Kushandiswa kweAntibiotics sevanosimudzira kukura mukugadzirwa kwezvipfuyo kuri kuwedzera pasi pekuongororwa neveruzhinji uye kushoropodzwa.Kukudziridzwa kwekupokana kwebhakitiriya kumishonga inorwisa mabhakitiriya uye kusapindirana kwezvirwere zvevanhu nemhuka zvine chekuita nekurapa kwepasi uye/kana kusashandisa zvakanaka kwemishonga inorwisa mabhakitiriya ndizvo zvinonyanya kunetsa.
Munyika dzeEU, kushandiswa kwemishonga inorwisa mabhakitiriya ekusimudzira kugadzirwa kwemhuka kwakarambidzwa.MuUS, American Association's inogadzira mitemo House of Delegates yakatendera chisungo pamusangano wayo wepagore muna Chikumi ichikurudzira kuti kushandiswa "kusiri kwekurapa" kwemishonga inorwisa mabhakitiriya mumhuka kubviswe kana kubviswa.Chiyero chinoreva zvakananga kune mishonga inorwisa mabhakitiriya inopihwa kuvanhu zvakare.Inoda kuti hurumende ibvise kushandiswa kwemishonga yekuuraya zvipfuyo zvakapfurikidza mwero, kuwedzera hurongwa hwesangano iri hwekudzivisa kusabatwa nemishonga inoponesa vanhu.Kushandiswa kwemishonga inorwisa mabhakitiriya mukugadzirwa kwezvipfuyo kuri kuongororwa nehurumende uye matanho ekudzora kuramba zvinodhaka ari kugadziridzwa.MuCanada, kushandiswa kweCarbadox parizvino kuri pasi peHutano Canada.s kuongorora uye kutarisana nekurambidzwa kunobvira.Nokudaro, zviri pachena kuti kushandiswa kwemishonga inorwisa mabhakitiriya mukugadzirwa kwemhuka kunowedzera kudziviswa uye dzimwe nzira dzekusimudzira kukura kwemishonga inorwisa mabhakitiriya dzinoda kuongororwa uye kuendeswa.
Nekuda kweizvozvo, tsvakiridzo iri kuramba ichiitwa yekudzidza dzimwe nzira dzekutsiva mishonga inorwisa mabhakitiriya.Dzimwe nzira dziri pasi pekudzidza dzinotangira kubva kumakwenzi, probiotics, prebiotics uye organic acids kune makemikari ekuwedzera uye manejimendi ekushandisa.Zvidzidzo zvakawanda zvakaratidza kuti formic acid inoshanda kurwisa pathogenic bacteria.Mukuita, zvisinei, nekuda kwematambudziko ekubata, kunhuhwirira kwakasimba uye kuora kwekudya kwekugadzirisa uye kudyisa uye kunwa michina, kushandiswa kwayo kunogumira.Kuti ukunde matambudziko, potassium diformate (K-diformate) yakagamuchira kutariswa seimwe nzira kune formic acid nekuti iri nyore kubata pane yakachena asidhi, nepo yakaratidzwa inobudirira mukuwedzera kukura kwekuita kwevose vanorumurwa uye varimi-vanopedza nguruve. .Ongororo yakaitwa nevatsvakurudzi veAgricultural University yeNorway (J. Anim. Sci. 2000. 78:1875-1884) yakaratidza kuti kudya kwekudya kwe potassium diformate pa 0.6-1.2% mazinga akavandudza kukura kwekukura, hutano hwechitunha uye kuchengetedzwa kwenyama mumurimi. -finisher nguruve pasina mhedzisiro yakaipa pane sensory pork quality.Zvairatidzawo kuti unlikepotassium diformate kuwedzera kweCa/Na-formate kwaisava nemhedzisiro pakukura uye mhando yechitunha.
