Abstract
(Protein concentrate substitution using feather meal processed by physico-chemistry and fermentatio)ABSTRACT. The objective of this research was to evaluate the effect of protein concentrate substitution using processed feather meal in growing layer-ration. Chicken feather meal was processed by physico-chemical techniques viz.soaking in 0.5% (b/v) NaOH and Na2S at 60°C and continued by fermentation using Bacillus sp. MTS. The method was experimental method with a Completely Randomized Design with five treatments that replicated for four times. The treatments tested was level of concentrate substitution i.e. 0, 4, 8, 12 and 16%. Protein concentrate substitution had no significantly effect (P 0.05) on growth, feed consumption and convertion of growing layer. Keratin meal from chicken feather can be applied in growing layer-ration 16% respectively or substitute the protein concentrate as much as 53%.
Highlights
The objective of this research was to evaluate the effect of protein concentrate substitution using processed feather meal in growing layer-ration
Chicken feather meal was processed by physico-chemical techniques viz.soaking in
Completely Randomized Design with five treatments that replicated for four times
Summary
Materi Kandang pemeliharaan sebanyak 20 petak dan setiap petak diisi 3 ekor ayam petelur, sehingga terdapat DOC (day old chick) sebanyak 60 ekor. Komposisi pakan penelitian yang digunakan dapat dilihat pada Tabel 1. Penelitian dilaksanakan secara eksperimental menggunakan Rancangan Acak Lengkap dengan 5 perlakuan dan 4 ulangan. Sebagai perlakuan adalah taraf penggantian konsentrat ayam starter (Charoen pokphand) oleh tepung keratin yaitu 0, 4, 8, 12, dan 16% Setiap ulangan terdiri dari 3 ekor yang dipelihara selama 8 minggu (dua bulan)
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