Kev txhawb nqa

Nqaij qaib ua liaj ua teb yog ib qho kev lag luam tseem ceeb thoob ntiaj teb, muab cov protein ntau los ntawm nqaij thiab qe. Txawm li cas los xij, cov neeg coob coob hauv cov tsev qaib ua rau cov cheeb tsam no ua rau muaj kev sib kis sai sai. Kev ua haujlwm robus...

Porcine Reproductive and Respiratory Syndrome (PRRS) yog ib qho kab mob sib kis tau zoo heev uas cuam tshuam rau npua, ua rau muaj kev poob nyiaj txiag loj hauv kev ua liaj ua teb npua thoob ntiaj teb. Kev ruaj ntseg ntawm PRRS nyob rau hauv ib tug npua teb yog ib qho tseem ceeb ntawm kev tswj thiab tswj ...

Kev hloov pauv hauv pas dej hauv qab cov xwm txheej thoob plaws hauv Aquaculture Stages Nws yog qhov paub zoo tias kev tswj xyuas dej zoo yog qhov tseem ceeb hauv kev ua dej hauv av, thiab cov dej zoo muaj feem cuam tshuam nrog cov xwm txheej ntawm lub pas dej hauv qab. Lub pas dej zoo hauv qab ua kom yooj yim rau kev txhim kho ...

Disinfection Techniques for Aquaculture Water Disinfection techniques for aquaculture water feem ntau muaj xws li ob peb txoj kev xws li ultraviolet (UV) sterilization, ozone disinfection, thiab tshuaj tua kab mob. Hnub no, peb yuav qhia UV thiab ozone li ob m...

Cov kab mob ntses ntau hauv cov pas dej thiab lawv kev tiv thaiv: Kab mob kab mob thiab kev tswj hwm Cov kab mob kab mob hauv cov ntses muaj xws li cov kab mob septicemia, kab mob kab mob hauv cov kab mob, kab mob enteritis, kab mob liab, kab mob fin rot, kab mob dawb nodules ...

Tus npua lub cev kub feem ntau yog hais txog qhov ntsuas qhov quav. Lub cev kub ntawm npua yog li ntawm 38 ° C txog 39.5 ° C. Cov yam ntxwv xws li qhov sib txawv ntawm tus kheej, hnub nyoog, theem kev ua haujlwm, cov yam ntxwv ntawm lub cev, qhov kub thiab txias ntawm ib puag ncig, lub caij ntuj sov hloov pauv, lub caij, lub sij hawm ntsuas, hom ntsuas kub, thiab txoj kev siv tuaj yeem cuam tshuam rau npua lub cev kub.

Hom ntses kab mob hauv cov pas dej thiab lawv txoj kev tiv thaiv: Kab mob kis kab mob thiab tiv thaiv lawv

Cov kab mob ntses feem ntau tuaj yeem muab faib ua kab mob, kab mob kab mob, kab mob fungal, thiab kab mob parasitic. Kev kuaj mob thiab kho cov kab mob ntses yuav tsum nruj me ntsis ua raws li cov lus qhia kho mob, ua tib zoo saib xyuas cov tshuaj noj tshuaj yam tsis muaj kev txiav txim siab nce lossis txo qis.

Cov kab mob sib kis muaj xws li kab mob hemorrhagic ntawm nyom carp, hematopoietic kab mob necrosis ntawm crucian carp, herpesviral dermatitis ntawm carp, caij nplooj ntoos hlav viremia ntawm carp, kis kab mob pancreatic necrosis, kis kab mob hematopoietic nqaij necrosis, thiab viral hemorrhagic septicemia.

Rau aquaculture, tswj cov pa phem hauv cov pas dej yug me nyuam yog ib qho kev txhawj xeeb tseem ceeb. Feem ntau cov pa phem hauv dej aquaculture muaj xws li cov tshuaj nitrogenous thiab phosphorus compounds. Nitrogenous tshuaj suav nrog ammonia nitrogen, nitrite nitrogen, nitrate nitrogen, yaj organic nitrogen, thiab lwm yam. Phosphorus tebchaw muaj xws li reactive phosphates thiab organic phosphorus. Kab lus no tshawb txog cov pa phem hauv cov dej hauv dej hiav txwv thiab lawv cov kev cuam tshuam rau cov tsiaj hauv dej. Cia peb xub saib ib daim duab yooj yim kom nco tau yooj yim dua thiab nkag siab.

Vim li cas thiaj ua tiav kev thauj mus los biosecurity nyuaj heev? Hauv tsab xov xwm no, peb yuav qhia txog ntau yam kev sib tw uas yuav tsum tau kov yeej kom ua tiav biosecurity siab dua hauv kev thauj cov tsheb rau npua.