Crayfish yug hauv lub pas dej

2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28

Ib qho ntawm kev nthuav dav thiab muaj txiaj ntsig ntawm kev lag luam yog crayfish yug me nyuam. Ntxiv mus, lawv tsis koom nrog cov liaj teb loj, tab sis, raws li txoj cai, cov lag luam me hauv tsev. Nrog rau tag nrho cov txiaj ntsig zoo tsim rau kev yug me nyuam, kev loj hlob ntawm crayfish thiab lawv cov kev siv ntxiv, nws muaj peev xwm tsis tsuas yog rov qab koj cov nqi hauv ib lub caij, tab sis kuj nyob rau hauv ib qho zoo ntxiv. Nyob rau hauv xws li ib tug nthuav thiab profitable lag luam, koj yuav khwv tau zoo heev. Hauv tsab xov xwm no, peb yuav txiav txim siab qee yam ntawm cov hauv paus thiab cov khoom ntawm cov txheej txheem.

Ua ntej koj yuav tsum paub tias lub koom haum nws tus kheej, uas yuav tsum tau yug me nyuam crayfish, nyob rau hauv cov nqe lus ntawm cov nyiaj yuav yog hais txog 200,000 rubles. Nws yuav tsum raug sau tseg tam sim ntawd tias qhov no yog qhov siab tshaj plaws rau kev tsim kom zoo ntawm qhov chaw nyob thiab kev saib xyuas ntawm cov tsiaj no.

Thawj theem yuav khawb ib lub hauv paus rau lub pas dej thiab nws txoj kev npaj ntxiv yog tias qhov ua tiav tsis muaj. Tom qab khawb lub hauv paus pit, uas, los ntawm txoj kev, yuav tsum nyiam nyob rau hauv ib cheeb tsam ntawm 30-60 sq.m. (ntau tshaj qhov ua tau) thiab muaj qhov tob ntawm 1-3 (txog 6) meters, koj yuav tsum tau mus rau qhov kev npaj ncaj qha ntawm kev nyem ntawm nws cov ntug dej hiav txwv thiab hauv qab. Lub tom kawg yog qhov zoo dua los npog nrog lub pob zeb thiab me ntsissprinkle nrog dej xuab zeb, uas yuav txhim kho tej yam kev mob rau noj, mating thiab dav dav ntawm crayfish. Kev tu crayfish hauv lub pas dej kuj yuav tsum muaj av nplaum lossis cov tsev txhab nyiaj zoo sib xws. Qhov no yog qhov tsim nyog rau kev tsim cov tsiaj burrows thiab luam tawm. Raws li lwm txoj hauv kev av nplaum, lub hollow cib tuaj yeem siv los ua cov ntug dej hiav txwv, nrog cov qhov npaj rau qhov. Nws yog qhov zoo dua kom tsis muaj ib qho, tab sis ob peb (3-4) lub pas dej crayfish, tiv thaiv koj tus kheej tawm tsam qhov tshwm sim ntawm huab cua lossis lwm yam, nrog rau vim li cas nyiaj txiag.

Crayfish yug me nyuam kuj xav tau ncaj qha tso lawv cov tib neeg mus rau hauv lub pas dej kom rov ua dua tshiab. Rau ib lub pas dej tau piav qhia, yuav tsum muaj txog 150-200 tus qauv. Qhov tseem ceeb tshaj plaws yog xaiv cov neeg zoo rau kev sib nrauj. Nws tseem yuav tsum tau nco ntsoov tias nyob rau hauv ib lub caij, ib tug txiv neej crayfish tuaj yeem fertilize mus txog 4 tus poj niam. Lub tom kawg tsim ntau lub qe, tab sis txog 30 tus tub ntxhais hluas crayfish tuaj tawm ntawm ib tug zoo brood ntawm ib tug poj niam. Yog li peb muaj tias qhov kwv yees nce hauv tsev neeg mob qog noj ntshav hauv lub pas dej yog, raws li kev kwv yees kwv yees, ntau dua 4500 ib xyoos (raws li 160 tus poj niam thiab 40 txiv neej). Yog li, kev lag luam yug me nyuam ntawm crayfish hauv tsev yog qhov tsim tau zoo.

Tau pom qhov kev npaj ntawm qhov chaw nyob, koj yuav tsum nco ntsoov qee cov ntsiab lus tseem ceeb ntawm kev lag luam no. Peb yuav tsum tsis txhob hnov qab tias kev cog qoob loo ntawm crayfish tseem xav tau qee qhov kev saib xyuas ntawm lub reservoir thiab noj kom zoo ntawm arthropods. Raws li kev saib xyuas dej: nws yuav tsum tau hloov li 20-30% ntawm nws cov feem pua tom qab 2-3 lub lis piam. Xws li ib feem me meKev hloov pauv yog qhov microclimate ntawm lub reservoir yog qhov yooj yim heev, thiab kev hloov pauv ntawm cov dej tseem ceeb ua rau muaj kev ua txhaum ntawm kev ua neej nyob ntawm crayfish, thiab yog li ntawd rau lawv txoj kev tuag.

Kev xaiv zaub mov rau crayfish yuav tsis yooj yim tshwj xeeb, tab sis nws yuav tsum tsis tu ncua (ib zaug txhua ob hnub) txhawm rau kom tsis txhob mob qog noj ntshav, uas feem ntau yog cov arthropods. Nyob rau hauv cov xwm txheej zoo thiab cov khoom noj muaj txiaj ntsig, tus neeg mob qog noj ntshav nce mus txog kev lag luam loj hauv 3-5 xyoos. Pub rau lawv ncaj qha, nyiam dua nrog cov kab hauv av, yog pheej yig thiab yuav tsis txhaws lub pas dej. Tab sis ua zaub mov rau crayfish, koj tuaj yeem siv nqaij, qhob cij, larvae, ntses, thiab lwm yam.

Hais txog lub sijhawm ntawm cov qog nqaij hlav qog noj ntshav, qhov no yog kwv yees li Lub Ob Hlis-Lub Peb Hlis lossis Lub Kaum Hli-Kaum Ib Hlis, nyob ntawm qhov chaw nyob ntawm qhov chaw ntawm lub pas dej, huab cua thiab lwm yam xwm txheej.

Yog li, kev yug me nyuam crayfish yog ib lub lag luam muaj txiaj ntsig zoo. Tab sis nws tsim nyog saib xyuas ua ntej ntawm kev muag khoom thiab sau cov ntawv tso cai tsim nyog (yog tias muaj) los ntawm cov tub ceev xwm muaj peev xwm.