Thaum xaiv "cov" nyob rau hauv lawv cov thoob dej yug ntses, muaj coob tus neeg nres ntawm cov ntses ntawm hom tsiaj zebrafish. Yog vim li cas yog tias cov ntses no yog cov neeg tsis txaus ntseeg hauv lawv txoj kev tu ncua, muaj qhov tsis tsim nyog rau zaub mov noj thiab mus tau zoo nrog cov neeg nyob sib ze. Tsis tas li ntawd, cov zebrafish yog txoj kev yooj yim ntawm kev luam, yog li ntawd rau nws lub koom haum koj yuav muaj txaus kev paub hauv cov dej haus.
Luam cov zebrafish hauv tsev
Lub qe ntawm no hom ntses nyob rau hauv cov thoob dej yug ntses yog yooj yim heev. Ua ntej koj yuav tsum xaiv ib tug poj niam thiab ob peb tug txiv neej. Yuav kom paub qhov txawv lawv yog tsis nyuaj - tus txiv neej tau pronounced daj-ntsuab strips nyob rau hauv lub cev thiab ib tug tsawg dua plab mog. Qhov kev npaj ntawm cov poj niam rau cov ntses nteg yuav tsum tau hais los ntawm ib lub thickened plab mog nyob rau hauv lub cheeb tsam ntawm qhov quav ntses.
Tseem ceeb: ua ntej spawning cov neeg uas raug xaiv yuav tsum tau muab pub rau ntau, nws yog ib qhov tsim nyog los siv kev txhim kho.
Yog li, yuav ua li cas npaj cov qoob loo zebrafish? Yuav pib nrog, koj yuav tsum tau nruab ib lub thoob dej yug ntses. Ntawm chav kawm, qhov yug me nyuam ntawm zebrafish kuj pib nyob rau hauv ib qho ntau thoob dej yug ntses, tab sis nws muaj qhov siab yuav tau tias caviar yuav tau noj los ntawm lwm cov ntses.
Hauv cov taub kua nplaum, cov dej yuav tsum tau khaws cia tshiab thiab tshiab. Nws kub yuav tsum yog 24-26 degrees. Lub txheej ntawm dej yuav tsum tshaj cov nroj tsuag ntawm kwv yees li 5-6 cm. Qhov no muaj peev xwm yuav tsum tau muab tso rau ntawm qhov rais illuminated sill thiab muab ntses rau hauv nws thaum yav tsaus ntuj. Thaum ntxov thaum sawv ntxov, thaum lub hnub lub hnub yuav poob rau hauv thoob dej yug ntses, qhov muag yuav pib. Yog hais tias nyob rau thawj hnub ntawm spawning tsis tshwm sim, ces cov neeg tsim tawm yuav tsum tau nyob hauv cov thoob dej yug ntses rau lwm hnub, pub lawv ua ntej nrog npauj npaim. Yog hais tias hnub tom qab qhov teeb meem zoo sib xws, ces cov txiv neej yuav tsum raug xa tawm ntawm cov poj niam mus rau 4 hnub thiab muab rov qab rau hauv qoob loo.
Thaum cov qaub ncaug lawm, nws yuav tsum ntws cov ntses, thiab hloov cov dej nrog tas mus li, tib yam kub thiab qhov muab sib xyaw.
Txog li 3-5 hnub tom qab cov qaub ncaug, lub zebrafish Fry yuav tshwm. Thaum xub thawj lawv yuav zoo li cov hlua taub hau nrog cov tawv taub hau, tab sis tom qab ob peb hnub lub kib pib ua luam dej ntawm lawv tus kheej. Txij ntawm no mus lawv yuav tsum muab rotifers, infusorians thiab nauplii artemia. Yog tias tsis muaj txoj hau kev los tuav ntawm cov ntaub ntawv pub , ces siv ib lub lauj kaub tais daj thiab lub qe looj qe nrog dej.