogin da rauni halin yanzu, m zurfin da yashi kasa. Bayan spawning whitefish ba ya mutu, kamar yadda yake a cikin kifi, da kuma dawo da m zamanka.

Godiya ga m nama da kuma high-mai kifi whitefish ne mai muhimmanci da abinci da samfur. Kifi ya ƙunshi amfani amino acid da kuma ma'adanai: aidin, sunadarin flourine, tutiya, chromium, da baƙin ƙarfe, phosphorus. whitefish mai kyau digested kuma samamme ta jiki, shi ba ya cutar da ciki, arziki a muhimmanci bitamin ga mutum A, D, PP.