?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+PEMBERIAN+BAKTERI+Bacillus+polymyxa+YANG+DICAMPUR%0D%0ADALAM+PAKAN+TERHADAP+PERTUMBUHAN%0D%0AUDANG+PUTIH+Litopenaeus+vannamei+(Bone%2C+1972)&rft.creator=Rizka+Helisia+Putri%2C+1314111047&rft.subject=Budidaya+.+Perikanan+.+Angling&rft.description=Pakan+merupakan+unsur+penting+dalam+kegiatan+budidaya+yang+menunjang%0D%0Apertumbuhan+dan+kelangsungan+hidup+budidaya.Salah+satu+cara+untuk+meningkatkan%0D%0Akecernaan+pakan+pada+udang+putih+yaitu+dengan+penambahan+probiotik.Bakteri%0D%0ABacillus+polymyxa+merupakan+bakteri+gram+positif%2C+tidak+bersifat+patogen+sehingga%0D%0Aberpotensi+untuk+dikembangkan+menjadi+probiotik%2C+dapat+membantu+proses+fiksasi%0D%0Anitrogen+dan+mampu+memproduksi+zat+polimiksin+sebagai+antibiotik.+Tujuan%0D%0APenelitian+ini+untuk+mengetahui+penggunaan+dosis+Bakteri+B.+polymyxa+yang+tepat%0D%0Abagi+pertumbuhan+dan+kelulushidupan+udang+putih.+Penelitian+dilaksanakan+pada%0D%0Abulan+Febuari+%E2%80%93+Maret+2017%2C+bertempat+di+Laboratorium+Budidaya+Perairan+Fakultas%0D%0APertanian%2C+Universitas+Lampung.+Penelitian+menggunakan+4+perlakuan+dan+3+ulangan%0D%0Ayaitu+A+(kontrol)%2C+B+(pemberian+bakteri+B.+polymyxa+10+ml+x+106+CFU%2Fml+%2Fkg+pakan+)%2C%0D%0AC+(pemberian+bakteri+B.+polymyxa+20+ml+x+106+CFU%2Fml+%2Fkg+pakan)%2C+dan+D+(10+ml+x%0D%0A106+CFU%2Fml+%2Fkg+pakan).+Parameter+yang+diamati+adalah+pertumbuhan+dan%0D%0Akelulushidupan+udang+putih+serta+parameter+pendukung+yaitu+kualitas+air.+Hasil%0D%0Apenelitian+menunjukkan+pemberian+Bakteri+B.+polymyxa+dengan+dosis+30+ml%2Fkg+pakan%0D%0Ax+106+CFU%2Fml+merupakan+dosis+terbaik+dan+menghasilkan+nilai+tertinggi+bagi%0D%0Apertumbuhan+sebesar+1%2C76%C2%B10%2C01+g+dan+kelulushidupan+sebesar+87%2C06%C2%B14%2C04+%25.%0D%0AKata+Kunci+%3A+Pertumbuhan%2C+Kelulushidupan%2C+Probiotik%2C+Bakteri+B.+polymyxa%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AFeedis+a+crucial+element+in+shrimp+cultivation+supporting+the+growth+and+survival+of%0D%0Ashrimp+ponds.+Adding+probiotics+will+increase+the+digestibility+of+white+shrimp%0D%0Acontent.+A+Probiotic+bacterium+has+a+mechanism+in+producing+some+enzymes+such+as%0D%0Aamylase%2C+protease%2C+lipase%2C+and+cellulose.+Bacillus+polymyxa+bacteria+is+positive-gram%0D%0Abacteria+which+is+non-pathogenic.+It+is+potentially+transformed+into+Probiotic+in%0D%0Ashrimp+pond+system.+Bacillus+polymyxa+supports+the+nitrogen+fixation+and+produces%0D%0Apolymyxin+as+antibiotic.+This+research+goal+was+to+study+the+effect+Bacillus+polymyxa%0D%0Aon+feed+toward+white+shrimp%E2%80%99s+growth+and+survival+rate.+The+research+was+carried+out%0D%0Ain+February+-+March+2017%2C+at+Fishery+Aquaculture+Laboratory%2C+Aquaculture+Study%0D%0AProgram+of+Agriculture+Faculty%2C+University+of+Lampung.+This+research+consisted+of+4%0D%0Atreatments%2C+namely+treatment+A+(control)%2C+B+(the+use+of+B.+polymyxa+bacteria+10+ml+x%0D%0A106+CFU%2Fml+%2F+kg+feed)%2C+C+(the+use+of+B.+polymyxa+bacteria+20+ml+x+106+CFU%2Fml+%2F+kg%0D%0Afeed)+And+D+(the+use+of+B.+polymyxa+bacteria+10+ml+x+106+CFU%2Fml+%2F+kg+feed)%2C+which%0D%0Aeach+treatments+consisted+of+3+replications.+Observed+parameters+were+absolute%0D%0Agrowth+and+survival+rate+of+white+shrimp+andthe+water+qualities.+Result+showed+that%0D%0Acultured+in+treatment+with+doses+B.+polymyxa+bacteria+of+30+ml+x+106+CFU%2Fml+%2F+kg+of%0D%0Afeed+is+the+best+dose+giving+average+absolute+growth+value+of+1%2C76+g+and+average%0D%0Asurvival+rate+value+of+87%2C6%25.%0D%0AKeywords%3A+Growth%2C+Survival+rate%2C+Probiotic%2CB.+polymyxa+Bacteria&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2017-06-12&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F27777%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F27777%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F27777%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Rizka+Helisia+Putri%2C+1314111047++(2017)+PENGARUH+PEMBERIAN+BAKTERI+Bacillus+polymyxa+YANG+DICAMPUR+DALAM+PAKAN+TERHADAP+PERTUMBUHAN+UDANG+PUTIH+Litopenaeus+vannamei+(Bone%2C+1972).++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F27777%2F