Abstract
<p>The purpose of enzymes supplementation in feeds is to improve nutrient digestibility through degradation of anti-nutrition and crude fiber, which are commonly found in rice bran. The aim of the study was to see performance response of PMp broiler ducks to the supplementation of BS4-enzyme levels in rice-bran based rations. Two hundred and twenty four day-old ducks were allocated to 8 dietary treatments with 4 replicates, consisted of 7 ducks in each replicate. The composition of the feed treatments arranged as follows: T1 to T4 were rations with 30% of rice bran content with enzyme levels of 0, 50, 100, and 150 Unit/kg rice bran respectively. T5 to T8 were rations with 60% of rice bran content with the same enzyme levels as for T1 to T4 treatments. The ducklings were subjected to the treatments for the first four weeks. The variables observed were feed intake, weight gain and FCR. The results showed that the supplementation of BS4-enzymes on rice-bran based rations significantly affected (P&lt;0.05) feed intake and FCR, but not for weight gain (P&gt;0.05). The most effective rations for feed consumption and FCR of PMp broiler duck were obtained on T4 treatment resulting in the highest body weight gain of 998 g/bird and lowest FCR of 2,64. It was concluded that the supplementation of 150 Unit/kg of BS4 enzyme in 30% rice-bran diet was the best combination level to be implemented in feeding PMP broiler ducks for the first four weeks period.</p>
Highlights
Duck meat is one of the interesting poultry products
The results showed that the supplementation of BS4-enzymes on rice-bran based rations significantly affected (P0.05)
One of the efforts to meet the needs of duck meat, Indonesian Research Institute for Animal Production (IRIAP) has invented a new breed of broiler ducks, namely PMp ducks, obtained from crossing of male Pekin duck with female white Mojosari duck
Summary
Duck meat is one of the interesting poultry products. Demand for duck meat lately seems to increase. Since the production of local duck meat has not been sufficient for the domestic market, the government of the Republic of Indonesia has made policy concerning importation of duck meat. The type of imported duck meat is frozen Pekin duck meat as it has high quality meat according to market in Indonesia. One of the efforts to meet the needs of duck meat, Indonesian Research Institute for Animal Production (IRIAP) has invented a new breed of broiler ducks, namely PMp ducks, obtained from crossing of male Pekin duck with female white Mojosari duck. The PMp is developed as broiler type, it has good average egg production, reaching of 65-70% per year. The drawback of the Indonesian meat type ducks was having high FCR, ranging from 3.97 to 4.70 (Ketaren et al 2011). It is necessary to carry out research, considering nutrition and feed technology by the use of enzymes as a supplement in duck feed
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