1. Cov khoom siv raw. Parma ham tsuas yog ua tau nrog purebred lossis hybrid tsoos yug tsiaj ntawm Great White thiab Landrace npua uas tau kho kom zoo dua raws li tus pedigree ntawm Italian tsiaj nyeg, Duroc cov npua uas tau ua kom zoo dua raws li lub pedigree ntawm Italian tsiaj txhu, lossis lwm yam tsiaj ntawm npua. Qhov yuav tsum tau ua ua ntej yog ua tau raws li cov kev xav tau tshwj xeeb ntawm Italian tsiaj nyeg pedigree rau cov npua hnyav uas tau tsim ntau dua 9 lub hlis thiab hnyav kwv yees li 160 kg (10% ntawm qhov chaw ntab tso cai), thiab kev pub mis thiab kev yug me nyuam ntawm npua yuav tsum tau sib ntsib cov kev cai tshwj xeeb.
Cov khoom siv raw siv los ua Parma ham (nqaij ncej puab tshiab ceg) muaj cov yam ntxwv li nram no:
(1) Kev tsis sib haum ntawm cov rog: cais cov sab hauv thiab sab rog txheej ntawm cov rog subcutaneous ntawm cov npua' s hind ob txhais ceg, thiab ntsuas cov ntsiab lus ntawm iodine thiab / lossis linoleic acid. Nws yuav tsum muaj cov ntsiab lus iodine nyob rau hauv txhua qhov qauv tsis tshaj 70, thiab cov linoleic acid cov ntsiab lus tsis pub tshaj 15%.
(2) Rog txheej thickness: Ntsuas qhov tuab ntawm sab nraud npog cov roj npog txheej ntawm cov plaub ntug txiav tshiab npua hind ob txhais ceg los ntawm sab saud ntawm femur. Yog tias nws yog 7 txog 9 kg ntawm tshiab npua hind ob txhais ceg, lub tuab yuav tsum yog txog 20 hli, suav nrog cov tawv nqaij npua. Qhov tsawg kawg nkaus sab hauv yuav tsis tsawg tshaj 15 hli. Yog tias nws yog npua' s hind ob txhais ceg tshaj 9 kg, lub thickness yuav tsum txog 30 hli, thiab qhov tsawg kawg nkaus suav nrog cov tawv nqaij npua yuav tsum tsis pub tsawg dua 20 hli. Cov nqaij npuas nqaij ntawm sab saum toj Parma nqaij tsis tuaj yeem sib cais los ntawm cov leeg nqaij txheej.
(3) Qhov zoo tshaj qhov hnyav ntawm cov tshiab npua hind ob txhais ceg yog 12 txog 14 kg, tsis pub tsawg dua 10 kg.
(4) Txwv tsis pub tso tawm hauv tub yees, cov nqaij npuas tshiab uas txhais ceg tsis pub muaj kev kho mob nrog rau kev kho mob nrog rau kev ua kom khov. Tub yees txhais tau tias qhov kub thiab txias ntawm tus npua' s hind ob txhais ceg yuav tsum ceev cia ntawm 1 txog 4 degrees Celsius thaum lub sijhawm cia thiab tsheb thauj mus los. Cov ceg ntawm cov npua uas muaj tsawg dua 24 teev lossis ntau dua 120 teev tom qab tua tsis tau.
2. Fresh npua hind ob txhais ceg los ntawm lub chaw tua tsiaj yuav tsum tau txais kev kho mob tshwj xeeb tsis pub tsawg dua 12 hlis. Qhov tsuas ntxiv rau hauv cov txheej txheem no yog ntsev hiav txwv. Cov txheej txheem suav nrog: kev rho tawm thiab tua, ua kom txias, ua kom sib luag, khaws cia, tso rau, ntxuav thiab ziab, ua ntej cua kom qhuav, tom qab huab cua kom qhuav, lard txheej, laus thiab laus, hlais ntim.
3. Lub vev xaib ntau lawm yuav tsum tau nyob rau thaj chaw tau hais tseg saum toj saud, thiab tag nrho cov txheej txheem ntawm cov hlais ntim cov txheej txheem thiab cov khoom lag luam khoom tseem yuav tsum tau nqa tawm ntawm thaj chaw tshwj xeeb. Pub cov tsiaj ua liaj ua teb uas muab cov ntaub ntawv nyoos rau Parma' s hind ob txhais ceg, nrog rau cov tsiaj ntawv pov thawj tua tsiaj thiab txiav cov nroj tsuag, muaj nyob hauv thaj tsam ntawm keeb kwm ntawm cov ntaub ntawv raw tau hais saum toj no.
4. Tom qab muab cov ntawv ci nrog lub cim hluav taws, Parma ham tuaj yeem muag tag nrho lossis nyiaj tsis muaj nuj nqis, lossis ntim khoom thiab muag muag hauv cov qauv sib txawv, xws li ham daim los yog cov nplais qhov sib txawv thiab qhov hnyav. Cov hlais ntim yuav tsum tau nqa tawm ntawm thaj chaw ntau lawm, thiab ntim yuav tsum luam tawm tas mus li nrog kev tiv thaiv kev tsim qauv ntawm keeb kwm raws li cov qauv qhia hauv qab no. Nov yog cov kauj ruam tseem ceeb los xyuas kom meej zoo ntawm Parma ham thiab traceability ntawm cov khoom.