Cov qoob loo cog qoob loo yog cov thoob plaws cov neeg ua liaj ua teb. Ceev ceev nce, unpretentiousness, muaj peev xwm muab tsim hauv tsev, maj mam noj zaub nrog zoo saj - tag nrho qhov no zoo nkaus li ib qho zoo dua. Txawm li cas los xij, ua ntej koj coj mus ua lag luam no, koj yuav tsum siv nyiaj rau hauv nws cov nta thiab cov teeb meem uas yuav tshwm sim.
Txheem:
- Yug "heavyweights"
- Loj-mis dawb
- Moscow Bronze
- Highbreed converter
- BIG-6
- BJT-8
- Tsim nyog rau tej yam kev mob rau kev ua kom broiler turkeys
- Kev tsim nyog rau chav
- Yuav ua li cas yuav tsum tau kho kom muaj qaib ntxhw
- Paddock
- Yuav ua li cas pub broiler turkeys nyob rau tom tsev
- Cov Tub Hluas
- Tus neeg laus noog
- Nta ntawm cov hlwv broilers
- Tej teeb meem nyob rau hauv loj hlob thiab kab mob turkeys
- Kev txheeb xyuas los ntawm lub network
Broiler qaib ntxhw
Qhov no yug yog bred raws li ib tug ntawm hybrid hla. Hom nqaij qaib no muaj ponderous lub cev muaj zog, muaj zog thiab muaj hwjchim muaj hwjchim nrog lub pob liab liab. Cov tis muaj peev xwm tsim tau, nrog lawv cov kev pabcuam, cov qaib ntxhw muaj peev xwm ya hla lub laj kab uas peb-metre siab, thiab ua tsaug rau nws cov ceg tawv uas nws tau khiav ntawm kev khiav ceev ntawm 50 km / h.
Qhov zoo ntawm kev loj hlob cov noog no muaj xws li nram no:
- Kev noj qab haus huv purity ntawm cov nqaij hauv tsev.
- Khoom noj khoom haus - ib qho kev nplua nuj ntawm cov khoom muaj nqis thiab cov vitamins nyob rau hauv nws thiab, tib lub sijhawm, tsawg kawg ntawm cov roj.
- Great zaub mov muaj nqis thiab zoo saj ntawm qaib cov txwv qe.
- Thaum yug me nyuam muag - ceev payback: qhov ntau dua cov nqaij vim qhov tseeb tias nws yog xam tsawg.
- Wasteless yug me nyuam thiab kev muag khoom. Nyob rau hauv qhov tseeb, txhua yam muaj peev xwm yuav muag: chicks ntawm tag nrho cov hnub nyoog, feathers, sau, nqaij, qe.
- Qhov xav tau rau tshwj xeeb tej yam kev mob rau cov txij nkawm ntawm cov tub ntxhais hluas poultry.
- Kev muaj peev xwm loj tshaj plaws hauv lub neej no.
- Cov nqi ntau dua thaum siv lub vaj tsev - ib tug noog loj yuav tsum muaj chaw ntau dua.
- Separate cia ntawm cov tub ntxhais hluas noog deb ntawm lwm yam nqaij qaib vim lub zoo fearfulness ntawm cov tub ntxhais hluas poults thiab tau cov kab mob.
- Ntau noj thiab qhov xav tau los tswj nws qhov tsis zoo.
- Vim hais tias ntawm ib tug nyiam ntawm turkeys mus rau rog, ib qho nce nqi ntawm greenery yog yuav tsum tau nyob rau hauv lawv cov noj haus.
- Lig kev loj hlob kev sib deev - feem ntau yog los ntawm 9 lub hlis.
Koj puas paub? Qaib ntxhw yog qhov loj tshaj plaws ntawm cov noog ntawm qhov kev txiav txim ntawm chickens. Ntau tshaj lawv xwb ostriches.
Yug "heavyweights"
Cov "hnyav hnyav hnyav" muaj xws li qaib cov txwv, sai sai rau qhov nyhav:
- nyob rau hauv 16 lub lim piam - los ntawm 18 kg;
- rau 28 lub lim piam - qhov siab tshaj plaws ntawm 26 kg.
