Potential and utilization of Indigofera sp shoot leaf meal as soybean meal substitution in laying hen diets

Abstract

Palupi R, Abdullah L, Astuti DA, Sumiati. 2014.. Potential and utilization of Indigofera sp. shoot leaf meal as soybean meal substitution in laying hen diets. JITV 19(3):210-219. DOI: http://dx.doi.org/10.14334/jitv.v19i3.1084The objective of this study was to determine the potential of Indigofera sp. shoot leaf meal to substitute soybean meal in poultry diet. One hundred and sixty laying hens of Isa Brown strain, at 30 weeks old were used in this study and kept in individual cages. A Randomized Completely Design was applied with four treatments and four replications. The treatments were four levels of soybean meal protein substitution by Indigofera sp shoot meal protein in the diets: The level were 0% (R0), 15% (R1), 30% (R2) and 45% (R3). Eggs were collected daily and were evaluated on: weight, shell, albumen, yolk, intensity of yolk and haugh unit. Results showed that the nutrients content of Indigofera sp shoot leaf meal were crude protein 28.98%, crude fat 3.30%, crude fiber 8.49%, calcium 0.52% and phosphorus content was 0.34%. Indigofera sp shoot leaf meal contained a complete amino acids. The vitamin A and ß-carotene were high, i.e 3828.79 IU/100g and 507.6 mg/kg, respectively. It is concluded that Indigofera sp shoot leaf meal is potential to be used as an alternative source of protein. Substitute 45% soybean meal protein with Indigofera sp shoot leaf meal in laying hen diets increase egg quality and increase intensity of yolk colour to 55.88%. Penelitian ini bertujuan untuk mengetahui potensi nutrien yang dimiliki tepung pucuk Indigofera sp. (TPI) dan memanfaatkannya sebagai bahan pakan substitusi protein bungkil kedelai dalam ransum ayam petelur. Penelitian ini menggunakan ayam petelur strain ISA Brown umur 30 minggu sebanyak 160 ekor yang ditempatkan pada kandang individu. Penelitian menggunakan Rancangan Acak Lengkap, terdiri dari 4 pelakuan dengan 4 ulangan. Perlakuan pada penelitian ini merupakan substitusi protein bungkil kedelai dengan protein TPI R0 = ransum kontrol, R1= substitusi 15% protein bungkil kedelai dengan TPI, R2 = substitusi 30% protein bungkil kedelai dengan TPI substitusi 45% protein bungkil kedelai dengan TPI. Telur dikumpulkan setiap hari untuk mendapatkan data berat telur, berat kerabang, berat putih telur, berat kuning telur, warna kuning telur dan haugh unit. Hasil evaluasi kandungan nutrien TPI adalah protein kasar 28,98%, lemak kasar 3,30 %, serat kasar 8,49%, kalsium 0,52% dan kandungan phospor 0,34%. TPI mengandung asam amino yang lengkap dan memiliki vitamin A serta ß-karoten yang tinggi, yaitu berturut-turut 3828,79 IU/100g dan 507,6 mg/kg. TPI berpotensi untuk dimanfaatkan sebagai bahan pakan sumber protein. Substitusi 45% protein bungkil kedelai dengan protein TPI dapat meningkatkan kualitas telur dan meningkatkan intensitas warna kuning telur yang mencapai 55,88%.Kata Kunci: Bungkil Kedelai, Kualitas Telur, Nutrien, Tepung Pucuk Indigofera sp. PENDAHULUANTingkat kemakmuran suatu negara ditentukan oleh beberapa faktor, antara lain: jumlah penduduk yang miskin,...

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