?url_ver=Z39.88-2004&rft_id=1654111016&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENCEGAHAN+KANIBALISME+PADA+JUVENIL+GABUS+Channa+striata%0D%0A(Bloch%2C+1793)+MELALUI+KOMBINASI+SUPLEMENTASI+ESTRADIOL-17%CE%B2%0D%0ADAN+DENSITAS+BERBEDA&rft.creator=UTAMA%2C+HERDIAN+TIRTA+&rft.subject=630+Pertanian+dan+teknologi+yang+berkaitan&rft.description=Ikan+gabus+(Channa+striata)+merupakan+salah+satu+komoditas+ikan+air+tawar+yang%0D%0Ahidup+tersebar+hampir+di+seluruh+perairan+Indonesia.+Masalah+dalam+budidaya%0D%0Aikan+gabus+yaitu+tingginya+kanibalisme+pada+fase+pembenihan%2C+sehingga+perlu%0D%0Adilakukan+upaya+untuk+menurunkan+tingkat+kanibalisme+pada+fase+juvenil.+Pene-%0D%0Alitian+ini+bertujuan+untuk+mengevaluasi+kombinasi+pemberian+hormon+estradiol-%0D%0A17%CE%B2+dan+densitas+ikan+dalam+menurunkan+kanibalisme+pada+juvenile+ikan+gabus.%0D%0APenelitian+ini+menggunakan+faktorial+RAL+(rancangan+acak+lengkap)+dengan+6%0D%0Aperlakuan.+Perlakuan+kombinasi+pemberian+hormon+Estradiol-17%CE%B2+(E)+dengan%0D%0Adensitas+(D)+(E+mg%2Fkg+ikan%2B+D+ekor%2Fl)+meliputi%3B+(0%2B2%2C+E1D1)%3B+(30%2B2%2C+E2D1)%3B%0D%0A(60%2B2%2C+E3D1)%3B+(0%2B4%2C+E1D2)%3B+(30%2B4%2C+E2D2)%3B+dan+(60%2B4%2C+E3D2)+masing-masing+3%0D%0Akali+ulangan.+Ikan+dipelihara+selama+30+hari+dan+pengambilan+sampel+dilakukan%0D%0Aseminggu+sekali+untuk+menghitung+parameter.+Hasil+yang+diperoleh+yaitu+terdapat%0D%0Ainteraksi+kombinasi+pemberian+hormon+estradiol-17%CE%B2+dan+densitas+pada+parameter%0D%0Akanibalisme+tipe+I+(persentase+terendah+pada+perlakuan+E2D1+minggu+ke-1)%2C+kani-%0D%0Abalisme+tipe+II+(persentase+terendah+pada+perlakuan+E1D1+minggu+ke-3)%2C+mortali-%0D%0Atas+(persentase+terendah+pada+perlakuan+E1D1+dan+E2D1+minggu+ke-4)%2C+dan+ke-%0D%0Amatian+akibat+faktor+lain+(persentase+terendah+pada+perlakuan+E3D2+minggu+ke-%0D%0A4).+Dosis+pemberian+hormon+estradiol-17%CE%B2+perlu+dikaji+lagi+untuk+mendapatkan%0D%0Adosis+terbaik.%0D%0AKata+Kunci%3A+Estradiol-17%CE%B2%2C+densitas%2C+juvenil+gabus%2C+kanibalisme%0D%0A%0D%0ASnakehead+(Channa+striata)+is+one+of+the+freshwater+fish+commodities+that+live+in%0D%0Aalmost+all+Indonesian+waters.+The+problem+in+the+cultivation+of+snakehead+is+the%0D%0Ahigh+cannibalism+in+the+hatchery+phase%2C+so+it+is+necessary+to+make+an+effort+to%0D%0Areduce+the+level+of+cannibalism+in+juveniles+of+snakehead.+This+study+aimed+to%0D%0Aevaluate+the+combination+of+the+hormone+estradiol-17%CE%B2+and+fish+density+in+reduc-%0D%0Aing+cannibalism+in+juveniles+of+snakehead.+This+study+used+CRD+factorial+(com-%0D%0Apletely+randomized+design)+with+6+treatments.+The+treatment+was+a+combination+of%0D%0Athe+hormone+estradiol-17%CE%B2+(E)+with+density+(D)+(E+mg%2Fkg+fish+%2B+D+fish%2Fl)%3B+(0%2B2%2C%0D%0AE1D1)%3B+(30%2B2%2C+E2D1)%3B+(60%2B2%2C+E3D1)%3B+(0%2B4%2C+E1D2)%3B+(30%2B4%2C+E2D2)%3B+and+(60%2B4%2C%0D%0AE3D2)+each+with+triplicate.+Fish+were+reared+for+30+days+and+sampling+was+con-%0D%0Aducted+once+a+week.+The+results+showed+that+there+was+an+interaction+between+the%0D%0Aoral+administration+of+the+hormone+estradiol+17%CE%B2+and+the+density+on+the+parameters%0D%0Aof+type+I+cannibalism+(lowest+percentage+in+the+1st+week+of+E2D1+treatment)%2C+type%0D%0AII+cannibalism+(lowest+percentage+of+3rd+week+of+E1D1+treatment)%2C+mortality%0D%0A(lowest+percentage+in+the+4th+week+of+E1D1+and+E2D1+treatment)%2C+and+mortality%0D%0Adue+to+the+other+factors+(The+lowest+percentage+was+at+the+4th+week+of+E3D2%0D%0Atreatment).+The+additional+of+the+hormone+estradiol-17%CE%B2+needs+to+be+reviewed%0D%0Ausing+a+dose+that+is+not+too+high+to+get+the+best+dose.%0D%0AKeywords%3A+cannibalism%2C+density%2C+Estradiol-17%CE%B2%2C+snakehead+juveniles&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2022-01-19&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65181%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65181%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65181%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++UTAMA%2C+HERDIAN+TIRTA+++(2022)+PENCEGAHAN+KANIBALISME+PADA+JUVENIL+GABUS+Channa+striata+(Bloch%2C+1793)+MELALUI+KOMBINASI+SUPLEMENTASI+ESTRADIOL-17%CE%B2+DAN+DENSITAS+BERBEDA.++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F65181%2F