Txhua tus qauv ntawm lub tub yees niaj hnub no muaj phau ntawv qhia lossis kev ua haujlwm tsis siv neeg. Cov tub yees feem ntau yog tsim los kom cov neeg siv khoom tuaj yeem tswj hwm nws tus kheej thiab xaiv hom kev pom zoo. Nws yog nyob rau ntawm qhov kev xaiv no tias kev nyab xeeb ntawm cov khoom noj khoom haus, lawv lub neej txee thiab tus nqi hluav taws xob siv nyob ntawm seb. Nws tsis pub leejtwg paub tias tus nqi hluav taws xob siv ncaj qha yog nyob ntawm qhov ntsuas kub npaum li cas hauv lub tub yees. Niaj hnub no, Class A tub yees muaj cov nqi hluav taws xob uas pheej yig tshaj plaws ntawm txhua hom. Tab sis rau qhov kom zoo dua, koj yuav tau them ntau dua tus nqi nruab nrab ntawm kwv yees li 20-25 feem pua.
Ntau tus neeg, thaum hloov tus tswj hwm mus rau hom kev lag luam tshaj plaws, tsis xav txog seb nws puas tsim nyog rau zaub mov. Txuag nyiaj rauhluav taws xob, txi cov khoom noj uas lwj tsis yog qhov zoo tshaj plaws "kev cia siab" rau ib tug niam tsev. Cov lus nug tshwm sim: "Qhov kub yuav tsum nyob hauv lub tub yees kom cov zaub mov hauv nws tsis lwj?".
Yog tias koj muaj iav txee rau hauv koj lub tub yees hauv tsev, tsis txhob muab zaub mov tso rau qhov twg yog tias koj xav txuag nyiaj. Tsis txhob hnov qab tias nyob rau hauv ib chav nrog xws li rhawv muaj ob peb qhov chaw kub, nyob ntawm qhov siab ntawm qhov chaw. Feem ntau, cov tuam txhab tsim kev ntseeg tau muab cov lus qhia me me rau lub tub yees nrog cov lus pom zoo ntawm qhov chaw uas nws yog qhov zoo tshaj plaws los tso cov khoom tshwj xeeb.
Lub tub yees yuav tsum kub li cas?
Txhua lub tub yees siv tau zoo ib yam tsim thiab ua haujlwm zoo ib yam - khov zaub mov mus rau qee qib. Yog li ntawd, tsis muaj kev txwv rau qhov kub thiab txias rau ib tus neeg lub npe: lawv yog tib yam rau ob qho tib si hauv tsev thiab txawv teb chaws. Zoo, tam sim no txog dab tsi kub yuav tsum nyob rau hauv lub tub yees thiab lub freezer. Ua ntej, cia peb tham nrog lub freezers. Cov tshuab hluav taws xob niaj hnub no muaj peev xwm ua kom sov lawv qhov kub thiab txias kom qis dua 30 degrees Celsius (hu ua qhov sib sib zog nqus khov). Rau cov hom phiaj hauv tsev, qhov khov no yog siv tsis tau. Tab sis cov chaw tsim khoom lag luam tsuas yog siv cov tshuab hluav taws xob muaj zog xwb. Lub tub yees rau lub khw kuj muaj cov khoom zoo li no. Rau lub tsev, qhov kub ntawm -20 txog -25 degrees Celsius yog txaus. Cov zaub mov tuaj yeem khaws cia tib yam lintawm -25 degrees, thiab -18 degrees. Tab sis tib lub sij hawm, koj yuav tsum tsis txhob teem lub regulator hauv qab 15 degrees. Txwv tsis pub, koj cov nqaij khov los yog ntses yuav ua rau tsis zoo.
Raws li rau lub khw txias, qhov twg feem ntau ntawm peb cov khoom nyob, ntawm no qhov ntsuas kub tsis meej. Cov tub yees kim kim muaj kev ua haujlwm ntawm kev kho qhov kub thiab txias hauv txhua chav sib cais, nyob rau hauv rooj plaub no koj tuaj yeem khaws cia yuav luag txhua yam khoom lag luam hauv khw muag khoom. Hmoov tsis zoo, cov qauv pheej yig tsis muaj qhov ua haujlwm zoo li no: txhua yam khoom noj yog khaws cia rau qhov kub thiab txias. Lub ntsiab cia ntau yam txawv ntawm 3 mus rau 5 degrees saum toj no xoom. Yog tias koj tab tom yuav lub tub yees tshiab thiab tsis paub tias yuav teeb tsa li cas, ua ntej kho nws ntawm +4 degrees Celsius. Tom qab ntawd, siv txoj kev sim (tsis li ntawd nws tsis ua haujlwm: txhua tsev neeg muaj nws tus kheej noj zaub mov), teeb tsa qhov kub thiab txias. Yog tias cov zaub mov khov me ntsis, sim nce qib; yog tias nws spoils, txo nws raws li. Yog li, peb xam seb qhov ntsuas kub yuav tsum nyob hauv lub tub yees.