Loj-mis dawb
Qhov no yug yog bred nyob rau hauv lub xeem tiam nyob rau hauv North America. Lub cev yog npog nrog cov plaub dawb, cov "hneev" ntawm dub plaub yog kom pom tseeb ntawm lub hauv siab. Lub cev loj, dawb. Qhov hnyav tuaj yeem ncav 25 kg. Unpretentious, zoo haum rau loj hlob nyob rau hauv hlwb.
Rush los ntawm cuaj lub hlis. Kev tso ntawm cov qe yuav siv ob peb lub hlis; thaum lub sij hawm tso, txog ib puas lub qe yog pw, 90% ntawm lawv yog fertilized. Rau cov khoom noj - picky, pub lawv xav tau tsuas yog zoo zoo, nrog lub obligatory tseem ceeb additives.
Moscow Bronze
Nqaij nyob rau hauv nruab nrab ntawm lub xeem xyoo los ntawm hla lub zos bronze turkeys nrog bronze dav hauv siab. Masonry - kwv yees li ntawm 90 qe, uas tshaj 90% yog fertilized. Cov txiv neej fatten hnyav txog li 12 kg, pojniam - txog li 7 kg.
Highbreed converter
Turkeys ntawm no yug raug bred nyob rau hauv Canada. Lawv qhov zoo: qhov zoo nkauj tsos, zoo heev thiab theem siab ntawm kev noj nqaij. Lawv muaj ntau lub mis thiab dawb plumage. Agile thiab npag. Me me taub hau, muaj hwjchim loj muaj lub paj liab loj hlob-qhws ntsej.
Khiav ceev - 45 km / h, tawm qhov siab - 2 meters. Los ntawm tsib lub hlis, txiv neej kwv yees 19-22 kg, pojniam - los ntawm 9 mus rau 12 kg. Tso - rau peb lub hlis, 50 qe, tus poj niam incubates lawv txog plaub lub lis piam.
BIG-6
Cov tsiaj yug ua yog nyob rau hauv teb chaws Askiv xyoo 2007. Nws yog qhov tshwj xeeb los ntawm kev siab dua reproducibility thiab zoo tshaj plaws nqaij precocity. Lub sijhawm tuag mus txog 3 lub hlis. Txiv neej qhov hnyav tuaj yeem ua tau 30 kg. Feem ntau yog txiv neej txom nyem los ntawm 15 mus rau 17 kg, tus poj niam - 6-7 kg. Qe fertility yog li 80%.
Peb qhia koj kom paub ntau ntxiv txog cov yam ntxwv ntawm kev tu thiab yug me nyuam broiler turkeys ntawm dav-chested dawb thiab loj 6 breeds.
BJT-8
Lawv paub qhov txawv ntawm lub cev, cov ceg tawv muaj zog, liab nrog lub hwj txwv "beard" thiab lub caj dab. Plaub - tag dawb. Thaum muaj 18 lub lis piam, txiv neej muaj ib qhov hnyav ntawm 15 kg. Thaum nruab hnub, qhov hnyav nce los ntawm 110 g. Tus neeg laus muaj txiv neej muaj hnyav li ntawm 28 mus rau 30 kg, tus poj niam - 14 kg.
Qhia koj tus kheej nrog rau tus txheej txheem ntawm yug qaib cov txwv poults siv ib lub kab tsim, lub rooj rau cov qoob cog qe qaib, lub npe ntawm cov qaib cov txwv hla hla, thiab nrhiav kom paub ntau npaum li cas qaib ntxhw thiab cov laus hauv qaib hnyav, yuav ua li cas kom ua tau zoo tshaj plaws ntawm cov hiav txwv.
Tsim nyog rau tej yam kev mob rau kev ua kom broiler turkeys
Los ntawm qhov kawg ntawm thawj lub hli tom qab yug me nyuam, cov tub ntxhais hluas raug xa mus rau hauv cov nqaij mos. Nws muaj ob hom kev qhia qaib cov txwv: ntawm tes thiab dawb. Peb yuav xav txog qhov kev xaiv ntawm cov ntsiab lus hauv chav.
Nws tseem ceeb heev! Cov qaib thiab cov laus qaib cov txwv yuav tsum tau muaj cov dej haus tsis tu ncua.
