?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+SUPLEMENTASI+Ulva+sp.+DALAM+PAKAN+TERHADAP+KETAHANAN+TUBUH+IKAN+NILA+GIFT+(Oreochromis+sp.)+YANG+DIINFEKSI+Streptococcus+iniae%0D%0A&rft.creator=Winda+Rohaila+Sari%2C+1014111020&rft.subject=+&rft.description=Ikan+nila+GIFT+merupakan+salah+satu+jenis+ikan+nila+yang+mempunyai+nilai+ekonomis+tinggi+dan+merupakan+komoditas+penting+dalam+bisnis+ikan+air+tawar+dunia.+Penyakit+Streptococcosis+dilaporkan+telah+banyak+menimbulkan+kerugian+pada+sistem+budidaya+ikan+nila.+Penyebab+penyakit+tersebut+adalah+bakteri+Streptococcus+iniae.+Upaya+pengendalian+penyakit+yang+dilakukan+biasanya+dengan+menggunakan+obat%E2%80%93+obatan%2C+namun+dapat+berdampak+negatif+terhadap+ikan+apabila+terus+menerus+digunakan%2C+sehingga+diadakan+pendekatan+lain+untuk+melihat+kemampuan+suatu+bahan+alami+dalam+meningkatkan+ketahanan+tubuh+ikan+nila+terhadap+penyakit+Streptococcosis+menggunakan+rumput+laut+Ulva+sp.+Tujuan+dari+penelitian+ini+adalah+mempelajari+pengaruh+Ulva+sp.+sebagai+suplemen+pakan+ikan+dengan+konsentrasi+yang+berbeda+dan+mengetahui+konsentrasi+Ulva+sp.+yang+tepat+dalam+mempengaruhi+pengendalian+bakteri+S.+iniae.+Penelitian+telah+dilaksanakan+pada+bulan+Mei-Juni+2014+di+Laboratorium+Budidaya+Perairan+Fakultas+Pertanian+Universitas+Lampung.+Model+rancangan+yang+digunakan+adalah+RAL+dengan+perlakuan+penambahan+Ulva+sp.+(0%25%2Fkg+pakan%3B+4%25%2Fkg+pakan%3B+8%25%2Fkg+pakan%3B+12%2Fkg+pakan%3B+16%2Fkg+pakan)+dan+3+ulangan.+Hasil+penelitian+menunjukkan+bahwa+penambahan+Ulva+sp.+dalam+pakan+berpengaruh+nyata+terhadap+peningkatan+respon+imun+ikan+nila.+Dosis+terbaik+suplementasi+Ulva+sp.+dalam+pakan+yaitu+penambahan+4%25+Ulva+sp.+yang+efektif+sebagai+imunostimulan+yang+dilihat+dari+total+leukosit%2C+persentase+limfosit+dan+aktifitas+fagositosis+tertinggi.%0D%0A%0D%0AKata+kunci+%3A+ikan+nila%2C+Streptococcosis%2C+Ulva+sp.%2C+Streptococcus+iniae%2C+respon+imun%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AGIFT+tilapia+is+one+of+type+tilapia+which+have+high+economic+value+and+important+commodities+in+world+freshwater+fish+business.+Streptococcosis+disease+is+reported+generating+a+lot+of+losses+in+tilapia+fish+farming+system.+The+cause+of+that+disease+is+bacterium+Streptococcus+iniae.+Disease+control+efforts+are+carried+out+usually+by+using+drug%2C+but+it+has+negative+impact+to+fish+if+used+continuously%2C+so+another+approach+was+held+to+see+the+ability+of+a+natural+ingredient+improving+tilapia%E2%80%99s+body+resistance+to+disease+Streptococcosis+using+seaweed+Ulva+sp.+The+aims+of+this+research+were+to+study+the+effect+of+Ulva+sp.+as+fish+feed+supplements+with+different+concentrations+and+to+know+the+best+concentration+of+Ulva+sp.+to+control+of+S.+iniae.+The+research+was+conducted+from+May+to+June+2014%2C+in+Laboratory+of+Fisheries+Culture+Faculty+of+Agriculture+University+of+Lampung.+The+model+used+was+Completely+Randomize+Design+(CRD)+with+addition+Ulva+sp.+treatments+(0%25%2Fkg+of+feed%3B+4%25%2Fkg+of+feed%3B+8%25%2Fkg+of+feed%3B+12%25%2Fkg+of+feed%3B+16%25%2Fkg+feed)+and+3+replications.+The+results+showed+that+the+addition+of+Ulva+sp.+in+feed+significantly+affected+to+increase+immune+response+of+tilapia.+The+best+doses+of+supplementation+of+Ulva+sp.+was+the+addition+of+4%25+Ulva+sp.+which+effective+as+immunostimulant++that+has+been+seen+from+highest+total+leukocyte%2C+lymphocyte+percentage+and+phagocytic+activity.%0D%0A%0D%0AKeywords+%3A+tilapia%2C+Streptococcosis%2C+Ulva+sp.%2C+S.+iniae%2C+immune+response%0D%0A%0D%0A&rft.publisher=Fakultas+Pertanian&rft.date=2014-09-26&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4360%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4360%2F2%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4360%2F3%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4360%2F5%2FLEMBAR%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4360%2F6%2FLEMBAR%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4360%2F7%2FLEMBAR%2520PERNYATAAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4360%2F8%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4360%2F9%2FPERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4360%2F10%2FMOTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4360%2F11%2FSANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4360%2F12%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4360%2F13%2FDAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4360%2F14%2FDAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%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