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All Journal Buletin Peternakan Jurnal Agripet
Elly Tugiyanti
Jenderal Soedirman University
Veterinary Other

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Pengaruh Tepung Daun Sirsak (Announa Muricata L) terhadap Karakteristik Lemak Darah dan Daging Itik Tegal Jantan Elly Tugiyanti; Soegeng Heriyanto; Afduha Nurus Syamsi
Buletin Peternakan Vol 40, No 3 (2016): BULETIN PETERNAKAN VOL. 40 (3) OKTOBER 2016
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v40i3.11243

Abstract

The purpose of this experiment was to evaluate the effect of soursop leaf meal on characteristics of  blood and meat  fat of male Tegal ducks. This study used completely randomized design. The study consisted of four treatments, namely: feed without supplementation of soursop leaf meal, feed with 5% soursop leaf meal, feed with 10% soursop leaves meal, and feed with 15% soursop leaf meal. Each treatment was 5 replications and each replication consisted of five ducks. The treatment given to duck for 5 weeks started from 4 to 10 weeks of age. Data were analyzed by Analysis of Variance (ANOVA) continued by orthogonal polynomial test. The results showed that soursop leaf meal supplementation in feed had no significant effect on levels of blood triglycerides, cholesterol, and LDL as well as meat triglycerides and cholesterol, but it affected levels of HDL significant (P<0.01), ie increase HDL levels. It can be concluded that soursop leaf meal supplementation in male Tegal duck feed by 8.36% showed the highest blood HDL levels (99.89 mg/dl), however soursop leaf meal supplementation up to 15% did not affect levels of blood triglycerides, cholesterol, and LDL as well as levels of meat triglycerides and cholesterol of 9 weeks male tegal duck.   
Comparative Analysis of Broiler Production Efficiency and Cost of Production in Different Housing Systems Timbul Sihombing; Novie Andri Setianto; Ismoyowati Ismoyowati; Elly Tugiyanti; Yusmi Nur Wakhidati; Jin Dingxing
Jurnal Agripet Volume 26, No. 1, April 2026
Publisher : Animal Husbandry Department, The Faculty of Agriculture, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/agripet.v26i1.670

Abstract

The broiler industry faces rising input costs and increasing demands for production efficiency, making housing system selection a key factor in technical and economic performance. This study analyzed differences in production performance and cost of production (COP) under open house, semi-closed house, and closed house systems in commercial contract farming in a humid tropical region. Secondary data from 33 broiler production cycles in West Java were analyzed using ANOVA, Games–Howell post hoc test, and Spearman’s correlation. Housing system significantly affected FCR, performance index (PI), and COP, but not slaughter age. The closed house system produced the highest PI, while the lowest COP was observed in the semi-closed house system. FCR showed a very strong positive correlation with COP, whereas ADG and PI were significantly negatively correlated. Feed efficiency is the main determinant of COP, and the semi-closed house system provides an optimal balance between biological efficiency and economic performance.
Co-Authors Afduha Nurus Syamsi Ismoyowati Ismoyowati Jin Dingxing Novie Andri Setianto Soegeng Heriyanto Timbul Sihombing Yusmi Nur Wakhidati