Ka nts'etsopele e tsoelang pele ea indasteri ea lijo lefatšeng, litlhoko tsa matšoao a pellet ea phepelo li ntse li eketseha, ha se litlhoko tsa boleng ba kahare feela tse lokelang ho ba tse ntle (joalo ka ts'ebetso ea phepo e nepahetseng, thibelo ea mafu, ts'ireletso ea tikoloho ea indasteri, joalo-joalo). , empa hape litlhoko tsa boleng ba kantle li ntse li eketseha (tse kang 'mala, monko o monate, boholo le bolelele ba li-pellets tsa phepelo, tekanyo ea tahlehelo ka metsing, joalo-joalo).Ka lebaka la tikoloho ea bophelo ea liphoofolo tsa metsing, phepo e tšoanang e hloka botsitso bo botle ba metsi ho thibela ho hasana ka potlako, ho qhibiliha le tahlehelo.Ka hona, botsitso ba metsi a lijo tsa metsing ke index ea bohlokoa ho netefatsa boleng ba eona.Lintlha tse amang botsitso ba lijo tsa metsing ka metsing ke tse latelang:
Taba ea pele, boholo ba pellet ea lisebelisoa tse tala
Boholo ba pellet ea lisebelisoa tse tala bo etsa qeto ea sebaka sa bokaholimo ba phepo.Ha boholo ba pellet bo le betere, sebaka se seholoanyane, matla a ho monya mongobo ka har'a mouoane pele ho granulating e matlafala, e leng se loketseng ho futhumatsa le ho etsa pellet, e le hore phepelo ea pellet e be le botsitso bo botle metsing, hape e ka lelefatsa nako ea ho lula. liphoofolong tse phelang metsing, ho ntlafatsa phello ea ho monya, le ho fokotsa tšilafalo ea metsi.Lihlahisoa tse tala tsa lijo tsa tlhapi li lokela ho feta ka sefeng se tloaelehileng sa 40 ka mor'a ho sila, 60 target standard sieve content ≤20%, le lisebelisoa tse tala tsa lijo tsa shrimp li ka feta 60 target standard sieve.
Ea bobeli, leloala la pellet lea shoa
Karo-karolelano ea khatello ea hlobo ea selikalikoe (botebo bo sebetsang ba lesoba / boholo ba lesoba) le eona e na le tšusumetso e itseng botsitsong ba phepelo ea metsing ka metsing.Li-pellets tsa phepelo tse hlahisoang ke ho hatelloa ha hlobo ka sekhahla se seholo sa compression e tla ba boima bo phahameng, sebopeho se thata le nako e telele ea ho hanyetsa metsi.Karolelano e tloaelehileng ea khatello ea lesale la metsing ke 10-25, 'me phepelo ea shrimp ke 20-35.
Ea boraro, e khutsitsoe le ho halefa
Sepheo sa ho futhumatsa ke: 1. Ka ho eketsa mouoane ho nolofatsa lintho tse bonahalang, polasetiki e ngata, e loketseng ho etsa extrusion, e le ho ntlafatsa bokhoni ba pelleting ea mochine oa pellet;2. Ka ketso ea hydrothermal, starch e fepa e ka ba gelatinized ka ho feletseng, protheine e ka etsoa denatured, 'me starch e ka fetoloa lik'habohaedreite tse qhibilihang ho ntlafatsa tšilo ea lijo le tekanyo ea tšebeliso ea bait;3. Ntlafatsa boima ba li-pellets, ponahalo e boreleli, e seng bonolo ho senyeha ke metsi, ho eketsa botsitso metsing;4. Phello e phahameng ea mocheso oa mokhoa oa ho futhumatsa e ka bolaea libaktheria tse kotsi tse kang Escherichia coli le Salmonella lijong, ho ntlafatsa ts'ebetso ea polokelo 'me e thusa bophelo bo botle ba liphoofolo tsa metsing.
Nne, sekgomaretsi
Likhomaretsi ke li-additives tse khethehileng tse bapalang karolo ea ho tlamahanngoa le ho theha lijong tsa metsing, tse ka aroloang ka lintho tsa tlhaho le lintho tsa maiketsetso tsa lik'hemik'hale.Ea pele e ka aroloa ka tsoekere (starch, koro, lijo tsa poone, joalo-joalo) le sekhomaretsi sa liphoofolo (sekhomaretsi sa masapo, sekhomaretsi sa letlalo, makhasi a tlhapi, joalo-joalo);Lintho tse entsoeng ka lik'hemik'hale ke carboxymethyl cellulose, sodium polyacrylate, joalo-joalo. Ts'ebetsong ea tlhahiso ea lijo tsa litlhapi, palo e nepahetseng ea binder e eketsoa ho ntlafatsa botsitso ba phepo metsing.
Nako ea poso: Nov-29-2022