1.1 Yokk limu jëfandikoo ci ñam, tàngoor, hudidité, pression ak jëf mekanik yu bari ci anam yi ñuy génnee extrusion mën na dog lëkkaloo 1,4-glycoside ci molecule starche ngir defar produit yu néew ci poid moleculaire yu melni glucose, maltose, maltage maltage ak maltodeditrin. Liggéeyu extrusion mën na yokk ci gelatine bi ci amidon, yàq ba noppi di yombal selil bi ci structure fibre bi, ba noppi ñu wër ko, ba noppi ñu tëj ko. Dooley reesal bi boole ci reesal bi ak grees yi dugg ci kaw suuf si ci biir granule yi, loolu mooy tax feed bi am cafka gu amul fenn, ba noppi gëna rafetal palatability, loolu mooy yokk limu lekk.
Rax ci dolli, protein yi ci ñam protein lujum yi mën nañu joxe yenn inhibitëru protease yu melni antitrypsin ak urease ginaaw pajum tàngoor bu yam, ba noppi yàq lëkkaloo hydrogen ak yeneen lëkkaloo ci protein yi, mu jur coppite ci conformation spatial bu njëkk ci chaîne polypeptide, mu jur denaturer ci protein yi, fibrose ci protein yu dëgër, ak dindi ci chaîne peptide. Ak yokkute ci barabu subsurface, retardation debit ak lëkkaloo ak enzymes ci baayima yi ci ndox, digestion ak absorption ci baayima aquatic baayima yi mën nañu ko gëna yokk, te limu jëfandikoo ci digestion mën nañu ko yokk 10% {2} %.
1.2 Jën yu yaatu yi dañu am doole bu baax ci ndox mi ngir wàññi polusioŋ environmaa bi. Peletu feed yi extrusion ak extrusion defar dañu am benn lëkkaloo wala lëkkaloo ndax gelatine amidon ak histochimie protein ci biir feed bi. Dawal bi ci pellet yi mingi ëpp 12 waxtu ak 36 waxtu. Kon mën nañu wàññi ñàkka am ferñent ak taw ci ndox. Yenn done yi dañu wane ni jën yiy féey ci ndox mi ñuy féey mën nañu sakkanal 5% ba 10% ci poudre wala feed pellet, te mën nañu moytu ñam yi bawoo ci ndox mi, ba noppi wàññi polusioŋ bi ci ndox mi.
1.3 Ngir wàññi feebar yiy xew, jumtukaayi ñam yi dañuy faral di am ay mikroorganism yu am loraange, lu ci melni organism aerobic, neutrophils, E. coli, moules, salmonella, ak ñoom seen. Li ci nekk ci jumtukaayi lekk baayima yi dafa yéeg lool. Tàngoor wu metti wi, humidite bu bari ak pression bu bari ci extrusion mën na ray microorganisme yu bari yuy lore. Done yi dañu wane ni limu E. coli ci gram bu nekk ci macceer bu ñor mingi tollu ci 10,000, te amna lu néew 10 ginaaw boo ko puff. Salmonella mën nañu ko ray ginaaw boo ko puffing ci tàngoor wu metti 85 C, loolu dafay jàppale ndox mu baax ak wàññi jafe-jafe yi ci environmaa bi ci ndox, te ci jamono jooju mu yegg ci 0.4, muy luy tollu ci 8%-10%, ba noppi gëna baaxal dencukaay bu njëkk bi. Taxawal stabilite.
1.4 Feebaru ndox mu yaatu, mën nañu ko suspend ci ndox ci ndox lu yàgg. Amul benn platform buy dundal ñam, soxlawul ludul ci ñam,-point kese lañu soxla. Jën yi dañu wara féey ci kaw ndox mi, sooy dundal. Mën na seetlu ni jën yi di dundee ci saasi, di yamale limu lekk ci jamono, te xam màgg gi ak ni jën yi di màggee ci jamono. Kon, jëfandikoo feed extrude aquatique dafay baax ci liggéeyum ñam gëstukat yi, te loolu mën na tax nga mëna sakkanal lu bari ci liggéey bi, ba noppi gëna mëna liggéey.
1.5 Feebar bu yaatu mën na faj soxlay baayima yu wuute ci ñam. Sunu sukkandikoo ci xaralay liggéey yu bari yi, mën nañu ko xaaj ñatti xeetu: flotër, tabb bu yeex ak settling bu gaaw. Fi ñu tolli nii, lu tollu ci 80% ci feedu jën mooy feed sedimentation, lu ci melni crevette, salmon, salmon, salmon ak mboq- thon, ci noonu la jënu muus, elpish, el ak jën yu bari yu melni jën yuy féey. Catfish ak tilapia ñoo gëna bëgg sedimentation feed ak feed yuy féey. Rax ci dolli, feed bi extrude mën na méngoo ak yenn mbir yu amul fenn, lu ci melni feed bu woyof, feed bu bari fibre, ak ñoom seen.