Kev tsim nyog rau chav
Lub chav (cage) rau cov qoob loo zom zaws yuav tsum tau xaiv los yog nruab muaj raws li kev xam: Tsis pub ntau tshaj ob lub broilers ib square meter. Qhov ntsuas kub yuav tsum tsis txhob poob rau hauv qab 20 ° C. Lub teeb hnub yuav tsum yog 12-13 xuab moos los yog ntau dua. Yog tias tsim nyog, cov sijhawm nruab hnub siv tau ntxiv nrog rau kev teeb pom kev zoo ntxiv.
Yuav ua li cas yuav tsum tau kho kom muaj qaib ntxhw
Nws txoj haujlwm yuav tsum ua raws li cov hauv qab no:
- Kev ntseeg ntawm kev tsim kho, tiv thaiv kev nkag mus ntawm txhua yam tsiaj, tshwj xeeb tshaj yog snakes thiab tag nrho cov xaiv ntawm nas.
- Zoning qaib - nws yuav tsis pub disorientation nyob rau hauv cov noog, thiab tseem tiv thaiv kev sib tsoo ntawm cov txiv neej thiab yog li txuag tsiaj txhu.
Lub chaw yuav tsum yog:
- Txoj kev pub mov. Nws yog nruab nrog ntim rau ntau hom kev pub mis - xoob, qhuav, ntub. Qhov luaj li cas yog tsawg kawg yog lub quarter rau ib ntawm ib tus neeg. Haus dej muaj peev xwm muab tso rau hauv ntau qhov chaw los yog hauv ib txoj kab, khiav ntawm dej huv - tas li. Hauv pem teb yog npog nrog ib qho av ntim uas muaj qhov nqus dej noo uas yuav tsum tau hloov los yog nteg tshiab saum toj, qhov no yog ua kom tsis txhob kis tus kab mob.
- Roosting Lawv ua los ntawm tuab, nrog sib npaug xaus, crossmembers. Feem ntau nruab, pib ntawm 70-80 cm los ntawm hauv pem teb saum npoo nyob rau hauv daim ntawv ntawm rising rising ledges, nyob rau hauv ib lub voj voog lossis voj voog. Tshawb cov naj npawb ntawm caj dab - 45 qaib rau ib qho. Teem nyob rau hauv qhov chaw tshaj plaws uas tsis muaj teeb pom kev zoo. Hauv qab no yog qhov sib sib zog nqus ntawm chaw pw los yog tais, ua ntu zus.
- Taug kev Nws nyob ntawm nruab nrab ntawm qhov chaw pw thiab noj chaw. Nws yuav tsis tau loj heev kom nthuav cov khoom ntawm limestone raws puag ncig, zoo li chalk, mus nruab cov tshauv da dej. Nyob rau hauv no qhov chaw thaum lub sij hawm inclement huab cua tshaj plaws kev ua si ntawm turkeys yuav tshwm sim.
- Nests Txhim kho nyob rau hauv ib tug nyob ntsiag to thiab tsis los ntawm lub ces kaum. Plaub rau tsib poj niam nruab nrog ib qho chaw. Ua nyob rau hauv daim ntawv ntawm ib lub tsev nrog pitched ru tsev, ib txwm nrog ib tug me ntsis siab tshaj qhov theem ntawm lub zes thiab qhov loj ntawm qaib cov txwv. Txuag du lug siv thaum pw.
- Seem rau broilers ntawm txawv hnub nyoog. Thawj thawj zaug, cov tub ntxhais hluas lossis cov txhoj puab heev tshaj plaws yog muab tso rau hauv.
Nws tseem ceeb heev! Kev xuab zeb thiab shavings raug txwv tsis pub siv los ua chaw pw thaum tuav qaib cov txwvbroilers - lawv tuaj yeem nqa cov ntaub ntawv no rau khoom noj.
Paddock
Qhov hom ntawm taug kev nyob rau hauv cov huab cua yog heev tseem ceeb rau broiler turkeys. Txawm li cas los, vim yog lub peculiarities ntawm cov noog, qhov chaw rau lawv muaj nyob rau hauv cov huab cua yuav tsum tsim nyog kho:
- Lub tsev kawm ntawv yuav tsum tau dav (qhov ntau tshaj - qhov zoo dua).
- Siab (tsis pub tsawg tshaj peb meters) fencing.
- Toj roob Raws li kev tiv thaiv ntawm lub hnub thiab nag, nrog ib tug tsawg laj kab - ib qho thaiv thaum sim mus rau kev khiav ib tug noog.
