Khōlo ea carp ea liteko ka mor'a ho eketsa likhahla tse fapaneng tsaDMPTho fepa ho bontšoa ho Lethathamo la 8. Ho ea ka Lethathamo la 8, ho fepa carp ka mekhahlelo e fapaneng eaDMPTphepelo e ekelitse sekhahla sa boima ba 'mele haholo, sekhahla se ikhethileng sa kholo, le sekhahla sa ho phela ha se bapisoa le phepelo ea taolo ea phepo, athe coefficient ea phepelo e fokotsehile haholo. Har'a bona, phaello ea boima ba letsatsi le letsatsi ea lihlopha tsa Y2, Y3, le Y4 tse kenyelletsoeng ka DMPT li eketsehile ka 52.94%, 78.43%, le 113.73% ka ho latellana ha li bapisoa le sehlopha sa taolo. Litefiso tsa boima ba Y2, Y3, le Y4 li eketsehile ka 60.44%, 73.85%, le 98.49% ka ho latellana ha li bapisoa le sehlopha sa taolo, 'me litekanyetso tse khethehileng tsa kgolo li eketsehile ka 41.22%, 51.15%, le 60.31% ka ho latellana. Lipalo tsa ho pholoha li eketsehile ho tloha ho 90% ho ea ho 95%, 'me li-coefficients tsa phepelo li fokotsehile.

Nts'etsopele ea lintho tse hohelang metsing

Hajoale, ho na le liqholotso tse ngata tlhahisong ea lijo tsa metsing, tseo hara tsona liqholotso tse tharo tsa bohlokoa e leng:

1. Mokhoa oa ho fana ka phello ea phepo ea lihlahisoa tsa phepo.

2. Mokhoa oa ho fana ka botsitso ba sehlahisoa ka metsing.

3. Mokhoa oa ho fokotsa litšenyehelo tsa thepa e tala le tlhahiso.

Ho ja lijo ke motheo oa kholo ea liphoofolo le nts'etsopele, lihlahisoa tsa fepa li na le phello e ntle ea ho fepa, monate o monate, eseng feela o ka fanang ka lijo, ho khothalletsa tšilo ea lijo le ho monya limatlafatsi, ho fana ka limatlafatsi tse ngata tse hlokahalang bakeng sa kholo le nts'etsopele, empa hape li khutsufatsa haholo nako ea ho fepa, ho fokotsa tahlehelo ea thepa ea tlhapi ea phepelo le tšebeliso ea lijo.Ho netefatsa botsitso bo botle ba phepo metsing ke mohato oa bohlokoa oa ho fana ka tšebeliso ea phepo, ho fokotsa tahlehelo ea phepo le ho boloka boleng ba metsi a matangoana.

Mokhoa oa ho fokotsa phepelo le litšenyehelo tsa eona tsa tlhahiso, re hloka ho ithuta le ho nts'etsapele lisebelisoa tsa phepelo joalo ka lintho tse hohelang, ho nkela protheine ea liphoofolo sebaka ka protheine ea limela, ho ntlafatsa tšebetso ea litheko le letoto la mehato ea ho etsa liteko. Ka aquaculture, e ngata Bait ha e e-s'o nkiloe ke liphoofolo ho teba ho ea botlaaseng ba metsi ke ho le thata ho ka ho feletseng ingested, e seng feela etsa hore litšila tse khōlō, empa le silafatsa boleng ba metsi, kahoo ka Bait ho eketsa susumelletsa liphoofolo takatso ea lijo dintho -se hohelang dijoe bohlokoa haholo.

Ho kenyelletsa lijo ho ka tsosa monko, tatso le pono ea liphoofolo, ho khothalletsa kholo ea liphoofolo, empa hape ho fana ka ho hanyetsa maloetse le ho itšireletsa mafung, ho matlafatsa physiologic hulling, ho fokotsa tšilafalo ea metsi le melemo e meng.