Buletin Peternakan Vol. 39 (1): 17-23, Februari 2015 ISSN-0126-4400 E-ISSN-2407-876X PENGARUH PENGGUNAAN MINYAK KELAPA SAWIT DAN RUMPUT LAUT DALAM RANSUM TERHADAP PERTUMBUHAN, SERTA KOMPOSISI KARKAS DAN NON KARKAS KELINCI THE EFFECTS OF PALM OIL AND SEAWEED UTILIZATION IN DIET ON GROWTH, AND CARCASS-NON CARCASS COMPOSITION OF RABBIT Mustafidah Udkhiyati* 1 Akademi Teknologi Kulit, Yogyakarta, 55187 Submitted: 7 March 2014, Accepted: 2 January 2015 INTISARI Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan minyak kelapa sawit dan rumput laut dalam ransum kelinci terhadap pertumbuhan serta komposisi karkas dan non karkas kelinci. Materi yang digunakan adalah 28 ekor kelinci Flemish Giant jantan lepas sapih (umur ± 5 bulan) dengan rerata bobot hidup awal 1560±212 g. Kelinci dikelompokkan secara acak pada empat perlakuan dan dipelihara dalam kandang individu dengan ukuran 40x30x30 cm 3 . Ternak diberi ransum sesuai perlakuan secara ad libitum dan air minum secara bebas setiap harinya. Ransum yang diberikan sesuai dengan aras perlakuan, berturut-turut: R1 (ransum kontrol = 0% minyak kelapa sawit+0% rumput laut), R2 (5% minyak kelapa sawit+0% rumput laut), R3 (0% minyak kelapa sawit+5% rumput laut), dan R4 (2,5% minyak kelapa sawit+2,5% rumput laut). Ransum yang diberikan dalam bentuk iso-protein (15%) dan iso-fiber (17%). Pemeliharaan berlangsung selama 40 hari kemudian kelinci dipotong. Variabel yang diamati antara lain konsumsi pakan, pertambahan bobot badan harian, feed conversion ratio (FCR), serta komposisi karkas dan non karkas. Keseluruhan data yang diperoleh dianalisis menggunakan Rancangan Acak Lengkap pola searah (One Way Anova). Konsumsi pakan (gBK/ekor/hari) pada keempat kelompok perlakuan menunjukkan perbedaan yang tidak signifikan. Konsumsi pakan (g BK/kg BB) R4 lebih rendah (P<0,05) dibandingkan kelompok R1 dan R2, yakni R1 = 55,80±5,36 g, R2 = 55,20±8,04 g, R3 = 50,17±4,26 g, dan R4 = 46,25±2,21 g. Pertambahan bobot badan harian keempat kelompok perlakuan menunjukkan perbedaan yang tidak signifikan, demikian pula FCR pada keempat kelompok perlakuan menunjukkan perbedaan yang tidak nyata. FCR kelompok R1 = 9,20±3,35, R2 = 6,40±1,67, R3 = 7,17±2,23, dan R4 = 8,75±4,03. Disimpulkan bahwa penggunaan minyak kelapa sawit dan rumput laut dalam ransum kelinci tidak berpengaruh terhadap konsumsi pakan, pertambahan bobot badan harian, FCR, serta komposisi karkas dan non karkas. (Kata kunci: Feed conversion ratio, Karkas, Konsumsi pakan, Minyak kelapa sawit, Pertambahan bobot badan harian, Rumput laut) ABSTRACT The aim of this experiment was to study the effect of utilization of palm oil and seaweed in diet on rabbit growth and carcass-non carcass composition. Twenty eight male Flemish Giant rabbits (the average age were 5 months) with average initial weight 1560±212 g were used in this research. All rabbits were randomly classified in four treatment in rations, they were R1 (control treatment = 0% palm oil+0% seaweed), R2 (5% palm oil+0% seaweed), R3 (0% palm oil+5% seaweed), R4 (2.5% palm oil+2.5% seaweed). Each treatment consists of seven replications. Individual cages (size 40x30x30 cm 3 ) were used. The animals were reared during 40 days. All collected data were analyzed by One Way Anova. The results showed that feed intake (gBK/rabbit/day) of all treatment groups were not significantly different. Meanwhile, the feed intake (gBK/BW) of R4 significantly lower (P<0.05) than others, they were R1 = 55.80±5.36 g, R2 = 55.20±8.04 g, R3 = 50.17±4.26 g, R4 = 46.25±2.21 g. Average daily gain of all treatment groups were not significantly different. Feed conversion ratio of all treatment groups were also not significantly different, they were R1 = 9.20±3.35, R2 = 6.40±1.67, R3 = 7.17±2.23 and R4 = 8.75±4.03. It is concluded that the utilization of palm oil and seaweed did not affect the feed consumption, average daily gain, feed conversion ratio and carcass-non carcass composition. (Key word: Average daily gain, Carcass, Feed conversion ratio, Feed intake, Palm oil, Seaweed) ___________________________________ * Korespondensi (corresponding author): Telp. +62 838 6770 3649 E-mail: ukyfida@gmail.com 17