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Gerson Frans Bira
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.Jln. Eltari Km. 9, Kelurahan Sasi, Kecamatan Kota Kefamenanu, Kabupaten Timor Tengah Utara, NTT. 85613.
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JAS (Journal of Animal Science)
Published by Universitas Timor
ISSN : -     EISSN : 25021869     DOI : https://doi.org/10.32938/ja.v5i4
Core Subject : Health, Agriculture,
Agriculture, Biological Sciences & Forestry Veterinary
Ilmu Peternakan yang mencakup Produksi Ternak, Nutrisi dan Makanan Ternak, Reproduksi Ternak, Pemuliaan Ternak, Kesehatan Hewan, Teknologi Hasil Ternak, Sosial Ekonomi Peternakan
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Hewan dan Zoologi
Articles 112 Documents
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Evaluasi Penggunaan Tepung (Batang+Daun) Tanaman Kenikir (Cosmos Caudatus Kunth) sebagai Feed Additive terhadap Kualitas Internal Telur Ryam Ras Petelur Maria Selfiana Pasi
JAS Vol 6 No 2 (2021): Journal of Animal Science (JAS) - April 2021
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v6i2.1365

Abstract

The purpose of this study was to evaluate the effect of using cosmos caudatus Kunth flour (stem + leaves) on the internal quality of laying eggs. This research has been conducted in Bacem Village, Sutojayan District, Kab. Blitar. This study uses an experimental method with a completely randomized design (CRD) consisting of 4 treatments and 6 replications. Treatment P0 = Basal feed + 0% flour (stem + leaves) cosmos caudatus Kunth, P1 = Basal feed + 0.25% flour (stem + leaves) cosmos caudatus Kunth, P2 = Basal feed + 0.50% flour (stem + leaves) cosmos caudatus Kunth, P3 = Basal feed + 0.75% flour (stem + leaves) cosmos caudatus Kunth. The parameters observed were the weight of the egg white, the proportion of egg white, the weight of the egg yolk, the proportion of the yolk and the score of the yolk color. The results showed that the administration of flour (stem + leaves) cosmos caudatus Kunth plant as a feed additive can provide a very significant effect (P <0.01) on the weight of egg white, and no significant effect (P> 0.05) on the proportion of egg white, weight egg yolk, proportion of egg yolk and egg yolk color score. The results of this study it can be concluded that the administration of flour (stem + leaves) cosmos caudatus Kunth as a feed additive can affect the quality of internal eggs.
Pengaruh Subtitusi Ampas Tahu pada Pakan BR2 terhadap Berat Hidup, Berat Potong, Berat Dada dan Berat Paha Ayam Broiler Angela Lake; Charles V. Lisnahan; Theresia I. Purwantiningsih
JAS Vol 6 No 2 (2021): Journal of Animal Science (JAS) - April 2021
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v6i2.1366

Abstract

This study aims to determine the effect of tofu dregs substitution in BR2 feed on live weight, cut weight, breast weight and thigh weight for broiler chickens. This research was carried out in Poultry Housing of Animal Husbandry Study Program and the Laboratory of Agriculture Faculty, Timor University during 48 days, from July until August, 2020. This research used 96 broilers that is days old chick. The experimental design used the completely randomized design (CRD) consist of four treatments and four replication. The treatment that given is: P0 (100% commercial BR2 feed), P1 (95% commercial BR2 feed + tofu waste 5%), P2 (90% commercial BR2 feed + tofu waste 10%), and P3 (85% commercial BR2 feed + tofu waste 15%). The observed variables are live weight, cut weight, percentage of cut weight, breast weight, percentage of breast weight, thigh weight and percentage of thigh weight. The results of statistical analysis show that substitution of tofu waste in BR2 feed from a level of 0.05% to a level 0,10% can increase breast weight, but had no effect on live weight, cut weight and thigh weight of broiler chickens. It was eliminated that tofu pulp can be used to replace BR2 feed by 10%.
Kajian terhadap Bobot Badan dan Ukuran Linear Tubuh Induk Kambing Kacang di Lokasi Pengembangan Desa Naas Kecamatan Malaka Barat Kabupaten Malaka Vinsensia D. Nono; Theresia I. Purwantiningsih; Paulus K. Tahuk
JAS Vol 6 No 3 (2021): Journal of Animal Science (JAS) - July 2021
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v6i3.1397

