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All Journal Buletin Peternakan Jurnal Sain Peternakan Indonesia JAS (Journal of Animal Science) Panrita Abdi - Jurnal Pengabdian pada Masyarakat Animal Production : Indonesian Journal of Animal Production Martabe : Jurnal Pengabdian Kepada Masyarakat JPP IPTEK (Jurnal Pengabdian dan Penerapan IPTEK) Bulletin of Applied Animal Research Bakti Cendana: Jurnal Pengabdian Masyarakat Journal of Tropical Animal Science and Technology Bantara Journal of Animal Science Media Kontak Tani Ternak Livestock and Animal Research Jurnal Kedokteran Hewan JAS (Journal of Animal Science) Jurnal Agripet Animal Production
Paulus Klau Tahuk
Fakultas Pertanian, Universitas Timor
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Medicine & Pharmacology Nursing Social Sciences Veterinary Other

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Nitrogen Intake and Excretion in Male Kacang Goats Receiving Feed With Different Energy Levels Hoar, Matilda; Tahuk, Paulus Klau; Nahak, Oktovianus R.
Journal of Tropical Animal Science and Technology Vol. 7 No. 1 (2025): Journal of Tropical Animal Science and Technology
Publisher : Animal Husbandry Study Program, Faculty of Agriculture, Timor University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jtast.v7i1.7446

Abstract

This study aims to determine the nitrogen intake and excretion status of male Kacang goats that receive feed with different energy levels. The study was conducted for three months in the livestock experimental pen of the Faculty of Agriculture, Science and Health, University of Timor Kefamenanu, North Central Timor Regency. Nine male Kacang goats with an initial body weight of 11 to 13 kg and aged between 6 and 12 months were divided into three groups, each group representing a different treatment. The treatments were: T1 = livestock obtained an energy level of 65%, + CP 15%, T2 = livestock obtained an energy level of 67%, + CP 15%, and T3 = livestock obtained an energy level of 70%, + CP 15%.The variables measured consisted of nitrogen consumption, fecal nitrogen and urine nitrogen. The results of the study showed that the highest nitrogen consumption in the T3 treatment was 3.2033 ± 0.1549 g/head/day, followed by the T2 treatment of 3.0894 ± 0.0384 g/head/day, and the T1 treatment of 2.6159 ± 0.0658 g/head/day; fecal nitrogen in the T1 treatment was 1.5070 ± 0.3880 g/head/day, followed by the T3 treatment of 1.1673 ± 0.2751 g/head/day, and the T2 treatment of 1.1566 ± 0.5887 g/head/day; urinary nitrogen in the T2 treatment was 0.7906 ± 0.1804 g/head/day, followed by the T1 treatment of 0.7606 ± 0.0456 g/head/day and the T3 treatment of 0.6933 ± 0.0637 g/head/day.   The results of the analysis of variance showed that the treatment had a significant effect on nitrogen consumption and had no significant effect on fecal nitrogen and urinary nitrogen. It was concluded that feeding with different energy levels could increase nitrogen intake but relatively the same fecal and urinary nitrogen excretion. Keywords: Nitrogen Intake, Nitrogen Excretion, Kacang Goat, Energy Level
Effect of Feeding Several Energy Sources on Carcass Production of Local Male Pigs in the Grower Phase Seran, Alfiana; Klau Tahuk, Paulus; Purwantiningsih, Theresia Ika
Journal of Tropical Animal Science and Technology Vol. 7 No. 2 (2025): Journal of Tropical Animal Science and Technology
Publisher : Animal Husbandry Study Program, Faculty of Agriculture, Timor University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jtast.v7i2.690

