Judul: Komposisi Jaringan pada Potongan Komersial Karkas Domba Garut dan Ekor Tipis Umur Sebelas Bulan dengan Ransum Penggemukkan Mengandung Indigofera sp.
Abstrak: Garut and Thin Tailed sheep are categorized as small ruminant animal. They are potential as meat producers. The aim of this research was to examine differences in tissue composition of commercial cuts from garut and Thin Tailed sheep aged 11 months and fattened on ration containing Indigofera sp. The study used four garut and four Thin Tailed sheep with initial body weight of 14,9 ± 1,1 kg and 13,6 ± 0,6 kg respectively (CV=10,14%). The experiment was set up ini completely randomized design. The animals were intensively fattened for three months in individual cages. They were fed ad libitum with pelleted ration contained Indigofera sp.. The sheep were slaughtered, dressed, and the chilled carcasses were cutted into seven commercial cuts and each cuts were dissecsed into muscle, fat, and bone. The results showed that there were no significantly differences in carcass muscle and bone weight, but carcass fat weight. Garut sheep had significantly (P<0,05) lower fat weight in the carcass compare to Thin Tailed sheep. The differences occured primaly in shoulder, loin, breast, and leg cuts. However on percentage bases, there were significant (P<0,05) between breed differences in carcass compotition. The garut sheep carcass contained significantly more muscle and bone, but less fat than those of Thin Tailed sheep.
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Judul: Komposisi Potongan Komersial Karkas Domba Garut Umur Sebelas Bulan dengan Ransum Penggemukan Mengandung Limbah Tauge dan Indigofera sp.
Abstrak: Lamb is a small ruminant which produces meat for human consumption. The purpose of this study was to examine the influence of ration on carcass characteristics and composition. Eleven male Garut lambs of eight month old were used in the study. They were divided into two groups and given ration containing mung bean waste and Indigofera sp. respectively and fattened for three months. Parameter observed include carcass characteristics, carcass tissue component and distribution within commercial cuts. The result showed the Garut lamb that was given difference ration containing was significantly higher (P<0,05) to slaughter weight, empty body weight, carcass weight, percentage of carcass compared to that fed on ration containing Indigofera sp. Carcass tissue composition include meat and bone weight of Garut lamb fed on mung bean waste ration containing significantly (P<0,05) hevier compared to that fed on Indigofera sp. Meat and bone in carcass tissue distribution within commercial cuts was significantly different, it can be seen from rack, leg, breast, and shank cut
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Judul: Pembuatan Film Tipis Lithium Niobat (LiNbO3) Menggunakan Metode Chemical Solution Deposition (CSD) dengan Variasi Kecepatan Putar (Rpm).
Abstrak: Film tipis merupakan salah satu aspek yang mendapat perhatian sangat besar dalam bidang material, karena film tipis merupakan material menarik yang memiliki sifat optik yang sangat tergantung pada konstanta dielektrik, indeks bias, dan energi gap. Lithium Niobat (LiNbO3 ) dapat digunakan sebagai pelapis pada film tipis karena memiliki sifat piezoelektrik, electrooptical, pyroelectrical dan photorefractive yang sangat baik. Film tipis Lithium Niobat (LiNbO3 ) ditumbuhkan menggunakan metode Chemical Solution Deposition (CSD) dengan variasi kecepatan 3500 rpm, 5000 rpm, 6500 rpm, dan 8000 rpm. Metode ini memiliki keunggulan dapat mengontrol stokiometri film tipis dengan kualitas yang baik, prosedur yang mudah dan membutukan biaya yang relatif murah. Energi band gap yang dihasilkan dari film tipis Lithium Niobat (LiNbO3) berkisar antara rentang 2.1 eV – 2.8 eV dengan indeks bias berada pada rentang 2.18-3.2. Film tipis LiNbO3 memiliki parameter kisi a=b=5.54Ǻ dan c = 16.35 Ǻ. Struktur morfologi film tipis adalah permukaan yang homogen dan ukuran kristal berada pada rentang 0.417 μm – 0.680 μm.
Keyword: sifat optik, litium niobat, chemical solution deposition, kecepatan putar