2024 Tus sau: Gavin MacAdam | [email protected]. Kawg hloov kho: 2023-12-16 13:40
Currant goldfish, uas tseem hu ua nqaim-bodied currant goldfish, tsis yog averse rau noj ntawm cov txiv hmab txiv ntoo. Tsis tsuas yog liab thiab dub currants muaj nyob rau hauv siab, tab sis kuj gooseberries. Tua cuam tshuam los ntawm kab no pom tau tias poob qis hauv kev loj hlob, thiab cov nplooj tawg qeeb heev nrog qhov pib ntawm lub caij nplooj ntoo hlav lossis tsis tawg txhua. Thaum xub thawj, cov lus qhia ntawm cov tua tuag tawm, thiab me ntsis tom qab lawv lawv tus kheej qhuav tawm, uas tsis tuaj yeem tab sis cuam tshuam rau kev sau qoob loo ntawm cov txiv ntoo
Ntsib kab tsuag
Currant goldfish yog kab uas muaj cov xim zoo nkauj thiab cov xim ntsuab, qhov ntev li ntawm rau rau rau cuaj millimetres. Lub nqaim, lub cev ntev ntawm cov kab mob voracious tau nruab nrog elytra me me, sib npaug ntawm cov lus qhia thiab nqaim arcuate hauv nws qhov thib peb.
Txoj kab uas hla ntawm cov qe sib npaug ntawm currant goldfish, npog nrog cov tawv tawv tawv, mus txog ib millimeter. Tam sim ntawd tom qab tso, lawv muaj xim daj-txiv kab ntxwv, thiab tom qab qee lub sijhawm lawv tau txais cov xim daj-xim av. Qhov ntev ntawm cov kab dawb tsis muaj ceg daj yog qhov nruab nrab 18 - 20 hli. Lawv lub cev ntu yog qhov sib txawv pom tseeb thiab ua kom me me, thiab ntawm cov lus qhia ntawm lub cev koj tuaj yeem pom ob txoj kev sib tsoo-zoo li luv chitinous cov txheej txheem. Thiab menyuam dev ntawm cov kab mob cab no dawb nrog lub ntsej muag daj daj.
Overwintering ntawm larvae ntawm ntau lub hnub nyoog tshwm sim sab hauv puas tua, feem ntau yog hauv lawv qhov qis. Thaum lub caij nplooj ntoo hlav, sai li sai tau qhov nruab nrab qhov kub thiab txias txhua hnub tshaj 8 degrees, lawv pib pub mis. Thiab lawv cov menyuam kawm ntawv thaum kawg ntawm lub Plaub Hlis-Tsib Hlis kuj tseem nyob hauv cov tua uas cuam tshuam los ntawm lawv cov haujlwm muaj zog. Ntxiv mus, lub sijhawm menyuam yaus ntawm cov cab no siv sijhawm li ib thiab ib nrab hlis. Nws yog qhov ruaj khov heev vim tias muaj pes tsawg tus pej xeem ntawm currant goldfish sib txawv hauv hnub nyoog. Cov menyuam kawm ntawv coob ntawm cov neeg nyiam cov txiv hmab txiv ntoo ntoo tau pom ib txhij nrog kev pib tsim ntawm currant zes qe menyuam. Pupae feem ntau siv sijhawm 20 txog 28 hnub los txhim kho.
Cov kab uas tau tsim tawm tau tawm, zom los ntawm lub davhlau qhov. Lawv pib ya thaum kawg ntawm lub Tsib Hlis, thiab lawv lub xyoo kav mus txog thaum kawg ntawm lub caij ntuj sov. Rau 8 - 14 hnub, lawv ntxiv rau ntawm nplooj ntsuab.
Hauv huab cua tshav ntuj, cov kab tsis zoo yog qhov tshwj xeeb. Tab sis nyob rau hnub huab, nrog rau yav tsaus ntuj thiab thaum sawv ntxov, lawv tsis muaj zog thiab nyob sab hauv cov ntoo ntawm cov ntoo txiv ntoo.
Lub qe ntawm tus poj niam currant goldfish tau tso rau feem ntau ib zaug thiab feem ntau yog tua ob lossis peb xyoos. Tom qab ntawd cov qe tso rau sab saum toj tau npog nrog cov hnoos qeev ntau, uas, tawv dua qhov nrawm, tsim cov ntawv me me oval. Feem ntau, fecundity ntawm poj niam yog li 30 - 40 qe. Thiab lub sijhawm ntawm kev txhim kho embryonic ntawm cov teeb meem currant goldfish yog los ntawm kaum tsib mus rau peb caug hnub.
Kev txav los ntawm cov cab los ntawm kev txav zoo sib xws ntawm kab ntsig ntawm cov iav currant yog qhov txawv los ntawm qhov tseeb tias lawv hnyav hnyav nrog cov hmoov av me me. Rau caum hnub tom qab lawv rov txhawb siab, ze rau lub caij nplooj zeeg, cov kab menyuam pib zom los ntawm ntau txoj kab, qhov ntev uas yog los ntawm nees nkaum mus rau plaub caug centimeters. Hauv cov ntawv tsim, cov kab ntawm cov hnub nyoog sib txawv tom qab lub caij ntuj sov. Rau ib xyoos, currant goldfish muab tsuas yog ib tiam.
Yuav ua li cas sib ntaus
Qhov kub hauv lub caij ntuj no qis, nrog rau qhov tsis muaj cov daus npog, yog qhov tsis txaus ntseeg rau kev txhim kho ib txwm ntawm cov kab ntsig tsis zoo. Thiab yog tias lub sijhawm ntawm kev tso qe, ntxiv rau lub caij ntuj sov loj heev ntawm kab, tam sim ntawd ua ke nrog huab cua txias thiab los nag hnyav heev, tom qab ntawd cov kab yuav zoo li tsis xis nyob.
Hauv cov menyuam kab ntawm currant goldfish, tahini yoov, braconids thiab ichneumonids nrog chalcids feem ntau yog kab mob.
Hauv lub caij nplooj zeeg thiab caij nplooj ntoo hlav, tua cuam tshuam los ntawm kab tsuag yuav tsum tau txiav ntawm lub hauv paus thiab hlawv. Yog tias muaj ob lossis peb kab ntawm ib tsob ntoo, thiab tseem yog tus naj npawb ntawm cov tua puas tau mus txog tsib feem pua ntawm cov ntoo qub thiab peb feem pua ntawm cov menyuam yaus, nws raug nquahu kom pib kho nrog tshuaj tua kab.
Tsis tas li nyob rau lub caij nplooj ntoo hlav, thaum cov kab pib pib pub ntxiv, lawv tau txau nrog cov tshuaj lom hauv plab: arsenic calcium (0.2%; rau kaum liv dej, 40 g ntawm txiv qaub thiab 20 g tshuaj lom) lossis Parisian zaub ntsuab (0.15%; rau kaum liv dej - 30 g ntawm txiv qaub thiab 15 g ntawm tshuaj lom). Koj tseem tuaj yeem ua paj ntoo nrog 5, 5% DDT hmoov av.
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