?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PERFORMA+PERTUMBUHAN+DAN+SEKSUAL+DIMORFISME%0D%0ACALON+INDUK+IKAN+GABUS+Channa+striata+(Bloch%2C+1793)+DENGAN%0D%0APEMBERIAN+BOOSTER+HORMON+PERTUMBUHAN+REKOMBINAN&rft.creator=asep+aisyidiqqia+marta%2C+1514111307&rft.subject=630+Pertanian+dan+teknologi+yang+berkaitan&rft.description=Pengembangan+budidaya+gabus+masih+mengalami+kendala+pada+aspek+partumbuh-%0D%0Aan+yang+lambat+dan+terbatasnya+informasi+mengenai+aspek+seksual+dimorfisme.%0D%0A%0D%0AHormon+pertumbuhan+rekombinan+kerapu+kertang+(r-ElGH)+diberikan+pada+larva%2C%0D%0Adan+diberikan+kembali+(booster)+calon+induk+gabus.+Tujuan+penelitian+ini+adalah%0D%0Auntuk+mempelajari+pengaruh+perlakuan+terhadap+pertumbuhan+berat+mutlak%2C+laju%0D%0Apertumbuhan+spesifik%2C+hubungan+panjang+berat+dan+pertumbuhan+panjang+mutlak%0D%0A%0D%0Aserta+seksul+dimorfisme+berdasarkan+karakteristik+morfometrik+dan+meristik.+Pe-%0D%0Anelitian+ini+dilakukan+di+Laboratorium+Budidaya+Perikanan%2C+Jurusan+Perikanan%0D%0A%0D%0Adan+Kelautan+Universitas+Lampung.+Perlakuan+disusun+menggunakan+rancangan%0D%0Aacak+lengkap+(RAL)+dengan+tiga+ulangan%2C+terdiri+atas+perlakuan+diberikan+pada%0D%0A%0D%0Astadia+larva+saja+(non+booster)+yaitu+tanpa+kejut+salinitas+dan+tanpa+perlakuan+hor-%0D%0Amon+(A)%2C+perlakuan+dengan+kejut+salinitas+dan+r-ElGH+dosis+0+mg%2Fl%2C+(B)%2C+2+mg%2Fl%0D%0A%0D%0A(C)%2C+dan+20+mg%2Fl+(D)+sedangkan+perlakuan+booster+r-ElGH+diujikan+dengan+dosis%0D%0A3+mg%2Fkg+pakan+(E)%2C+BSA+0%2C1+g%2Fkg+(F)%2C+10+mg%2Fkg+pakan+(G)%2C+dan+30+mg%2Fkg+pakan%0D%0A%0D%0A(H).+Data+pertumbuhan+dianalisis+ragam+dan+uji+lanjut+Duncan+pada+taraf+5%25%2C+se-%0D%0Adangkan+data+seksual+dimorfisme+dianalisis+diskriminan.+Hasil+penelitian+menun-%0D%0Ajukkan+bahwa+booster+r-ElGH+berpengaruh+nyata+terhadap+pertumbuhan+berat%0D%0A%0D%0Amutlak%2C+laju+pertumbuhan+spesifik%2C+dan+dimorfisme+seksual+namun+tidak+berpe-%0D%0Angaruh+nyata+terhadap+pertumbuhan+panjang+mutlak.+Gabus+pada+penelitian+ini%0D%0A%0D%0Amemiliki+pola+pertumbuhan+alometrik+positif+(b+%3D+3%2C39).+Laju+pertumbuhan+me-%0D%0Aningkat+secara+signifikan+sebesar+0%2C37%25+pada+P3+dengan+dosis+3+mg%2Fkg+pakan.%0D%0A%0D%0AKarakter+morfometrik+yang+mampu+membedakan+dimorfisme+seksual+yaitu+nilai%0D%0Ajarak+antara+jarak+ujung+mulut+hingga+pangkal+sirip+dubur+pada+perlakuan+F+dan%0D%0AH%2C+sedangkan+karakter+meristik+yang+mampu+membedakan+dimorfisme+seksual%0D%0Ayaitu+nilai+jumlah+jari-jari+sirip+dada+(kanan)+pada+perlakuan+E.%0D%0AKata+Kunci%3A+booster%2C+calon+induk+gabus%2C+dimorfisme+seksual%2C+pertumbuhan%2C%0D%0A%0D%0Ar-ElGH.%0D%0AThe+development+of+snakehead+cultivation+is+still+experiencing+problems+with+as-%0D%0Apects+of+slow+growth+and+limited+information+regarding+aspects+of+sexual+dimor-%0D%0Aphism.+The+recombinant+giant+grouper+growth+hormone+(r-ElGH)+was+in+the+lar-%0D%0Avae+stage+and+added+once+more+(booster)+to+snakehead+broodstock.+The+study%0D%0A%0D%0Aaims+were+to+investigate+effect+of+these+threatments+on+absolute+body+growth%2C+spe-%0D%0Acific+growth+rate%2C+relationship+between+absolute+body+length+and+absolute+body%0D%0A%0D%0Aweight%2C+and+to+observe+the+sexual+dimorphism+based+on+morphometric+and+meris-%0D%0Atic+characteristics.+This+research+was+conducted+at+the+Aquaculture+Laboratory%2C%0D%0A%0D%0ADepartment+of+Fisheries+and+Marine+Sciences%2C+University+of+Lampung.+Treat-%0D%0Aments+arranged+using+a+completely+randomized+design+(CRD)+with+three+replica-%0D%0Ations%2C+consisted+of+non-booster+treatments%2C+namely+without+salinity+shock+and%0D%0A%0D%0Awithout+hormone+treatment+(A)%2C+treatment+with+0+mg%2Fl%2C+(B)%2C+2+mg%2Fl+(C)+and+20%0D%0Amg%2Fl+(D)+salinity+shock+treatments.+Booster+thetreatment+at+a+dose+of+3+mg%2Fkg+feed%0D%0A(E)%2C+BSA+0.1+g%2Fkg(F)%2C+10+mg%2Fkg+feed+(G)%2C+and+30+mg%2Fkg+feed+(H).+Growth+data%0D%0Awere+analyzed+for+variance+and+post+hoc+test+was+at+the+5%25+level%2C+while+sexual%0D%0Adimorphism+data+were+analyzed+discriminantly.+The+results+showed+that+booster%0D%0Ar-ElGH+significantly+affect+the+growth+of+absolute+weight%2C+specific+growth+rate%2C%0D%0Aand+sexual+dimorphism+yet+no+significant+effect+on+the+growth+of+absolute+length.%0D%0AThe+snakehead+in+this+study+had+a+growth+pattern+positive+allometric+(b+%3D+3.39).%0D%0AThe+growth+rate+increased+significantly+by+0.37%25+at+P3+with+a+dose+of+3+mg%2Fkg%0D%0Afeed.+The+morphometric+character+that+was+able+to+distinguish+sexual+dimorphism%0D%0Awas+the+value+of+the+distance+between+the+tip+of+the+mouth+to+the+base+of+the+anal%0D%0Afin+in+treatment+F+and+H%2C+While+the+meristic+character+that+was+able+to+distinguish%0D%0Asexual+dimorphism+was+the+quantity+value+of+pectoral+fin+rays+in+treatment+E.%0D%0A%0D%0AKeywords%3A+Booster%2C+snakehead+broodstock%2C+sexual+dimorphism%2C+growth%2C+recombi-%0D%0Anant+growth+hormone&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2021&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6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