Urea, motsoako o teng maling, morotong le lebeseng, ke mofuta o ka sehloohong oa ho ntša naetrojene ho liphoofolo tse anyesang.Ho lemoha boemo ba urea likhomong tsa lebese ho thusa bo-rasaense le lihoai ho utloisisa hore na naetrojene e fepelong e sebelisoa joang ka katleho likhomong tsa lebese.Ho bohlokoa ho lihoai mabapi le theko ea lijo, litlamorao tsa 'mele ho likhomo tsa lebese (joalo ka ts'ebetso ea ho ikatisa), le phello ea ho tsoa ha litšila tikolohong.Bohlokwa ba moruo ba naetrojene moitelong wa kgomo.Ka hona, ho nepahala ha ho lemoha maemo a urea ho likhomo tsa lebese ho bohlokoa.Ho tloha lilemong tsa bo-1990, ho lemoha ha lebese la urea nitrogen (MUN) bohareng ba infrared (MUN) e bile mokhoa o sebetsang ka ho fetisisa le o fokolang haholo o sebelisoang ho lekanya nitrogen ka bongata ba likhomo tsa lebese.Sengoliloeng sa morao-rao se phatlalalitsoeng ho Journal of Dairy Science, bafuputsi Univesithing ea Cornell ba tlalehile ka nts'etsopele ea sete e matla ea lisampole tse ncha tsa tlhahlobo ea MUN ho ntlafatsa ho nepahala ha litekanyo tsa MUN.
“Ha sete ea lisampole tsena li sebetsoa holim’a mochine o hlahlobang lebese, lintlha li ka sebelisoa ho bona mefokolo e itseng ea boleng bo boletsoeng esale pele ba MUN, ’me mosebelisi oa sesebelisoa kapa moetsi oa mochine o hlahlobang lebese a ka lokisa liphoso tsena,” ho hlalositse moholo. mongoli David.Dr. M. Barbano, Setsi sa Lipatlisiso sa Lebese le ka Leboea-bochabela, Lefapha la Saense ea Lijo, Univesithi ea Cornell, Ithaca, New York, USA.Lintlha tse nepahetseng le tse nakong ea MUN "li bohlokoa haholo bakeng sa phepelo ea mehlape ea lebese le tsamaiso ea ho ikatisa," Barbano a eketsa.
Ka lebaka la tlhahlobo e ntseng e eketseha ea lefats'e ea phello ea tikoloho ea temo e kholo le liphephetso tsa moruo tseo lihoai li tobaneng le tsona, tlhokahalo ea ho utloisisa ka nepo tšebeliso ea naetrojene indastering ea lebese e kanna ea se be ntho e potlakileng hakaalo.Ntlafatso ena ea tlhahlobo ea sebōpeho sa lebese e tšoaea tsoelo-pele e 'ngoe e lebisang lits'ebetsong tse phetseng hantle le tse tsitsitseng tsa temo le tlhahiso ea lijo, tse tla tsoela bahlahisi le bareki molemo.Bona Portnoy M et al.Infrared milk analyzer: lebese urea nitrogen calibration.J. Dairy Science.La 1 Mmesa 2021, khatisong.doi: 10.3168/jds.2020-18772 Sengoliloeng sena se hlahisitsoe hape ho tsoa lisebelisoa tse latelang.Tlhokomeliso: E ka 'na eaba boitsebiso bo hlophisitsoe ka bolelele le litaba.Ho fumana lintlha tse ling, ka kopo ikopanye le mohloli o boletsoeng.
Nako ea poso: Jul-05-2021