Abstract

This study aims to determine the body weight and linear size of the body of the parent bean goats. This research was conducted in September-December 2020. Located in Naas Village, West Malaka district, Malaka Regency. The livestock used were 15 female goats bean, aged 2-3 years. Determination of livestock age is seen from the number of filed incisors. The method used in this research is the field experiment method with descriptive data analysis. The results showed that the average body weight (kg) of the main goat’s bean observed was 21,62 kg ± 4,45. The average body length (cm) of livestock is 40,93 ± 6,47. The average shoulder height (cm) was 64,30 ± 3,3. The average breast circumference (cm) of the main goat of bean was 65,56 ± 7,30. It can be concluded that the body weight and body linear measurements of the parent goat bean meet the requirements for breeding livestock by the standards of the parent goat in Indonesia.
Pengaruh Penggunaan Biochar Berbahan Sufmuti (Chromolaena odorata) dan Teh Kompos Berbahan Ekskreta Ayam terhadap Kandungan Nutrien Rumput Odot (Pennisetum purpureum cv. Mott) Irmalis B. Watu; Oktovianus R. Nahak
JAS Vol 6 No 3 (2021): Journal of Animal Science (JAS) - July 2021
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v6i3.1400

Abstract

The research was conducted in 2 locations; namely, the cultivation process took place at the Experimental Garden belonging to the Animal Husbandry Study Program, Faculty of Agriculture, University of Timor, while the analysis of nutritional content was carried out at the Laboratory of Feed Chemistry, University of Nusa Cendana, Kupang. The study lasted for one period (60 DAS) and started from May to the end of June 2020. The study aimed to determine the best level of biochar use on the nutrient value of odot grass, determine the best dosage of compost tea use on the nutrient value of odot grass, and determine whether there is an interaction with the administration of biochar and compost tea. This research is an experimental study using a completely randomized design (CRD) with a 3x3 factorial pattern repeated three times so that there are 27 experimental units. The treatments tested consisted of Lo = Without Biochar L1 = Biochar 100g L2 = Biochar 200g and Do = Without Compost Tea D1 = Dose 150 ml D2 = Dose 300 ml. The variables observed in this study were dry matter content (DM), organic matter content (BO), and crude fiber content (SK). (1) The results showed that the 200 g biochar level produced the best dry matter. (2) A 300 ml compost tea dosage produces the best dry matter, organic matter, and crude fiber. (3) There is an interaction with the level of biochar and the dose of compost tea to produce a good plant height. It can be concluded that (1) Biochar Level 200 g produced the best dry matter and crude plant fiber content. (2) Giving a dosage of compost tea of 300 ml/pot can produce the best organic material content. (3) There was an interaction between biochar level (200 gr/pot) and compost tea (300 ml/pot) on dry matter. Watering treatment Once seven days of compost tea has been effective against the nutritional content of odot grass.
Pengaruh Lama Penyimpanan Semen Segar pada Media Simpan Coldbox terhadap Motilitas, Viabilitas Spermatozoa dan pH Semen Ayam Buras Alfonsius Bria; Agustinus A. Dethan; Charles V. Lisnahan
JAS Vol 6 No 3 (2021): Journal of Animal Science (JAS) - July 2021
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v6i3.1401