- Nws yog ntshaw tias thaj av yog cog nrog cov nyom grasses (ib los yog perennial) - qhov no yuav txhawb cov khoom noj qaib cov txwv nrog cov nqaij thiab cov zaub ntsuab tshiab.
- Thaum lub sij hawm sov so, cov khoom yuav tsum tau pub mis rau troughs, thiab cov neeg haus cawv.
Yees duab: qaib ntxhw paddock
Yuav ua li cas pub broiler turkeys nyob rau tom tsev
Pub noj yog ib qho teeb meem tseem ceeb heev, vim hais tias, ua ntej ntawm tag nrho cov, cov txheej ntawm qhov hnyav los ntawm cov noog nyob ntawm nws. Hauv cov neeg laus hluas thiab cov neeg laus, kev noj haus yog me ntsis txawv. Xav txog qhov no.
Cov Tub Hluas
Nws noj pib tsis pub dhau 20 teev los ntawm lub caij yug. Nws yuav tsum tau sau tseg tias qhov txav ze thiab kev txhawj siab ntawm cov tub ntxhais hluas vim tshaib plab yog tsis tsim nyog. Thawj lub lim tiam, nws tau noj 9 zaug ib hnub twg. Nyob rau hauv lub thib ob - tsib los yog rau lub sij hawm.
Los ntawm xya peb hnub noj, lawv tsim peb mus rau plaub zaug. Pib ntawm plaub, qhov kev loj hlob ntawm cov menyuam yaus yog xa mus rau kev pub mis rau cov neeg laus cov noog. Pub cov me nyuam qaib nrog cov khoom noj tshwj xeeb hauv cov khoom noj uas tau pom zoo, los yog kev npaj rau yus tus kheej. Cov nram qab no yog qhov noj txhua hnub (hauv grams):
Tshaj tiv thaiv | 1-5 hnub | 6-21 hnub | 22-28 hnub |
Nyuaj boiled qe | 0,7-0,8 | 8-9,3 | - |
Mis hmoov | - | 2-2,3 | 2,4-2, 5 |
Pob kws | 5 | 9 | 38 |
Pej xeem | 4 | 8 | 25 |
Zaub noj mov | 3 | 7 | 22 |
Ntses noj mov | - | - | 4 |
Nqaij thiab pob txha noj mov | - | - | 3 |
Chalk | - | 0,7 | 2 |
Vitamins | 0,1 | 0,3 | 1 |
Tshiab zaub | 5 (kua txiv ntawm tshuaj ntsuab) | 5 (kua txiv ntawm tshuaj ntsuab) | 15 |
Koj yuav ntshe yuav txaus siab paub yuav ua li cas kom paub qhov txawv ntawm ib tug qaib cov txwv los ntawm turkeys, yog dab tsi turkeys muaj mob nrog thiab yuav ua li cas rau lawv, li zoo li cas nta ntawm qaib cov txwv qe muaj nyob.Nws kuj yog ib qho tseem ceeb kom maj mam ntxiv cov khoom noj tshiab rau cov khoom noj thaum lub sij hawm ib zaug ntxiv ib hnub ntxiv.
Lub grain nyob rau hauv kev noj haus ntawm chicks yuav tsum tau crushed:
- thawj lub lim tiam - nplej ntawm 1.5-2 hli;
- ob lossis peb lub lim tiam - 3 hli;
- ces - tag nrho cov tshuaj noj (5 hli thiab ntau tshaj).
Qhuav thiab ntub cov zaub mov nteg tawm ntawm ntau hom kev noj qab haus huv. Ib qho tseem ceeb yog tias cov ntub khoom noj yuav tsum tsis txhob lo rau tes. Moisturizing ntawm pub yuav ua tau nrog cog SAP, yogurt los yog whey.
Nws tseem ceeb heev! Lub nplua nuj ntawm greenery nyob rau hauv cov tub ntxhais hluas cov tsiaj yog contraindicated - xws li cov khoom noj muaj peev xwm sai sai clog lub hnyuv ntawm tus me nyuam qaib.
Tus neeg laus noog
Cov neeg laus cov qoob loo pub 3-4 zaug ib hnub twg. Qhov kev noj haus yuav tsum muaj qhov sib xyaw kom zoo ntawm cov khoom noj muaj protein ntau, qhov yuav tsum tau muaj cov carbohydrates thiab txo cov ntsiab lus ntawm cov tshuaj fluorine thiab calcium.
