Iji mezuo ihe dị iche iche ndị ahịa na -achọ na ọdịnaya protein nke azụ azụ emechara, anyị mepụtara igwe na -agwakọta azụ iji nweta ebumnuche nke inweta anụ azụ nwere otu ọdịnaya protein. Ngwakọta Fishmeal dị n'ụdị abụọ nke anyụike isii na anyụike asatọ maka ndị ahịa ịhọrọ, nwere ikike nri karịrị tọn 20 n'otu oge. A na -eziga nri azụ azụ emechara nwere ọdịnaya protein dị iche iche n'ọdụ ụgbọ mmiri nri, onye na -ebugharị ihe na -ebu ga -eziga ya na ntinye nke Bucket Elevator. Hopper nke igwe mbuli na -aga n'ihu na -ebuga nri azụ azụ n'elu igwekota, mgbe ahụ, a na -ezigara ihe ahụ na silo agwakọta site na onye na -ebugharị ihe nke igwekota. A na -akwalite ihe na -abanye na silo n'ụzọ zuru oke site na anyụike isii / asatọ na ala, ka ewe nweta ihe nwere ọdịnaya protein dị n'otu. Iji nweta ihe ahụ nwere ọdịnaya protein zuru oke, enwere ike iziga ihe ahụ na mbuli elu ịwụ maka oge nke abụọ site na onye na -ebugharị ngwakọta nke igwekota, ka ị nweta ihe edo edo karịa.