Abstract

The study aimed to determine the carcass characteristics of local male pigs fed different energy sources. The research location is in Sasi Village, Kefamenanu District, North Central Timor Regency. The livestock used are 12 castrated local male pigs aged 12–16 weeks with a body weight range of 5–7 kg. The method used in the study is an experimental method using a completely randomised design (CRD) with 3 treatments and 4 replicates. The treatments tested were as follows: T1: 40% ground corn + 23% rice bran + 15% bran pollard + 22% fish meal; T2: 15% ground corn + 40% rice bran + 23% bran pollard + 22% fish meal; T3: ground corn 23% + rice bran 15% + pollard bran 40% + fish meal 22%. The variables observed in this study were slaughter weight, carcass weight, non-carcass weight, carcass percentage, and non-carcass percentage. The results showed that the treatments had no significant effect (P > 0.05) on slaughter weight, carcass weight, non-carcass weight, and carcass and non-carcass percentages of local male pigs in the growing phase. The slaughter weight for each treatment (T1, T2, and T3) was as follows: T1 was 6.867 kg, T2 was 7.936 kg, and T3 was 8.498 kg; the carcass weight for each treatment (T1, T2, and T3) was as follows: T1 was 3.466 kg, T2 at 4.115 kg, and T3 at 4.621 kg; the non-carcass weight for treatment T1 was 3.401 kg, T2 at 3.821 kg, and T3 at 3.886 kg; the carcass percentage for treatment T1 was 50.094%, T2 was 51.766%, and T3 was 52.674%; while the non-carcass percentages for treatments T1, T2, and T3 were 49.905%, 48.234%, and 47.325%, respectively.  It can be concluded that the use of ground corn, rice bran, or bran pollard as an energy source feed results in carcass and non-carcass production of local male pigs in the growing phase that are not significantly different, although there is a higher tendency when using 40% bran pollard in the diet.
Effect of Different Levels of Fish Meal in the Diet on Energy Intake of Young Male Kacang Goats Fed a Complete Silage-Based Diet Mesak Seran, Jonisius; Klau Tahuk, Paulus; R. Nahak, Oktovianus
Journal of Tropical Animal Science and Technology Vol. 7 No. 3 (2025): Journal of Tropical Animal Science and Technology
Publisher : Animal Husbandry Study Program, Faculty of Agriculture, Timor University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aimed to determine the effect of different levels of fish meal on the energy consumption of young male Kacang goats fed a complete silage diet.  The study was conducted over three months in Kefamenanu Selatan Village, North Central Timor Regency (TTU), using nine 6–8-month-old Kacang goats with an initial weight of 11–14 kg. The goats were divided into three treatment groups, namely T1: 45% complete silage + 25% ground corn + 15% bran pollard + 10% rice bran + 5% fish meal; treatment T2: 45% complete silage + 25% ground corn + 10% pollard bran + 10% rice bran + 10% fish meal; treatment T3: 45% complete silage + 25% ground corn + 10% pollard bran + 5% rice bran + 15% fish meal. The variables observed included gross energy (GE), digestible energy (DE), faecal energy, urinary energy, metanae energy and metabolisable energy (ME). The results showed that gross energy (GE), digestible energy (DE), faecal energy, urinary energy, metanae energy and metabolisable energy (ME) of male Kacang goats fed different levels of fish meal did not differ significantly between treatments. It can be concluded that feeding 5%, 10%, and 15% fish meal levels to young male Kacang goats that received complete silage as their basic feed had no significant effect on gross energy consumption, digestible energy, faecal energy, urinary energy, or metabolic energy.  
Co-Authors Agustinus Agung Dethan Agustinus Bria Laka Agustinus Mau Mori Amandus Bere Bira, Gerson Frans Carla Krisanti Fios Charles Venerius Lisnahan Cornelis Astridino Nitbani Dionicio Natalino Kolo Dominggas N. Rika Dominggus Berek Endang Baliarti F. Nitsae Ferdinandus Anin Ferdy Anin Fransiska Luruk Berek Fransiskus P Bere Bria Fransiskus X. Manehat G. F. Bira Gerson F. Bira Gerson Frans Bira Gumelar, Asep Ikhsan Hari Hartadi Hendriawan Kapoteng Bili Herminus Riberu Hilarius Y. Sikone Hoar, Matilda Jaimito Fahik K. W. Kia Kristoforus W. Kia Kristoforus W. Kia Ludowika Jessye Jelita Ninu Luruk, Bernadina Mesak Seran, Jonisius Nahak, Gregorius Renerius Nahak, Oktovianus Rafael Oktavianus Rafael Nahak Oktovianus Rafael Nahak Oktovianus Rafael Nahak P.K. Tahuk R. Nahak, Oktovianus S. K. Hartun Seran, Alfiana Sergius Pikan Seuk, Serlinda Seuk Sikone, Hilarius Yosef Silvester Egi Luan Sio Stefanus, Sio Sipayung, Boanerges Putra Stefanus Nahak Subur Priyono Sasmito Budhi Theresia Ika Purwantiningsih Trifobertus Seran Yohanes Baptista Ambone Yohanes Debrito Suni Yosef J. Mau Yuliana Bete Yulius Luan Halek Yustina Seuk