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Paulus Klau Tahuk
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Program Studi Peternakan, Fakultas Pertanian, Universitas Timor Jln. El Tari, Km-9, Kefamenanu, Timor Tengah Utara, Nusa Tenggara Timur, Indonesia
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Journal of Tropical Animal Science and Technology
Published by Universitas Timor
ISSN : -     EISSN : 2685452X     DOI : https://doi.org/10.32938/jtast.v1i1.290
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Focus dan scope Journal of Tropical Animal Science and Technology mencakup berbagai keilmuan yang berhubungan dengan ternak sapi, kerbau, domba, kambing, babi, kuda, dan unggas. Artikel yang dapat diterbitkan oleh JTAST meliputi sistem produksi ternak potong dan unggas, genetika dan pemuliaan ternak, fisiologi dan reproduksi ternak, nutrisi dan teknologi makanan ternak, teknologi hasil ternak, bioteknologi ternak, tingkah laku dan kesejahteraan ternak, lingkungan hewan, serta sosiol ekonomi peternakan.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Hewan dan Zoologi
Articles 103 Documents
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ENERGY AND NITROGEN BALANCE OF MALE BALI CATTLE FATTENED BY GREEN FEED IN SMALLHOLDER FARMS Paulus Klau Tahuk; Agustinus Agung Dethan; Stefanus Sio
Journal of Tropical Animal Science and Technology Vol 2 No 1 (2020): Journal of Tropical Animal Science and Technology
Publisher : Program Studi Peternakan, Fakultas Pertanian Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (540.256 KB) | DOI: 10.32938/jtast.v2i1.590

Abstract

The experiment was conducted for 3 months from March to June 2013 using nine (9) males Bali Cattle ages 2,5 - 3,5 or an average 3.0 years old based on teeth estimated with initial body weight range is 227-290 kg or an average of 257.40±23,60 kg in the Fattening Stalls, Bero Sembada Farmers Group, Laen Manen Sub District, Belu Regency, East Nusa Tenggara. This research be adapted to the practice of ranchers in fattened of cattle that includes management of feeding, housing, and health. Type of feed given during the study was Centrosema pubences, Clitoria ternatea, jerami Zea mays segar, Pennisetum purpuphoides, Leucaena leucocephala, natural grass, Pennisetum purpureum and Sesbania grandiflora. Variables measured consumption and digestibility energy and N, energy and N Balance, NNU and biological value. Data were analyzed with descriptive analysis procedures. The results showed that the kinetic energy (Mcal/kg/head/day) is the energy consumption of 30.657; energy feses, undigested and urine, respectively 10.136; 20.522 and 1.026, as well as energy Balance 19.496. Meanwhile, consumption of N is 169 000 g/head/day ; excretion of N feses, urine and N digested, respectively 50, 20 and 119, as well as Balance N 104 g/head/day. While net nitrogen utilization and biological value of nitrogen is 58.580% and 83.194%. Can be concluded that male Bali cattle finishing phase in fattening using a feed single forage the improve energy-nitrogen intake and digestibility, resulting a positive nitrogen Balance and energy, as well as net nitrogen utilization and biological value protein feed is high enough.
MEAT AND FAT COLORS CHARACTERISTICS OF MALE BALI CATTLE FATTENED WITH GREEN FEED IN SMALLHOLDER FARMS Paulus Klau Tahuk; Agustinus Agung Dethan; Stefanus Sio
Journal of Tropical Animal Science and Technology Vol 2 No 2 (2020): Journal of Tropical Animal Science and Technology
Publisher : Program Studi Peternakan, Fakultas Pertanian Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (312.711 KB) | DOI: 10.32938/jtast.v2i2.592

