?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=APLIKASI+BAKTERI+NITRIFIKASI+DALAM+BIOFILTER+UNTUK++PENGURANGAN+AMONIAK+DAN+PENINGKATAN+PERFORMA+PERTUMBUHAN+BENIH+IKAN+GURAMI+(Osphronemus+gouramy)%0D%0A&rft.creator=Dio+Sandi+Kiswara%2C+1014111032&rft.subject=+&rft.subject=Pertanian+(+Umum+)&rft.subject=Budidaya+.+Perikanan+.+Angling&rft.description=Abstrak+Bahasa+Indonesia%3A%0D%0A%0D%0AABSTRAK%0D%0A%0D%0AAPLIKASI+BAKTERI+NITRIFIKASI+DALAM+BIOFILTER+%0D%0AUNTUK++PENGURANGAN+AMONIAK+DAN+PENINGKATAN+PERFORMA+PERTUMBUHAN+BENIH+IKAN+GURAMI+(Osphronemus+gouramy)%0D%0A%0D%0AOleh%0D%0ADIO+SANDI+KISWARA%0D%0A%0D%0AKonsumsi+ikan+gurami+(Osphronemus+gouramy)+di+Indonesia+mengalami+peningkatan+di+tahun+2007+sebanyak+35.708+ton+dan+pada+tahun+2011+meningkat+hingga+59.401+ton.+Peningkatan+produksi+ikan+gurami+dapat+dilakukan+dengan+memperbaiki+kualitas+air+pada+media+pemeliharaan.+Budidaya+ikan+gurami+dengan+sistem+resirkulasi+dan+penambahan+filter+biologi+menggunakan+bakteri+nitrifikasi+merupakan+salah+satu+upaya+untuk+menjaga+kualitas+air.+Bakteri+tersebut+berfungsi+sebagai+pengurai+amoniak+(NH3)+yang+dihasilkan+dari+sisa+metabolisme.+Rancangan+penelitian+yang+dilakukan+menggunakan+dua+perlakuan+dengan+tiga+ulangan.+Parameter+yang+diamati+dalam+penelitian+ini+adalah+pertumbuhan%2C+kualitas+air+(amoniak%2C+nitrit%2C+nitrat%2C+suhu%2C+pH%2C+oksigen+terlarut%2C)%2C+kelangsungan+hidup%2C+serta+FCR.+Hasil+penelitian+menunjukan+rendahnya+kosentrasi+amoniak+pada+perlakuan+A+diasumsikan+karena+adanya+proses+nitrifikasi.+Kandungan+amoniak+tertinggi+pada+perlakuan+B+ditunjukkan+pada+pengamatan+hari+ke-20+yaitu+sebesar+2%2C978+mg%2Fl.+Nilai+ini+lebih+tinggi+(P%3D+0%2C009)+dibandingkan+perlakuan+A+yaitu+sebesar+1%2C529+mg%2Fl%2C+hal+ini+diketahui+karena+perlakuan+B+tidak+diberikan+bakteri+nitrifikasi%2C+akibatnya+proses+nitrifikasi+pada+perlakuan+B+lebih+lambat.+Penambahan+bakteri+nitrifikasi%2C+Nitrosomonas+sp.+dan+Nitrobacter+sp.+terbukti+mampu+mengurangi+kosentrasi+amoniak+pada+media+pemeliharan.+Penambahan+bakteri+nitrifikasi+juga+mampu+memperbaiki+kualitas+air+dan+meningkatkan+nafsu+makan+ikan+sehingga+mempercepat+laju+pertumbuhan+dan+meningkatkan+kelangsungan+hidup+ikan+gurami.%0D%0A%0D%0AKata+Kunci%09%3A+Ikan+gurami%2C+bakteri+nitrifikasi%2C+kualitas+air%2C+amoniak%2C+pertumbuhan.++%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AAbstrak+Bahasa+Inggris%3A%0D%0A%0D%0AAPPLICATION+OF+NITRIFYING+BACTERIA+IN+BIOFILTER%0D%0AFOR+AMMONIA+REDUCTION+AND+GROWTH+PERFORMANCE+OF+GIANT+GOURAMI+FRY+(Osphronemus+gouramy)%0D%0A%0D%0ABy%0D%0A%0D%0ADIO+SANDI+KISWARA%0D%0A%0D%0AThe+consumption+of+giant+gourami+(Osphronemus+gouramy)+in+Indonesia+increased+in+2007+up+to+35%2C708+tonnes+and+in+2011+increased+to+59%2C401+tonnes.+Increasing+the+production+of+gourami+can+be+done+by+improving+water+quality+of+culture+media.+Cultivation+of+gourami+using+a+recirculation+system+and+the+addition+of+the+biological+filter+using+nitrifying+bacteria+is+an+effort+to+maintain+water+quality.+The+bacteria+serve+as+decomposers+of+ammonia+(NH3)+generated+from+metabolic+waste.+The+research+design+that+has+been+done+were+using+two+treatments+with+three+replications.+The+parameters+observed+in+this+study+were+growth%2C+water+quality+(ammonia%2C+nitrite%2C+nitrate%2C+temperature%2C+pH%2C+dissolved+oxygen)%2C+survival+rate%2C+and+FCR.+The+results+showed+that+low+concentration+of+ammonia+in+the+treatment+A+was+assumed+because+of+the+nitrifying+process.+The+highest+ammonia+content+in+treatment+B+shown+on+the+20th+day+of+observation+that+was+equal+to+2%2C978+mg%2Fl.+This+value+was+higher+(P+%3D+0.009)+than+treatment+A+(1%2C529+mg%2Fl).+Nitrifying+bacteria+was+not+given+in+treatment+B.+Consequently%2C+the+nitrification+in+treatment+B+was+slower.+The+addition+of+nitrifying+bacteria%2C+Nitrosomonas+sp.+and+Nitrobacter+sp.+has+proven+the+ability+to+reduce+the+concentration+of+ammonia+in+the+culture+media.+The+addition+of+nitrifying+bacteria+was+also+capable+to+improve+water+quality+and+increase+the+appetite+of+fish+therefore+accelerating+growth+and+improving+the+survival+rate+of+gourami.%0D%0A%0D%0A%0D%0AKeywords%3A+Gourami%2C+nitrifying+bacteria%2C+water+quality%2C+ammonia%2C+growth.%0D%0A+%0D%0A%0D%0A&rft.publisher=Fakultas+Pertanian&rft.date=2015-04-23&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F10257%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F10257%2F2%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F10257%2F3%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F10257%2F4%2FMENYETUJUI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F10257%2F5%2FMENGESAHKAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F10257%2F6%2FSURAT%2520PERNYATAAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F10257%2F7%2FRIWAYAT%2520HIDUP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