Pengaruh Substitusi Amtabis yang Difermentasi dengan Aspergillus Niger terhadap Performa Ayam Broiler
Abstrak: Penelitian initelah dilakukan di Laboratorium Lapangan Peternakan Fakultas Pertanian Universitas Syiah Kuala yang berlokasi di Darussalam Banda Aceh sejaktanggal 4 Desember 2015 sampai dengan tanggal 9 Januari 2016. Tujuan penelitian adalah untuk mengetahui pengaruh subtitusi Amtabisterhadap performa ayam broiler yang meliputi pertambahan berat badan, konsumsi pakan dan feed conversion ratio. Parameter yang diamati meliputi konsumsi ransum, pertambahan berat badan, konversi ransum dan efisiensi ransum. Hasil penelitian menunjukkan bahwa substitusi Amtabis dalam ransum komersial pada level yang berbeda selama perlakuan berpengaruh nyata (P0,05) terhadap pertambahan berat badan, namun tidak menunjukkan perbedaan yang nyata (P0,05) terhadap konsumsi pakan, rasio konversi pakan dan efisiensi pakan.Terjadinya penurunan performa broiler dengan pemberian Amtabis kemungkinan disebabkan karena ketidak seimbangan kandungan nutrisi dalam ransum akibat penambahan Amtabis dalam pakan komersil. The Effect of Substitution Fermented Amtabis with Aspergillus Niger on Broiler Performance Abstrack: Study on the effect of substitution fermented Amtabis with Aspergillus niger on broiler performance was conducted at Experimental Farm Laboratory, Animal Husbandry Department, Syiah Kuala University Darussalam Banda Aceh from 4 December 2015 to 9 January 2016. The purposes of this study was to evaluate substitution of fermented Amtabis with commercial broiler on broiler performance including body weight, feed consumption and feed conversion ratio. Parameters which were observed in this study were body weight, feed consumption and feed conversion ratio. The results on the study indicate that substitution of Amtabis in commercial feed significantly effected (P0,05)on body weight, but had no significantly effect (P0,05)on feed consumption, feed conversion ratio and feed efficiency.Decreasing of performance broiler by substitution Amtabis in the commercial feed was probably caused by imbalance of nutritive feed formulation after Amtabis substitution