Abstract

The study was conducted for 3 months from March to June 2013, using nine (9) male Bali cattle aged 2.5 - 3.5 years or average 3.0 years old based on dental estimates. The initial body weight range was 227-290 kg or an average of 257.40 ± 23.60 kg. Livestock was raising carried out in the Bero Sembada Farmers Group, Laen Manen District, Belu Regency, East Nusa Tenggara. The method used was an experimental method with treatments adjusted for habits of breeders in fattening cattle, which included feed management, housing, and health. The type of feed given during the study was Centrosema pubences, Clitoria ternatea, Fresh Zea mays straw, Pennisetum purpuphoides, Leucaena leucocephala, natural grass, Pennisetum purpureum and Sesbania grandiflora. The variables measured in this study include the color of the meat and fat. Measurement of the color of meat and fat using the standard color of meat and fat issued by the Indonesian National Standardization Agency (SNI: 3932: 2008, Regarding Quality Standards for Carcass and Meat of Beef Cattle). The data collected were analyzed using descriptive statistical procedures. The results of the study showed that male Bali cattle fattened with forage produced a meat color score average of 9.00 or dark red color, while the average fat color score produced was 5.33 or yellowish-white color. It can be concluded that the characteristic color of meat from male Bali cattle fattened with forage on smallholder farms is dark red, while the color of fat is yellowish-white.
THE EFFECT OF BIO ORGANIC FERTILIZER ON GROWTH OF PALM OIL (ELAEIS GUENEENSIS, JACK) SIX MONTHS AGE IN MAIN NURSERY Ida Ketut Mudhita; Saprudin Saprudin; Muhamad Mundzir
Journal of Tropical Animal Science and Technology Vol 2 No 1 (2020): 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 | Full PDF (379.072 KB) | DOI: 10.32938/jtast.v2i1.595

Abstract

The purpose of this study to determine the effect of bio-organic fertilizer made from a mixture of cow dung, oil palm fiber and agricultural symbiotic microbes on the growth of oil palm seedlings. The research method uses four treatments: P0 (control): chemical fertilizer (CF) 100%, P1 (CF 100%+50% bio organic fertilizer/BOF, 100 kg/ha), P2 (CF100%+100% BOF, 200 kg/ha) and P3 (CF 100%+150% BOF, 300 kg/ha). The fertilizer was applied to oil palm seedlings aged six months in polybags each of 30 plants per treatment or a total of 120 plants, every month for four months. The parameters observed were: plant height, stem diameter, number of fronds and plant weight. Measurements were taken every month, except for the weight of the plants taken at the end of the study by taking a sample of plants in the amount of 10% from each treatment. The results showed that the addition of bio-organic fertilizer increased plant height 20.58% (from 108.23 to 130.5 cm) at P0, P1 by 25.21% (from 108.43 to 135.7 cm), P2 by 35.19% (108.73-147 cm) and the highest in P3 was 36.32% (108.66-148.12 cm). The stem diameter of oil palm plants increased by 34.47% (5.87-7.89 cm) in P0 (control) P1 by 33.11% (6.1-8.1 cm), P2 by 44.24% (5, 87-8.47 cm), and the highest in P3 was 48.66% (5.83-8.67 cm). The number of palm fronds increased by 19.03% (14.37-17.1) in P0 (control), P1 by 17.59% (14.4-17.77), P2 by 23.69% (14.36- 17.77) and the highest in P3 was 24.72% (15.1-18.83). The dry weight of oil palm plants aged 10 months at P0 596.6 g, P1 was 634.1 g, P2 was 742.9 g and the highest was at P3 762.6 g. The conclusion of this study that the addition of bio- organic fertilizer significantly affected the growth of oil palm seeds, the best dose economically in P2 that is an increase of 100% biofertilizer or 200 kg / ha. The conclusion of this study is that the addition of bio organic fertilizer has a significant effect on the growth of oil palm seedlings, with the best results on P3 (addition of 150% BOF), but the best dose economically on P2 is the addition of 100% BOF or 200 kg/ha, due to growth at P2 and P3 is not significantly different.
PREVALENCE RATE AND CAUSES OF LEPTOSPIROSIS SEROVAR ON CATTLE AT GIWANGAN’S ABATTOIR OF YOGYAKARTA Steffanie Merlin Clyricia Noach; Yakob Robert Noach
Journal of Tropical Animal Science and Technology Vol 2 No 1 (2020): Journal of Tropical Animal Science and Technology
Publisher : Program Studi Peternakan, Fakultas Pertanian Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (235.625 KB) | DOI: 10.32938/jtast.v2i1.597