Kwv yees li ntawm txhua hnub rau qaib ntxhw qaib (hauv grams ib qho):
Tshaj tiv thaiv | 4-8 lub lim tiam | 9-12 lub lim tiam | 13-20 lub lim tiam | 21-26 lub lim tiam |
Pej xeem | 26,5-28,5 | 55-63 | 84-97 | 90-145 |
Pob kws | 28-40 | 60-95 | 100-170 | 130-220 |
Pea | - | 9-11 | 12-16 | 30-36 |
Chop tawm | - | 10-14 | 12-14 | 12-16 |
Zaub cov ncuav | 23-40 | 33-46 | 20-50 | 17-30 |
Pomace | 5-8 | 11-16 | 17-25 | 20-30 |
Poov xab | 9-12 | 13-18 | 19-20 | 20-24 |
Ntses noj mov | 6-11 | 7-11 | 7-9 | - |
Nqaij thiab pob txha noj mov | 4-9 | 4-15 | 10-25 | 15-30 |
Chalk | 2-3 | 6-9 | 10-13 | 12-18 |
Rog | 1-2 | 5-10 | 10-20 | 5-30 |
Ntsev | 0,1 | 1-1,5 | 1,5-2 | 2-3 |
Vitamins | 1-1,5 | 2-3 | 3,5-5 | 4-6 |
Yees duab: cov ntsiab lus thiab yug me nyuam qaib ntxhw
Peb xav kom koj paub koj tus kheej nrog lub nuances ntawm kev khaws cia cov tsiaj ntawm turkeys raws li lub bronze dav hauv siab, Dub Tikhoretskaya thiab Uzbek Palevaya.
Nta ntawm cov hlwv broilers
Ib tug poj niam zaum tau li ntawm 17 tus me nyuam qaib hauv 30 hnub. Tom qab ob lub lim piam los ntawm pib ntawm qe-tso, xaiv cov qe ua, - xws li ib lub sij hawm yuav guarantee ib feem pua ntawm cov qe fertilization, uas, tig, tau ripen yog ib tug poj niam los yog nyob rau hauv incubator.
Muaj ntau cov kev cai rau kev saib xyuas ntawm cov qaib cov txwv me qaib cov txwv, uas tsis pom zoo uas yuav ua rau muaj kev puas tsuaj.
Koj puas paub? Qaib ntxhw tuaj rau teb chaws Europe los ntawm Tebchaws Asmeskas - Mayans tau nquag yug me nyuam cov noog ntawd. Li no lawv lub npe. Txawm hais tias thawj zaug, vim tias thawj tus neeg tau raug xa los ntawm cov neeg qhia lus Mev, lawv tau hu ua Spanish hens.Cia peb nyob ntawm lawv hauv kev xav paub ntxiv:
- Hatching me nyuam qaib yuav tsum tau tas mus li lub teeb, txo los ntawm ib nrab ib teev txhua txhua hnub. Nees nkaum hnub nyoog me nyuam qaij yuav tsum tau lub teeb rau 15 teev ib hnub twg.
- Nyob rau ntawm lub tswv yim ntawm lub sib tw ntawm cov tub ntxhais hluas Tshuag, nws yog ib qhov tsim nyog los nqa tawm ib tug meej disinfection ntawm chav tsev thiab feeders nrog tshwj xeeb txhais tau.
- Me nyuam mos me nyuam xav tau ib chav tsev uas muaj qhov kub ntawm 30-32 ° C tshav kub; turkeys nrog dawb plumage, vim yog lub zog ntawm lub dawb feather, lub kub yog xav tau siab dua - 32-34 ° C.
- Vim yog tsis paub xyuam xim hnoos hnoos hiav txwv, koj yuav tsum tau loj hlob nyob rau hauv dav dav, qhib rau saum toj kawg nkaus, lined nrog straw.
- Ib ncig ntawm-ib-moos kev pab thaum lub sij hawm thawj 14 hnub ntawm turkey poults yog tsim nyog.
- Cov me nyuam qaib tuaj yeem tso tawm rau hauv pem teb thiab taug kev tsuas yog 15 hnub tom qab lawv yug los.
