Yuav Ua Li Cas Pub Crayfish

Cov txheej txheem:

Yuav Ua Li Cas Pub Crayfish
Yuav Ua Li Cas Pub Crayfish

Video: Yuav Ua Li Cas Pub Crayfish

Video: Yuav Ua Li Cas Pub Crayfish
Video: yuav ua li cas 2024, Kaum ib hlis
Anonim

Cov khoom lag luam txhim kho ntawm cov xaum xaum muaj kev cuam tshuam zoo nrog cov khoom noj ntawm cov ntim dej. Muab cov zaub mov txaus ua rau nws muaj peev xwm ua kom cov neeg noj qab nyob zoo ntawm cov crayfish muaj kev lag luam zoo.

Yuav ua li cas pub crayfish
Yuav ua li cas pub crayfish

Cov Lus Qhia

Kauj ruam 1

Cov qog nqaij hlav yog omnivores. Lawv pub tsiaj rau cog thiab tsiaj ntxiv. Thawj hom khoom noj muaj xws li cov nroj tsuag hauv dej thiab semi-dej. Cov no yog elodea, hornwort, charovye algae. Cov nplooj thiab cov kab ntawm cov nroj tsuag no muaj cov kua qaub ntau. Crayfish yog nyiam los ntawm rhizomes ntawm reeds, sedges thiab reeds. Cov tsiaj cov nqaij ua rau lub plhaw muaj ntau yam kab, tadpoles, dej nab thiab qwj. Cov ntses me me tuaj yeem pom nyob hauv cov khoom noj ntawm crayfish. Cov zaub mov noj txhua hnub ntawm tus mob qog nce mus txog 2% ntawm qhov hnyav ntawm ib tus neeg.

Kauj ruam 2

Tus neeg laus siv tau xaum ntses yuav tsum tau noj tsuas yog thaum caij nplooj ntoo hlav, lub caij ntuj sov thiab caij nplooj zeeg. Nyob rau lub caij ntuj no, tus xaum ntses yuav tsum muaj zaub mov tsawg heev, vim tias lawv tsis loj hlob thaum lub sijhawm no. Yog tias koj tseem pub zaub mov rau koj cov xaum ntses mus ncig, cov zaub mov tsis muaj khib nyiab yuav ua rau dej ntws tsis zoo. Cov dej kub thaum lub sijhawm pub mis yuav tsum siab dua 7 ° C. Nws yog qhov zoo tshaj plaws los pub lub crayfish thaum yav tsaus ntuj. Qhov no yog vim lub neej nocturnal ntawm tus tsiaj. Cov zaub mov pov tseg tuaj yeem siv ua khoom noj pub. Muab cov xaum qhuav ua nqaij noj, qhob cij, ntses, zaub thiab lwm yam nplej. Cov zaub mov kis ntawm cov tais tshwj xeeb. Qhov no ua rau lub pas dej huv. Cov tais muaj nruab nrog ob tog me me. Cov ntim puv ntim tau qis qis hauv qab dej thiab tsau rau hauv qab.

Kauj ruam 3

Kev noj zaub mov ntawm crayfish larvae thiab cov neeg laus txawv hauv muaj pes tsawg leeg. Cov kua kab yog pub nrog zooplankton. Me me ua cov kab mob pauv mus rau trout pub. Nqaij nqaij thiab ntses yog maj mam qhia rau hauv cov khoom noj. Nco ntsoov soj ntsuam cov khoom noj ntau npaum li cas. Nws yuav tsum txaus rau txhua tus neeg. Tsuag plab plab hnyuv tuaj yeem sib noj tau. Kev noj zaub mov ntawm cov menyuam kab uas loj hlob mus txog 2 cm yog hloov pauv nrog cov ntsiab lus algae.

Kauj ruam 4

Cov neeg laus qog nqaij hlav tsis tseg sib tua ib zaug. Txhawm rau zam qhov no, koj yuav tsum ntxiv alder, qos thiab nettle nplooj rau koj cov zaub mov. Nws yog undesirable muab ntses tshiab. Khees xawj tuaj yeem vie tau rau hom zaub mov no. Hauv kev ntaus rog zoo li no, lawv poob lawv qhov kev nthuav qhia.

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