Abstract

Leptospirosis is a zoonotic disease caused by Leptospira bacteria. The disease was spreadout arround the world, especially in the tropical and subtropical regions included Indonesia. The International Leptospirosis Society has established Indonesia is the country with high incidence of leptospirosis. Daerah Istimewa Yogyakarta is one of the regions in Indonesia with endemic of leptospirosis. Leptospirosis infection in humans can occur through direct or indirect contact with the urine of infected animals. Cattle is one of the source of transmission leptospirosis to human and other animals. The purpose of this study was to determine the prevalence rate of leptospirosis and identify serovar caused of leptospirosis in cattle at Giwangan’s abattoir Yogyakarta. Blood collection taken from ten heads of cattle via jugular vein and the serum was separated for leptospirosis examination by Microscopic Aglutination Test (MAT) which taken placed at Balai Besar Penelitian dan Pengembangan Vektor dan Reservoir Penyakit (B2P2VRP), Salatiga. Microscopic Aglutination Test carried out on various Leptospira serovar, namely: Bangkinang, Canicola, Pyrogenes, Robinsoni, Hardjo, Djasiman, Grippotyphosa, Hebdomadis, Icterohaemorragie, Pomona, Bataviae, Rama, Mini, Sarmin and Manhao. The prevalence rate detemine by compared between the number of MAT positive and samples examined. Positive agglutination indicated the serovar types that caused leptospirosis in cattle. The results showed that two samples were positive against antigen serovar Grippotyphosa (1/2), Hebdomadis (2/2) dan Mini (1/2). It can be concluded that the prevalence rate of leptospirosis in cattle at Giwangan’s abattoir Yogyakarta were 20%. The cause of leptospirosis in cattle at Giwangan’s abattoir Yogyakarta namely Leptospira interrogans serovar Grippotyphosa, Hebdomadis and Leptospira borgpetersenii serovar Mini.
LIGNIN CONTENT IN FERMENTATION OF COCOA POD (THEOBROMA COCOA) USED PLEUROTUS OSTREATUS Engkus Ainul Yakin; Sri Sukaryani; Abbas Ummami
Journal of Tropical Animal Science and Technology Vol 2 No 2 (2020): Journal of Tropical Animal Science and Technology
Publisher : Program Studi Peternakan, Fakultas Pertanian Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (412.507 KB) | DOI: 10.32938/jtast.v2i2.601

Abstract

The study were aimed to determine the lignin degradation in fermentation of cocoa pod with Pleurotus ostreatus. The research methods was using three treatments and four replications. T0 = fermentation of cocoa pod in 10 days, T1 = fermentation of cocoa pod in 15 days, and T2 = fermentation of cocoa pod in 20 days. The mixture was put into a container aerobically. The variables observed were dry matter (DM), crude protein (CP), crude fiber (CF), crude fat (CFt), ash and lignin content. This study was designed using the completely randomized research design with a unidirectional pattern analysis of variance (oneway ANOVA). Significant variables went through Duncan's Multiple Range Test (DMRT). The result showed that the lower lignin content was T2 = fermentation of cocoa pod in 20 days = 6.40 ± 0.12%. It could be concluded that the addition of fungus Pleurotus ostreatus on cocoa pod fermented during 20 days was the lower lignin content in fermentation of cocoa pod.
THE EFFECT USING OF DIFFERENT COWS MANURE LEVELS AND RICE HUSK ON THE QUALITY OF BIOARANG BRIQUETTES PRODUCED Gerson Frans Bira; Paulus Klau Tahuk; Yosef J. Mau
Journal of Tropical Animal Science and Technology Vol 2 No 2 (2020): 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 | Full PDF (689.657 KB) | DOI: 10.32938/jtast.v2i2.604

