Alevin nyob twj ywm hauv pob zeb rau ob peb lub lis piam ntxiv, nqus lawv cov zaub mov zoo thiab pib noj cov khoom noj uas ntab hauv pob zeb. Muaj ib hmo, cov alevins ua luam dej tawm ntawm pob zeb thiab pib pub rau cov tsiaj dej microscopic hu ua zooplankton. Lawv tam sim no hu ua salmon kib.
Alevin salmon yog dab tsi?
: ib ntses me tshwj xeeb: salmon uas nyuam qhuav hatched thaum tseem txuas rau lub yolk sac.
Lub qe ua Alevin li cas?
Thaum lub qe salmon npaj txhij, tus me nyuam ntses salmon yuav tawg tawm ntawm lub qe mos mos uas khaws cov yolk raws li ib tug nplua nuj hnab uas dai hauv qab nws lub cev(yolk sacks yog cov txiv kab ntxwv hnab hauv qab lawv). Nyob rau theem no, lawv hu ua Alevin thiab ntev li ntawm ib nti.
cov ntses me nyuam yaus noj dab tsi?
Cov larvae thaum ntxov ua luam dej tsis zoo, tab sis tom qab theem larvae ua luam dej zoo dua thiab tsis ua planktonic thaum lawv loj hlob mus rau cov menyuam yaus. Ntses larvae yog ib feem ntawm lub zooplankton uas noj me me plankton, thaum ntses qe nqa lawv cov khoom noj. Ob lub qe thiab larvae lawv tus kheej noj los ntawm cov tsiaj loj.
Pob salmon noj crabs?
Kab qus noj ntau krill, crabs, thiab cws. Cov plhaub ntses no muaj cov carotenoid hu ua astaxanthin, uas ua rau cov ntses liab lawv cov xim daj-xim liab.
