Ukusetyenziswa kweeAntibiotics njengezikhuthazi zokukhula kwimveliso yemfuyo kuya kujongwa kwaye kugxekwa luluntu. Uphuhliso lokuxhathisa iintsholongwane kwii-antibiotics kunye nokuxhathisa iintsholongwane zabantu nezilwanyana ezinxulumene nokusetyenziswa kakubi kwee-antibiotics zezona zinto zixhalabisayo.

Kumazwe e-EU, ukusetyenziswa kwee-antibiotics ukuphucula imveliso yezilwanyana kuthintelwe. E-US, iNdlu yabaMeli yaseMelika eyenze umgaqo-nkqubo yavuma isigqibo kwintlanganiso yayo yonyaka ngoJuni esibongoza ukuba ukusetyenziswa kwee-antibiotics "okungengonyango" kwizilwanyana kupheliswe okanye kupheliswe. Lo mgaqo ubhekisa ngokukodwa kwii-antibiotics ezinikwa abantu. Ufuna urhulumente aphelise ukusetyenziswa kakhulu kwee-antibiotics kwimfuyo, andise iphulo lombutho lokunciphisa ukuxhathisa kwabantu kumayeza okusindisa ubomi. Ukusetyenziswa kwee-antibiotics kwimveliso yezilwanyana kuphantsi kophononongo lukarhulumente kwaye amanyathelo okulawula ukuxhathisa kumayeza aphantsi kophuhliso. EKhanada, ukusetyenziswa kweCarbadox okwangoku kuphantsi kophononongo lwezeMpilo eKhanada kwaye kujongene nokuthintelwa okunokwenzeka. Ke ngoko, kuyacaca ukuba ukusetyenziswa kwee-antibiotics kwimveliso yezilwanyana kuya kuba nemida ngakumbi kwaye ezinye iindlela zokukhuthaza ukukhula kwee-antibiotic kufuneka ziphandwe kwaye zisetyenziswe.

Ngenxa yoko, uphando luqhubeka luqhutywa ukuze kufundwe ezinye iindlela zokutshintsha ii-antibiotics. Ezinye iindlela eziphantsi kophando ziqala kwiimifuno, ii-probiotics, ii-prebiotics kunye nee-organic acids ukuya kwizongezo zeekhemikhali kunye nezixhobo zolawulo. Izifundo ezininzi zibonise ukuba i-formic acid iyasebenza ngokuchasene neebhaktheriya ezibangela izifo. Nangona kunjalo, ngenxa yeengxaki zokuphatha, ivumba elinamandla kunye nokugqwala kwizixhobo zokucubungula ukutya kunye nezokutya kunye nezokuphuza, ukusetyenziswa kwayo kulinganiselwe. Ukunqoba iingxaki, i-potassium diformate (K-diformate) ifumene ingqalelo njengendlela eyahlukileyo ye-formic acid kuba kulula ukuyiphatha kune-acid ecocekileyo, ngelixa ibonakaliswe isebenza ekuphuculeni ukusebenza kokukhula kweehagu ezilunyulweyo kunye nezikhula-zigqibe. Uphononongo olwenziwe ngabaphandi kwiYunivesithi yezoLimo yaseNorway (J. Anim. Sci. 2000. 78:1875-1884) lubonise ukuba ukongezwa kokutya kwe-potassium diformate kumanqanaba e-0.6-1.2% kuphucule ukusebenza kokukhula, umgangatho wenyama kunye nokhuseleko lwenyama kwiihagu ezikhula-zigqibe ngaphandle kwemiphumo emibi kumgangatho wehagu ezivakalelwayo. Kwakhona kuboniswe ukuba ngokungafaniyoi-potassium diformate ukongezwa kweCa/Na-formate akubanga nafuthe konke konke ekukhuleni nasekusemgangathweni wenyama efileyo.

Kolu phononongo, kwenziwe uvavanyo oluthathu lulonke. Kuvavanyo lokuqala, iihagu ezingama-72 (ubunzima bomzimba bokuqala obungama-23.1 kg kunye nobunzima bomzimba obuyi-104.5 kg) zanikwa unyango lokutya oluthathu (uLawulo, i-0.85% Ca/Na-formate kunye ne-0.85% potassium-diformate). Iziphumo zibonise ukuba ukutya kwe-K-diformate konyusa i-avareji ye-gain yemihla ngemihla (ADG) kodwa akubanga nampembelelo kwi-avareji ye-avareji ye-day feed intake (ADFI) okanye kwi-gain/feed ratio (G/F). Umxholo we-carcass lean okanye wamafutha awuzange uchatshazelwe yi-potassium-diformate okanye yi-Ca/Na-formate.

Kwilinge lesibini, iihagu ezili-10 (i-BW yokuqala: 24.3 kg, i-BW yokugqibela: 85.1 kg) zasetyenziswa ukufunda isiphumo se-K-diformate ekusebenzeni nasekulinganiseni umgangatho wenyama yehagu. Zonke iihagu zazikwinkqubo yokutya elinganiselweyo kwaye zondliwa ukutya okufanayo ngaphandle kokongeza i-0.8% K-diformate kwiqela lonyango. Iziphumo zibonise ukuba ukongeza i-K-diformate ekutyeni kwandisa i-ADG kunye ne-G/F, kodwa akuzange kube nafuthe kumgangatho wenyama yehagu.

Kwilinge ezintathu, iihagu ezingama-96 (i-BW yokuqala: 27.1 kg, i-BW yokugqibela: 105kg) zanikwa unyango lweentlobo ezintathu zokutya, oluqulathe i-0, 0.6% kunye ne-1.2% K-diformate ngokulandelelana, ukuze kufundwe isiphumo sokongeza.I-K-diformateekutyeni okumalunga nokusebenza kokukhula, iimpawu zenyama yehagu kunye ne-microflora yendlela yokugaya ukutya. Iziphumo zibonise ukuba ukongezwa kwe-K-diformate kwinqanaba le-0.6% kunye ne-1.2% kwandisa ukusebenza kokukhula, ukunciphisa umxholo wamafutha kunye nepesenti engcono yenyama yehagu. Kufunyaniswe ukuba ukongeza i-K-diformate kunciphisa inani lee-coliforms kwindlela yokugaya ukutya kweehagu, ngoko ke, kuphucula ukhuseleko lweehagu.