Abstract

Energy is a crucial problem because it is inversely proportional to the rapid population growth. As a result, energy reserves are running low, especially fossil energy. For this reason, innovation is needed to provide alternative fuels to address household energy needs. One alternative fuel to overcome household energy needs. Briquette can be used as an alternative fuel which is expected to be able to overcome the energy crisis because it comes from materials that are around. Utilization of livestock and agricultural waste is one alternative that is very appropriate to overcome rising prices and oil fuel shortages. Utilization of waste and use of renewable energy needs to be integrated. In this study aims to utilize waste into renewable energy. The method used in this study was a completely randomized design (CRD) with 4 treatments and which were repeated 4; R1:80% cows manure charcoal + 15% Rice husk charcoal + 5% Starch flour, with treatment R2: 70% Cows manure charcoal + 25% Rice husk charcoal + 5% Starch flour; R3: 60% Cows manure charcoal + 35% Rice husk charcoal + 5% Starch flour; R4: 50% Cows manure charcoal + 45% Rice husk charcoal + 5% Starch flour. The composition of the four briquettes has the same density (100g) with a pressure of 30 kg/cm2. The variables studies observed were water content, ash content, combustion rate and heating value. The data obtained were processed using variance according o the Completely Randomized Design (CDR) and Duncan's multiple range test. The results showed that the use of cows manure charcoal and rice husk with different levels had a significant effect (P<0.05) on the variables studied. It was concluded that the use of 50% cows manure charcoal, 45% rice husk charcoal, and 5% starch produced the best quality briquettes with a moisture content of 3.11%, ash content of 23.72%, burning rate of 0.26 g/sec and heating value 1247 cal/g.
EFFECT OF NONI FRUIT EXTRACT ON THE INTERNAL QUALITY, FOAM INDEX, AND HAUGH UNIT OF THE CHICKEN EGGS Natalius Abi; Charles Venirius Lisnahan; Theresia Ika Purwatiningsih
Journal of Tropical Animal Science and Technology Vol 3 No 1 (2021): Journal of Tropical Animal Science and Technology
Publisher : Program Studi Peternakan, Fakultas Pertanian Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jtast.v3i1.837

Abstract

This study aimed to determine the effect of noni fruit extract on the internal quality, foam index, and haugh unit of layers eggs. This research has been carried out at the Chemistry Laboratory of Widya Mandira University Kupang, and the Laboratory of the Faculty of Agriculture, University of Timor, Kefamenanu during February 12, until March 25, 2020. This study used eggs of layer chicken, each treatment using 25 eggs. The method used was a completely randomized design with a one-way pattern consisting of 5 treatments and 5 replications. The treatments given were T0 (control), T1 (2 ml noni fruit extract), T2 (4 ml noni fruit extract), T3 (6 ml noni fruit extract), and T4 (ampicillin). The variables observed were egg weight, air sac diameter, albumen height, egg yolk index, foam leakage, foam index, and Haugh unit. The results of statistical analysis showed the effect of noni fruit extract on egg weight, air sac diameter, foam leakage, foam index, and Haugh unit value. The mean value of each variable showed that the 6 ml (T3) noni extract treatment was better than the other treatments (T0, T1, T2, and T4). It was concluded that to maintain egg quality for up to 21 days, could be preserved with a concentration of 6% noni fruit extract.
EFFECT OF KATUK LEAVES MEAL (Sauropus Androgynus L. Merr) AND ZN BIOCOMPLEX SUPPLEMENTATION ON CONSUMPTION AND DIGESTIBILITY OF POSTWEANING MALE OF ETTAWA CROSSBRED Yakob Robert Noach; Marthen Yunus
Journal of Tropical Animal Science and Technology Vol 3 No 1 (2021): Journal of Tropical Animal Science and Technology
Publisher : Program Studi Peternakan, Fakultas Pertanian Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jtast.v3i1.874

