?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=MASKULINISASI+IKAN+RAMIREZI+(Mikrogeophagus+ramirezi)+(Myers+%26%0D%0AHarry%2C+1948)+MELALUI+PERENDAMAN+LARVA+DALAM+HORMON%0D%0A%0D%0A17%CE%B1+-METILTESTOSTERON&rft.creator=NIA+%2C+RIANTI&rft.subject=600+Teknologi+(ilmu+terapan)&rft.subject=630+Pertanian+dan+teknologi+yang+berkaitan&rft.description=Maskulinisasi+merupakan+salah+satu+cara+untuk+memproduksi+ikan+monoseks+jan-%0D%0Atan%2C+dimana+pada+ikan+ramirezi+jantan+memiliki+nilai+ekonomis+dibandingkan+de-%0D%0Angan+betina.+Teknik+ini+dapat+diterapkan+pada+saat+gonad+ikan+belum+berdiferen-%0D%0Asiasi+melalui+pemberian+hormon+17%CE%B1-metiltestosteron%2C+dimana+hormon+ini+terbukti%0D%0A%0D%0Aefektif+dalam+meningkatkan+level+testosteron+untuk+pengarahan+gonad+menjadi%0D%0A%0D%0Ajantan+dengan+cara+perendaman.+Dalam+metode+ini%2C+umur+perlu+diperhatikan+ka-%0D%0Arena+merupakan+periode+kritis+untuk+diarahkan+kelaminnya.+Tujuan+dari+penelitian%0D%0A%0D%0Aini+adalah+untuk+mengevaluasi+pengaruh+larva+dengan+umur+berbeda+pada+mas-%0D%0Akulinisasi+ikan+ramirezi+(Mikrogeophagus+ramirezi)+yang+direndam+hormon+17%CE%B1-%0D%0Ametiltestosteron.+Penelitian+berlangsung+selama+80+hari+bertempat+di+Laborato-%0D%0Arium+Budidaya+Perikanan%2C+Fakultas+Pertanian%2C+Universitas+Lampung.+Penelitian%0D%0A%0D%0Aini+menggunakan+metode+eksperimental+terdiri+dari+2+perlakuan+dan+3+ulangan%2C%0D%0Adengan+perlakuan+perendaman+larva+ikan+ramirezi+umur+berbeda+dalam+hormon%0D%0A17%CE%B1-metiltestosteron+dosis+2+mg%2FL%3B+12+hari+setelah+menetas+(A)+dan+19+hari+setelah%0D%0Amenetas+(B)%2C+perendaman+diulang+sebanyak+3+kali+saat+larva+berusia+19%2C+dan+26%0D%0A%0D%0Ahari.+Hasil+penelitian+menunjukkan+bahwa+perendaman+larva+dalam+hormon+17%CE%B1-%0D%0Ametiltestosteron+dosis+2+mg%2FL+mampu+menghasilkan+persentase+ikan+ramirezi+ja-%0D%0Antan+sebesar+55%2C56%C2%B11%2C39%25+(A)+dan+63%2C48%C2%B14%2C55%25+(B).+Oleh+karena+itu%2C+perlakuan%0D%0A%0D%0Ayang+diberikan+mampu+meningkatkan+persentase+jantan+ramirezi+dengan+umur%0D%0Aterbaik+pada+perlakuan+B+(19+hari)+setelah+menetas%2C+sehingga+dapat+digunakan%0D%0Adalam+maskulinisasi.%0D%0AKata+kunci%3A+17%CE%B1-+metiltestosteron%2C+perendaman%2C+ramirezi%0D%0A%0D%0A%0D%0AMasculinization+is+one+way+that+can+be+done+to+get+male+individuals%2C+as+male+rami-%0D%0Arezi+fish+have+economic+value+than+females.+This+technique+can+be+applied+when+the%0D%0A%0D%0Afish+gonads+are+not+yet+differentiated+through+the+application+of+the+hormone+17%CE%B1-%0D%0Amethyltestosterone%2C+which+is+proven+to+be+effective+in+increasing+testosterone+levels%0D%0A%0D%0Afor+gonadal+direction+into+males+by+immersion.+In+this+method%2C+age+of+fish+needs+to%0D%0Abe+a+major+consideration+as+it+is+a+critical+period+for+the+sex+reversal.+The+research%0D%0A%0D%0Aaimed+to+evaluate+the+effect+of+different+ages+of+larvae+on+masculinization+of+rami-%0D%0Arezi+fish+(Mikrogeophagus+ramirezi)+immersed+with+17%CE%B1-methyltestosterone.+The%0D%0A%0D%0Aresearch+lasted+for+80+days+at+the+Aquaculture+Laboratory%2C+Faculty+of+Agriculture%2C%0D%0AUniversity+of+Lampung.+This+study+used+an+experimental+method+consisting+of+2%0D%0A%0D%0Atreatments+and+3+replicates%2C+with+immersion+of+different+age+ramirezi+larvae+in+17%CE%B1-%0D%0Amethyltestosterone+hormone+at+a+dose+of+2+mg%2FL+12+days+after+hatching+(A)+and+19%0D%0A%0D%0Adays+after+hatching+(B)%2C+the+immersion+was+repeated+2+times+when+the+larvae+were%0D%0A%0D%0A19%2C+and+26+days+old.+The+results+showed+that+immersion+of+larvae+in+17%CE%B1-methyltes-%0D%0Atosterone+hormone+at+a+dose+of+2+mg%2FL+was+able+to+produce+male+ramirezi+fish+of%0D%0A%0D%0A55.56%C2%B11.39%25+(A)+and+63.48%C2%B14.55%25+(B).+Therefore%2C+the+treatment+given+was+able+to%0D%0Aincrease+the+percentage+of+male+ramirezi+with+the+best+age+in+treatment+B+(19+days)%0D%0Aafter+hatching+so+that+it+can+be+used+in+masculinization.%0D%0AKeywords%3A+17%CE%B1-+metiltestosteron%2C+immersion%2C+ramirezi%0D%0A&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2024-08-08&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84180%2F1%2FABSTRAK%2520-%2520Nia%2520Rianti.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84180%2F2%2FSKRIPSI%2520FULL%2520-%2520Nia%2520Rianti.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84180%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520Nia%2520Rianti.pdf&rft.identifier=++NIA+%2C+RIANTI++(2024)+MASKULINISASI+IKAN+RAMIREZI+(Mikrogeophagus+ramirezi)+(Myers+%26+Harry%2C+1948)+MELALUI+PERENDAMAN+LARVA+DALAM+HORMON+17%CE%B1+-METILTESTOSTERON.++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F84180%2F