Abstract

The purpose of this study was to determine the effect of storage time for fresh semen on media ColdBox on the motility, viability of spermatozoa and semen pH of native chickens. This research was conducted in October 2020 at the Laboratory of the Faculty of Agriculture, University of Timor Kefamenanu, North Central Timor Regency (TTU). Chicken semen used in this study came from 10 male native chickens with an age range of 2-3 years or with a spur length of 2-3 cm. This is the basis for selecting male livestock to produce quality cement which will be used as research material. This research used an experimental laboratory with a completely randomized design (CRD), which consists of 4 treatments and three replications so that there are 12 experimental units, namely: R1:Storage fresh cement over time (0 hours), R2:Storage fresh cement during the period ( 2 hours), R3: Storage of fresh cement for time (4 hours), R4: Storage of fresh cement for time (6 hours). The variables used in this study were: spermatozoa motility, spermatozoa viability, semen pH. The data obtained were analyzed using the Duncan Test of Variety Analysis. By using statistical software packages for the social sciences (SPSS. 20). The results showed that the mean spermatozoa motility in treatments R1, R2, R3 and R4, respectively, were mass motility of 4 ± 0, 4 ± 0, 4 ± 0 and 3 ± 0.6. Individual motility is 80 ± 00, 80 ± 00, 80 ± 00, and 80 ± 00. Viability 96 ± 02, 94 ± 04, 95 ± 73, and 91 ± 75. Semen pH 8 ± 05, 8 ± 00, 8 ± 05 and 8 ± 00. Statistical analysis showed that the treatment had a significant effect on the viability of native chicken spermatozoa. It was concluded that domestic chicken spermatozoa could survive for 6 hours in a storage media ColdBox containing ice cubes.
Pengaruh Suplementasi L-Arginine dalam Pakan terhadap Pertambahan Bobot Badan, Konsumsi Pakan dan Konversi Pakan Ayam Broiler Charles V. Lisnahan; Alfonsus Seran; Gerson Frans Bira
JAS Vol 6 No 3 (2021): Journal of Animal Science (JAS) - July 2021
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v6i3.1415

Abstract

This study aims to determine the effect of L-arginine supplementation on body weight gain, feed consumption, and feed conversion of broiler chickens. The study was carried out in the farm study program of the Faculty of Agriculture for six weeks from March to May 2021. This study used 96 broiler chickens aged one day or day-old chick (DOC) strain CP 707. The method used in this study was an experiment with a completely randomized design (CRD) with a random pattern consisting of 4 treatments and four replications, so there were 16 experimental units. Each experimental unit was filled with six broiler chickens. The treatments were: T0: 100% feed BR2, T1: 99.5% feed BR2 + 0.5% L-arginine, T2: 99.25% feed BR2 + 0.75 L-arginine, T3:99.00 feed BR2 + 1.00% L-arginine. The variables observed in this study were body weight gain, feed consumption, and feed conversion of broiler chickens. The data obtained were analyzed using analysis of variance and Duncan test. The results of the analysis of variance showed that the treatment had a significant effect on body weight gain and feed conversion (P<0.05), while feed consumption had no significant effect (P>0.05). It was concluded that 0.75% L-arginine supplementation increased body weight gain and feed conversion of broilers.
Deteksi Kandungan Formalin dan Boraks pada Bakso Daging yang dijual Di Kota Kefamenanu Marianus Nahak Seran; Stefanus Sio; Kristoforus W. Kia
JAS Vol 6 No 3 (2021): Journal of Animal Science (JAS) - July 2021
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v6i3.1424

Abstract

This study aims to detect the presence of Formalin and borax in meatballs sold in Kefamenanu City. This research was conducted by taking 20 samples of meatballs at stalls selling meatballs. Testing of Formalin and borax on meatballs was carried out qualitatively. Testing the borax content in meatballs was carried out by looking at the color changes that occurred in the residue from the addition of 0.125% curcumin to the supernatant. If the residue is cherry red, the borax is positive. Qualitative testing of Formalin on meatballs was carried out by observing the color change with the addition of chromofatic acid, phosphoric acid, and hydrogen peroxide to the filtrate. If there is a color change to purplish red, the sample is positive for Formalin. The test data obtained were analyzed using descriptive statistical tests in the form of percentage values. The results showed that from 20 samples of meatballs tested; there was no formalin and borax. It was concluded that the producers or sellers of meatballs in Kefamenanu City, North Central Timor Regency did not use borax as a meatball thickener and Formalin as a preservative in the manufacture of meatballs.
Pengaruh Suplementasi L-Arginin Dalam Pakan Terhadap Organ Pencernaan Ayam Broiler Viktor Fernandes Fahik; Charles V. Lisnahan; Gerson F. Bira
JAS Vol 6 No 4 (2021): Journal of Animal Science (JAS) - October 2021
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v6i4.1427