Muchidzidzo ichi, zviyero zvitatu zvekuedza zvakaitwa.Mukuedza imwe, 72 nguruve (23.1 kg yekutanga uremu hwemuviri uye 104.5 kg uremu hwemuviri) yakagoverwa kumishonga mitatu yekudya (Kudzora, 0.85% Ca / Na-formate uye 0.85% potassium-diformate).Mhedzisiro yakaratidza kuti kudya kweK-diformate kwakawedzera avhareji yezuva nezuva kuwana (ADG) asi haina mhedzisiro paavhareji yemazuva ese ekudya (ADFI) kana kuwana/kudyisa (G/F) chiyero.Chitunha chakaonda kana mafuta emukati haana kukanganiswa ne potassium -diformate kana Ca/Na-formate.
Mukuedza maviri, 10 nguruve (yekutanga BW: 24.3 kg, yekupedzisira BW: 85.1 kg) yakashandiswa kudzidza mhedzisiro yeK-diformate pakuita uye kunzwa kunaka kwenguruve.Yese nguruve dzaive pachirongwa chekudyisa muganhu uye dzakadyisa kudya kwakafanana kunze kwekuwedzera 0.8% K-diformate muboka rekurapa.Migumisiro yakaratidza kuti kuwedzera K-diformate kune kudya kunowedzera ADG uye G / F, asi yakanga isina simba pahutano hwekunzwa kwenguruve.
Mukuedza zvitatu, 96 nguruve (yekutanga BW: 27.1 kg, yekupedzisira BW: 105kg) yakagoverwa kumishonga mitatu yezvokudya, ine 0, 0.6% uye 1.2% K-diformate maererano, kuti idzidze maitiro ekuwedzera.K-diformatemukudya pakukura kwekuita, hunhu hwechitunha uye, microflora yemudumbu.Mhedzisiro yacho yakaratidza kuti kuwedzera kweK-diformate pa0.6% uye 1.2% nhanho yakawedzera kukura kwekuita, kuderedzwa kwemafuta emukati uye yakagadziridzwa chitunha chakaonda muzana.Yakawanikwa kuti kuwedzera K-diformate kwakaderedza nhamba yecoliform mumakumbo emakumbo enguruve, saka, kuvandudza kuchengetedzwa kwenguruve.
kugona 1. Mhedzisiro yekuwedzera kwekudya kweCa/Na diformate uye K-diformate pakukura kwekuita muKuedza 1. | ||||
Item | Kudzora | Ca/Na-formate | K-diformate | |
Nguva yekukura | ADG, g | 752 | 758 | 797 |
G/F | .444 | .447 | .461 | |
Nguva yekupedzisira | ADG, g | 1,118 | 1,099 | 1,130 |
G/F | .377 | .369 | .373 | |
Nguva yose | ADG, g | 917 | 911 | 942 |
G/F | .406 | .401 | .410 |
Tafura 2. Mhedzisiro yekuwedzera kwekudya kweK-diformate pakukura kwekuita muKuedza 2. | |||
Item | Kudzora | 0.8% K-diformate | |
Nguva yekukura | ADG, g | 855 | 957 |
Gain/Feed | .436 | .468 | |
Nguva yose | ADG, g | 883 | 987 |
Gain/Feed | .419 | .450
|
Tafura 3. Mhedzisiro yekuwedzera kwekudya kweK-diformate pakukura kwekuita uye hunhu hwechitunha muKuedza 3. | ||||
K-diformate | ||||
Item | 0 % | 0.6% | 1.2% | |
Nguva yekukura | ADG, g | 748 | 793 | 828. |
Gain/Feed | .401 | .412 | .415 | |
Nguva yekupedzisira | ADG, g | 980 | 986 | 1,014 |
Gain/Feed | .327 | .324 | .330 | |
Nguva yose | ADG, g | 863 | 886 | 915 |
Gain/Feed | .357 | .360 | .367 | |
Chitunha Wt, kg | 74.4 | 75.4 | 75.1 | |
Goho rakaonda,% | 54.1 | 54.1 | 54.9 |
Nguva yekutumira: Aug-09-2021