- Lawv txhais cov ntsiab lus los ntawm tag nrho 3 lub lim tiam.
Tej teeb meem nyob rau hauv loj hlob thiab kab mob turkeys
Qhov teeb meem tseem ceeb nyob rau hauv cov ntaub ntawv no yog kab mob ntawm qaib cov txwv, uas muaj peev xwm tshwm sim nrog kev pab tu tsis zoo, tsis noj mis, thiab ua txhaum kev cai tu cev hauv qaib cov txwv.
Tus noog uas muaj mob yuav ua rau nws tsis muaj zog, nws lub zog tsis tshua zoo, tsis muaj kev tiv thaiv, nrog lub plawv dhia, feem ntau nws hides nyob hauv kaum tsev. Ob lub qhov muag hollow, feathers ruffled. Muaj qee zaum thaum nws tsis tuaj yeem sawv ntawm lawv tes.
Qhov feem ntau cov ailments ntawm turkeys yog:
- Cov kab mob Newcastle. Txoj sia tsis zoo txaus ntshai kab mob, uas tuaj yeem cuam tshuam rau tag nrho cov tsiaj txhu. Cov tsos mob tseem ceeb yog kev tuag ntawm ceg. Nyob rau ntawm thawj theem ntawm tus kab mob no yog mob raws plab, quav ntawm grey, greenish los yog daj tsos nqaij daim tawv, nrog ib tug fetid tsw. Tib txoj kev los cawm tus tsiaj txhu yog kev txhaj tshuaj raws sij hawm.
- Sinusitis. Yog vim li cas - raw txaj, drafts. Cov tsos mob: nyob rau hauv ob lub qhov muag round o, hawb pob thiab hnoos, tawm ntawm lub qhov ntswg thiab qhov muag, ua pa tsw phem thiab ua tsis taus pa. Yog hais tias tus noog tsis kho, nws yuav muaj kev loj hlob.
- Pullorosis. Kab mob chicks mus txog 14 hnub. Cov tsos mob: nqhis dej nrog tsis qab los yog tsis muaj. Qhov muag raug kaw, tis qis, dawb los yog daj hau daj. Nyob rau ntawm ib theem thaum ntxov, kev kho mob nrog tshuaj tua kab mob yuav pab thaum nyob tom qab, tus me nyuam qaib tuag vim qaug zog.
- Gastomoniasis. Tus kab mob kis tau ua rau daim siab mob thiab mob plab. Cwj pwm - mob plab ntsuab los sis txiv kab ntxwv. Chicks sai sai poob ceeb thawj, ua zog thiab tsis zoo. Kev kho mob nrog "Furazolidone" lossis "Osarsol".
- Avitaminosis. Qhov yog vim li cas - qhov tsis ncaj ncees pub. Lub ntsiab ntawm cov pojniam yog cov menyuam yaus. Kev loj hlob tsis zoo, npau taws qhov muag, lawv cov tearfulness qhia tias retinol deficiency. Txiav qhov kev loj hlob thiab cov nplhaib ntawm cov pob txha yog ib qho kev qhia tias tsis muaj calciferol (vitamin D). Kev tuag ntawm cov ceg txhais tau hais tias tus kab mob B vitamins tsis muaj peev xwm vim hais tias kev tiv thaiv, vitamins yuav tsum ntxiv rau pub.
Nws yuav siv tau rau koj kom tau cov neeg paub nrog cov nuances ntawm broiler qaib.Yees duab: broiler qaib ntxhw cog qoob loo Tsis tas li ntawd, qhov no hom ntawm noog yog heev susceptible rau cov kab mob ntawm gastrointestinal ib ntsuj av. Kev tiv thaiv kab mob tseem ceeb yog cov tshuaj txhaj tiv thaiv thiab tshuaj tua kab mob.
Raws li peb tau saib, yug me nyuam broiler turkeys tsis yog ib qho nyuaj ua hauj lwm, tshwj xeeb tshaj yog xav tias cov noog lawv tus kheej yog heev unpretentious nyob rau hauv khaws thiab pub. Paub txog qee txoj cai thiab ua raws li lawv, nrog rau kev paub hauv kev ua hauj lwm, nyob rau hauv ib lub sij hawm luv luv koj yuav tsim ib lub lag luam zoo thiab muaj txiaj ntsig.