Cov teeb meem kev xeeb tub tshwm sim los ntawm kev tswj hwm thiab kev siv ntau dhau ntawm cov mis nyuj ntau lawm: vim yog kev tswj hwm, tsis muaj lub sij hawm lactation, lub sij hawm mis nyuj qhuav, txawm tias loj npaum li cas, sib xyaw pab pawg pub noj nyob rau hauv tib lub ration formula, ua rau lub cev tsis zoo ntawm lactating nyuj, nyuj The backfat thickness ntawm lactating nyuj yog tsis zoo kuaj nrog B-ultrasound.
Cov nyuj thiab cov nyuj qhuav qhuav yog rog dhau thaum kuaj los ntawm B-ultrasound, ua rau muaj kev ua haujlwm tsis zoo ntawm tag nrho cov nyuj. Kev siv ntau dhau thiab qhov muag tsis pom kev ua rau cov kua mis ntau dhau ua rau muaj teeb meem kev yug me nyuam hauv cov mis nyuj. Muaj cov xwm txheej uas cov kua mis ntau ntxiv los ntawm kev ua kom cov khoom noj muaj protein ntau ntxiv. Qhov tshwm sim ntawm qhov muag tsis pom kev ntawm cov mis nyuj tawm los tsuas tuaj yeem ua rau muaj kev sib deev thiab teeb meem digestive. Cov kab mob hauv lub cev tshwm sim ntau zaus.
Cov teeb meem kev yug me nyuam los ntawm cov txheej txheem kev yug me nyuam tsis raug ntawm cov nyuj mis nyuj: lub sij hawm soj ntsuam estrus tsis raug, insemination tsis tuaj yeem raws sijhawm, thiab cov kev xws li kev saib xyuas cov follicles nrog B-ultrasound tsis siv; Artificial insemination cov neeg ua hauj lwm tsis txawj insemination, artificially ua rau lub ncauj tsev menyuam raug mob; lax aseptic ua haujlwm, khaws cia cov placenta tsis tuaj yeem cuam tshuam nrog lub sijhawm, ua rau endometritis; Qhov chaw mos prolapse, thiab lwm yam tsis tuaj yeem kuaj xyuas thiab kho tau raws sijhawm, uas tuaj yeem ua rau muaj kev sib deev ncaj qha, yog li nws yuav tsum tau siv B-ultrasound rau nyuj rau kev kuaj mob thiab kho raws sijhawm. Tsis tas li ntawd, rau cov nyuj mis nyuj uas muaj teeb meem ntawm kev yug me nyuam, vim yog kev kuaj mob tsis zoo lossis kev kho tsis raws sijhawm, tus kab mob tuaj yeem ua rau hnyav zuj zus, ua rau muaj kev cuam tshuam tsis zoo ntawm kev ua me nyuam, thiab yuav tsum siv B-ultrasound rau nyuj rau kev tiv thaiv kab mob ntawm cov nyuj. .
Kev tawm dag zog lub cev, kev sib tsoo, kev sib tsoo thiab kev sib tw ntawm cov nyuj cev xeeb tub, noj nyom nrog Frost nyob rau lub caij nplooj zeeg, noj mildewed forage ntev ntev, mycotoxin lom, kev ntshai tam sim ntawd thiab kev siv tshuaj tsis raug tuaj yeem ua rau rho menyuam; kev tuag, ua rau kev txiav cev xeeb tub.