Abstract

The experiment goal was to determine the supplementation effect of katuk leaves meal and Zn bio complex on dry and organic matter consumption and digestibility of postweaning male of Ettawa Crossbred. The experiment used sixteen heads of the postweaning male of Ettawa Crossbred aged 4-5 months with an initial body weight of 9.01±1.85kg (CV 20.55%). Completely Block Randomized Design (CBRD) with 4 treatments and 4 replications were applied in this experiment. Those treatments were P0: Lamtoro + concentrate without katuk leaves meal and Zn biocomplex (control); P1: P0 + 5% katuk leaves meal (on the basis of forage dry matter) and Zn bio complex; P2: P0 + 10% katuk leaves meal (on the basis of forrage dry matter) and Zn bio complex; P3: P0 + 15% katuk leaves meal (on the basis of forage dry matter) and Zn bio complex. Variables measured were dry matter (DM) consumption, organic matter (OM) consumption, DM digestibility, and OM digestibility. Average of DM consumption were P0 (326.68 ±44.13g/h/d), P1 (351.68±63.47g/h/d), P2 (351.78±33.41g/h/d) and P3 (346.24±32.48g/h/d). Average of OM consumption were, P0 (300.38 ±41.14g/h/d), P1 (316.11±57.05g/h/d), P2 (315.54±30.83g/h/d) and P3 (309.21±29.00g/h/d). Average of DM digestibility, P0 (78.94 ±4.67%), P1 (78.77±9.54%), P2 (64.82±11.45%), P3 (75.38±14.56%). Average of OM digestibility, P0 (81.17±4.01%), P1 (80.77±8.69%), P2 (68.79±9.90%), and P3 (76.93±12.77%). The result of variance analysis showed that treatment has a significant effect (P<0.05) on dry and organic matter consumption but no significant (P>0.05) on dry and organic matter digestibility It can be concluded that supplementation of of katuk leaf meal (Sauropus androgynus L. Merr) at 5% up to 15% and Zn bio complex might increase dry and organic matter consumption of postweaning male of Ettawa crossbred.
THE EFFECT OF BOILING TIME AGINT THE PHYSICAL PROPERTIES, CHEMICAL PROPERTIES, AND ORGANOLEPTIK OF PORK SKIN CRAKERS Bastari Sabtu; Imanuel Hermanus Lobo Lay; Heri Armadianto
Journal of Tropical Animal Science and Technology Vol 3 No 1 (2021): Journal of Tropical Animal Science and Technology
Publisher : Program Studi Peternakan, Fakultas Pertanian Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jtast.v3i1.884

Abstract

The purpose of this study was to determine the effect of boiling time on the chemical, organoleptic properties of pork skin crackers. The materials used in this study were pork skin, lime solution, seasonings and cooking oil. The design used was a completely randomized design consisting of 4 treatments and 3 replications. The treatments were boiling for 5 minutes (R0), boiling time for 10 minutes (R1), boiling time for 15 minutes (R2), and boiling time for 20 minutes (R3). The results showed that the treatment had no significant effect (P> 0.05) on protein content, fat content, collagen, and organoleptic tests which included color, taste, crispness, level of preference, and shape of pork skin crackers. In conclusion, boiling can be done for 5 - 20 minutes, but to produce optimal skin crackers, boiling can be done for 15-20 minutes.
THE GERMINATION OF INDOGOFERA ZOLLINGERIANA BY SOAKING IN LIQUID SMOKE WITH DIFFERENT CONCENTRATIONS Yelly Magdalena Mulik; Stormy Vertygo; Vivin E. Se’u; Basry Y. Tang
Journal of Tropical Animal Science and Technology Vol 3 No 1 (2021): Journal of Tropical Animal Science and Technology
Publisher : Program Studi Peternakan, Fakultas Pertanian Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jtast.v3i1.892

Abstract

This study aimed to evaluate the effect of immersion using liquid smoke with different concentrations on the germination viability of Indigofera zollingeriana. The design used was a completely randomized design with 4 treatments: A0 = 0% liquid smoke, A20 = 20% liquid smoke, A40 = 40% liquid smoke, A100 = 100% liquid smoke, each treatment with 4 replications. The parameters observed were the germination viability, mean germination time, and mean daily germination. ANOVA analysis showed that the treatment had a significant effect on germination viability but insignificant on the germination rate and mean germination time. Treatment A0 was the treatment with the highest germination viability (75%), but the highest germination rate (0.34 cm/day) was in treatment A20. The higher the concentration of liquid smoke, the lower the germination viability, the germination rate and the mean germination time.

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