Abstract

This research was conducted in the enclosure of the Faculty of Agriculture, University of Timor, Sasi sub-district, Kefamenanu city, North Central Timor district for 42 days from April to May 2021. The aim of the study was to determine the effect of L-arginine supplementation in feed on the digestive organs of broiler chickens. This study used 96 Day Old Chick broilers. The research method used was a completely randomized design (CRD) consisting of 4 treatments and 4 replications. Each experimental unit consisted of 6 broilers. The treatments given consisted of T0: control feed, T1: control + 0.5% L-arginine, T2: control + 0.75% L-arginine, T3: control + 1.00% L-arginine. The variables observed were liver weight, bile weight, pancreatic weight, gizzard weight, intestinal length and small intestine weight. The data obtained were analyzed using statistical package software for the social sciences (SPSS 20). The analysis showed that the addition of L-arginine had no significant effect (P<0.05) on liver weight, bile weight, pancreatic weight, gizzard weight, intestinal length and small intestine weight. Based on these results and discussion, it can be concluded that the supplementation of the amino acid L-arginine 0.75% in broiler chicken feed can affect the weight of the digestive organs of the gizzard, while the weightof the liver, bile, panceas, intestinal weight have on significant effect.
Suplementasi Tryptophan dan Treonine Pada Level Protein Kasar Berbeda Dalam Pakan Terhadap Dimensi Tubuh Ayam Kampung Fase Pullet Charles V. Lisnahan; Oktovianus R. Nahak; Stefanus Kolo
JAS Vol 6 No 4 (2021): Journal of Animal Science (JAS) - October 2021
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v6i4.1471

Abstract

This study aims to determine the effect of giving tryptophan + threonine amino acids and different levels of crude protein on body dimensions of free-range chickens in the pullet phase. This research was carried out in Sasi sub-district, Kefamenanu City District, North Central Timor Regency, for 8 weeks from October-December 2020. This study used 120 free-range chickens aged 14 weeks, designed with a completely randomized design with a 2 x 3 factorial pattern, namely 2 amino acid levels and 3 levels of crude protein. Each treatment combination was repeated 4 times. The treatments were: A1C1 (threonine 0.75% + tryptophan 0.15% + protein 15%), A1C2 (threonine 0.75% + tryptophan 0.15% + protein 17%), A1C3 (threonine 0.75% + tryptophan 0.15% + protein 19%, A2C1 threonine 1.00% + tryptophan 0.20% + protein 15%), A2C2 (threonine 1.00% + tryptophan 0.20% + protein 15%), A2C3 (threonine 1.00% + tryptophan 0.20% + 19% protein. The variables observed in this study were body weight, body length, chest circumference, chest v-bone length, upper thigh length, lower thigh length, shank length, shank circumference, and finger length. The data obtained were analyzed using analysis of variance and Duncan's multiple distance test. Statistical analysis showed that the amino acids threonine and tryptophan had a significant (P<0,05) effect on body weight, body length, chest circumference, chest v-bone length, upper thigh length and lower thigh length, while crude protein level significantly affected body weight, body length, chest circumference, chest v-bone length, upper thigh length, lower thigh length. In this study, there was an interaction between amino acids and crude protein levels on the body weight and finger length of free-range chickens. It was concluded that the crude protein level of 19% could increase body weight, body length, chest circumference, chest v-bone length, femur length, and maximal pullet phase tibia length of free-range chickens; Amino acid levels of threonine 1.00% and tryptophan 0.20% increased body weight, body length, chest circumference, chest v-bone length, femur length, tibia length of pullet phase chickens; The combination of 19% crude protein level + 1.00% threonine amino acid and 0.20% tryptophan can increase the bodyweight of free-range chickens in the pullet phase.
Pengaruh Karakteristik Peternak dan Dukungan Penyuluhan Terhadap Kemampuan Teknis Beternak Sapi Potong di Kecamatan Insana Induk Sevisko V. Leleng; Agustinus A. Dethan; Ture Simamora
JAS Vol 6 No 4 (2021): Journal of Animal Science (JAS) - October 2021
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v6i4.1473

Abstract

This research was conducted to determine the characteristics of farmers and the effect of counseling support on the technical ability of raising beef cattle. This research was conducted in October 2019 in Fatoin Village and Manunain B Village, Insana District, North Central Timor Regency. The research was conducted at the Matani Farmer's Group in Manunain B Village with 14 members and the Ataubale Nunusili Farmer's Group in Fatoin Village with 16 members. The total respondents used in this study were 30 people. The types of data used in this study are qualitative data and quantitative data with the data sources used in the form of primary data and secondary data. Data was collected through observation and interviews with respondents. The results showed that the technical ability of the breeder was strongly influenced by the characteristics of the breeder (age, education, and experience) and extension support (method suitability, media suitability, and extension competence).

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