Abstract
Production performance in Joper broodstock can be improved through increased feed energy and vitamin E-selenium supplementation. This study used 400 laying hens Isa Brown aged 35 weeks and 15 Sentul rooster aged 68 weeks. This study used a factorial completely randomized design with 2 factors, namely metabolic energy levels (2,700 and 2,800 kcal/kg) and vitamin E-selenium supplementation doses (0, 25, 50, 75 and 100 ppm) where each treatment used 10 laying hens and repeated 4 times. The dose of selenium is 0.001 ppm/mg vitamin E. The energy level has a very significant effect (P < 0.01) on (feed, protein and energy) intake and HDP. The dose level of vitamin E- selenium in feed had a very significant effect (P < 0.01) on HDP and significant (P < 0.05) on (feed, protein and energy) intake and FCR. The interaction between the two has a very significant effect (P < 0.01) on HDP. The average feed intake 113-115 g/day, protein intake 21.90-22.20 g/day and energy intake 308-317 kcal/bird. HDP 76.70-83.00%. The conclusion of this study is that feed with metabolic energy of 2800kcal/kg and vitamin E-selenium supplementation at a dose of 100 ppm can improve the productivity of Joper broodstock.
Highlights
The global economy that has occurred in recent years has led to changes in lifestyle
Different superscripts in the same column showed that the energy level had a very significant effect (P < 0.01) on the performance of laying hens; dose of vitamin E-selenium gave a very significant effect (P < 0.01) on hen day production (HDP) and significantly (P < 0.05) on feed intake, protein intake, energy intake, Feed Conversion Ratio (FCR); the interaction between energy level and dose of vitamin E-selenium gave a very significant effect (P < 0.01) on HDP
The results of this study showed that there was no interaction between metabolic energy levels and the dose of vitamin E-selenium supplementation in the feed on feed consumption
Summary
The global economy that has occurred in recent years has led to changes in lifestyle. In Indonesia, this global economy has made fast food made from chicken more popular and the spread of restaurants is getting wider. The national consumption of poultry meat in 2017 was 2,305,000 tons [1]. Poultry meat supplies 69% of the total national demand for meat, consisting of 55% broilers, 9% native chickens, 4% layer hens and 1% ducks [2]. In Indonesia, the poultry business is able to provide employment for 12 million people so that it has an important role in the national economy. One of the government policies made to improve the economy and realize food self-sufficiency is the development of livestock with local genetic sources [3]
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