UTILIZING WASTE PRODUCT OF TUNA (Thunnus atlanticus) FISH SILAGE AND ITS IMPLEMENTATION ON THE MEAT PROTEIN CONVERSION OF BROILER

Tuti Widjastuti, Hendronoto Arnoldus A.W Lengkey, R. Wiradimadja, D. Herianti

Abstract
The research was held to find out the effect and optimal of adding waste product of Tuna (Thunnus atlanticus) fish silage in ration on the meat protein conversion of broiler. The research used 100 broiler day old chicken, were devided into twenty cages, and each unit cage consists of five broiler chickens. The research was conducted with experimental method of Completely Randomized Design with four treatments, where each treatment was repeated five times and each repeated consist of five broiler chicks. The treatmens consist of one ration without waste of Tuna fish silage (R₀), and each level of ration contains waste of Tuna fish silage R₁ (4%), R₂ (6%) and R₃ (8%). Variable analysis were final body weight, carcass percentage and the meat protein conversion of broiler. Conclusion of research showed that by using waste of Tuna fish silage until 4 percent level in ration had optimal response on the final body weight (R₁=1844.87 gram, R₀=1755.03 gram, R₂=1654.84 gram, R₃= 1439.53 gram), carcass percentage (R₁=72.63%, R₀=69.20%, R₂= 67.85%, R₃= 65.90%) and the meat protein conversion of broiler (R₁=0.86, R₀=0.85, R₂=0.82, R₃=0.78).

Key words: Tuna fish, silage waste, final body weight, carcass percentage, meat protein conversion