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Gerson Frans Bira
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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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Pengaruh Pemberian Tepung Kunyit yang Dicampur Dalam Air Minum Terhadap Pertambahan Bobot Badan, Konsumsi Pakan, dan Konversi Pakan Ayam Broiler Arta S. Kasse; Charles V. Lisnahan; Oktovianus R. Nahak
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.v6i4.1484

Abstract

The purpose of this research was to know the effect of adding turmeric powder in drinking water on body weight gain, feed consumption, and feed conversion of broilers. This research was carried out in the Poultry Housing of Animal Science Study Program, Faculty of Agriculture, Timor University, Kefamenanu from Mei until July 2021. This research using 96 day old chick (DOC) broilers. The method used is Completely Randomized Design (CRD) consists of 4 treatments and 4 replication. The treatment was giving of T0: 1000 ml of drinking water (without turmeric powder), T1: 995 ml drinking water + turmeric powder 5 g, T2: 990 ml drinking water + turmeric powder 10 g, T3: 885 ml drinking water + turmeric powder 15 g. Data is processed using analysis of variance, and Duncan test. Statistical analysis shows that addition turmeric powder in drinking water significant effect weight gain, feed consumption and feed conversion of broilers (P<0.05). It was concluded that adding turmeric powder in drinking water give results the optimum of body weight gain, feed consumption and feed conversion of broilers.
Analisis Faktor Keberhasilan Inseminasi Buatan Pada Ternak Sapi Bali di Kecamatan Atambua Selatan Kabupaten Belu Benedikta Salan; Agustinus A. Dethan; Theresia I. Purwantiningsih
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.v6i4.1496

Abstract

This research was conducted in South Atambua District, Belu Regency for 5 months. The purpose of this study was to determine the success factors of artificial insemination of bali cattle in Atambua Selatan District. In this study using a survey method, data collection was done by interview and observation. The population of acceptors in this study amounted to 50 farmers with 523 cattle. The variables observed in this study were the characteristics of the breeder, the pattern of livestock rearing, the number of livestock ownership, Service Per Conception (S/C), Conception Rate (CR), and Calving Interval (CI). The results showed that the success rate of Artificial Insemination in Atambua Selatan District was based on Service per Conception with an average S/C value of 1.77; The Conception Rate is 48.63% and the Calving interval is 413.20 months. Factors that influence the success rate of Artificial Insemination in Atambua Selatan District based on Service Per Conception, Conception Rate and Calving interval, namely semen quality, inseminator skills, estrus detection and reporting estrus, AI techniques, feed quality and quantity.
Aplikasi FMA (Fungi Mikoriza Arbuskula) dan Pupuk Kompos Dengan Level Berbeda pada Pertumbuhan dan Produksi Biomasa Rumput Setaria Sphacelata Oktovianus R. Nahak; Beatrix R. Ulu; Eduardus Y. Neonbeni
JAS Vol 7 No 1 (2022): Journal of Animal Science (JAS) - January 2022
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v7i1.897

Abstract

An experiment was carried out using FMA and compost fertilizer, to increase the growth and yield of Setaria Sphacelata grass. This study aims to determine the interaction between the combination of FMA (arbuscular mycorrhizal fungi) and compost fertilizer on the growth and production of Setaria Sphacelata grass biomass. The study was conducted in the experimental garden of the Faculty of Agriculture, University of Timor, Kelurahan Sasi, Kota Kefamenanu District, Timor Tengah Utara Regency. The study lasted for 3 months where data collection was carried out in 2 production periods, namely: production I: 45 days after planting and production II 90 days after planting, the study commenced from the beginning of June to the end of August 2019, using a Randomized Group Design (RBD). The first factor is the level of Fungi Micoriza Arbuscula (FMA) (F), namely: Without Fungi Micoriza Arbuscula (control) (F0) and Fungi Micoriza Arbuscula 50 g / planting hole (F1). The second factor is the level of compost (P), namely: Without compost (control) (P0), compost 500 g / planting hole (P1), and compost 750 g / planting hole (P2). Results of variance (ANOVA) showed that the level of FMA and level of compost fertilizer generally did not interact positively (P> 0.05), in influencing all observed variables. The results showed that giving FMA level 50 g / planting hole and compost fertilizer level 500 g / planting hole showed the best results that could be expressed in the highest number of tillers in the first and second production, the heaviest weight of fresh and dry canopy in the first and second production. The conclusions from the results of this research are the number of tillers I = 8.48 and production II = 15.36, fresh weight of production canopy I = 40.97 and production II = 76.77, dry weight production canopy I = 9.50, and production II = 14.32. There was a real difference between treatments with different FMA levels and compost levels on all observed parameters.
Pengaruh Suplementasi L-Threonine dalam Pakan terhadap Berat Potong dan Berat Non Karkas Ayam Broiler Irna Oktoviana Selan; Charles Venirius Lisnahan; Oktovianus Rafael Nahak
JAS Vol 7 No 1 (2022): Journal of Animal Science (JAS) - January 2022
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v7i1.1059

Abstract

The research aim was to know the effect of l-threonine supplementation on slaughter weight and non-carcass weight of broilers. This research was conducted in Kampung Bima, Kelurahan Kefa Selatan, North Central Timor Regency, and the Laboratory of the Faculty of Agriculture, University of Timor, Kefamenanu for 7 weeks, from December 2019 to January 2020. The research used 80 fourteen-day broilers. The research was designed with a Completely Randomized Design, consisting of 4 treatments and 4 replications. The dietary treatments were T0 (control feed), T1 (supplementation of 0.5% l-threonine), T2 (supplementation of 0.1% l-threonine), and T3 (supplementation of 1.5% l-threonine). The variables measured were slaughter weight and non-carcass weight. Data obtained was analyzed by analysis of variance and Duncan’s test. The results showed that the average slaughter weight for T0, T1, T2, and T3 were 1737.50±15.50, 1795.75±13.23, 1795.75±13.23, and 1902.00±63.97g/bird, respectively. The percentage of slaughter weight, blood weight, the percentage of blood weight,feather-weight, the percentage of feather-weight, non-carcass weight, and the percentage of non-carcass weight were 96.84±0.12; 96.64±0.11; 96.33±0.09; 96.52±0.15 %/bird; 56.75±2.06, 62.50±1.91, 76.25±2.87, and 68.50±2.38g/bird; 3.16±0.12, 3.37±0.11, 3.67±0.09, and 3.48±0.15 %/bird; were 71.75±10.31, 65.25±7.18, 72.25±9.78, and 72.25±8.22 g/bird; were 3.99±0.57, 3.51±0.38, 3.47±0.32, and 3.67±0.48 %/bird; 506.56±5.30, 495.98±21.36, 530.78±20.30, and 537.80±26.07 g/bird; and 28.24±0.54, 26.69±1.08, 25.53±0.38, and 27.29±0.88 %/bird, respectively. It was concluded that supplementation with 1.0% of l-threonine improved the growth performance of broilers.
Polimorfisme Protein Darah Transferrin Domba Padjadjaran Jantan Dewasa di Kampung Nenggeng Kecamatan Darangdan Kabupaten Purwakarta Jawa Barat Yuliana Kolo; Sri Bandiati Komar Prajoga; Dudi Dudi
JAS Vol 7 No 1 (2022): Journal of Animal Science (JAS) - January 2022
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v7i1.1509

Abstract

This study aim to determine frequency gene and transferrin protein heterozygosity of male Padjadjaran sheep. Blood sample taken were 46 male Padjadjaran sheep. The research method will be used in this study descriptive method, namely the ram will be used as a stud with laboratory analysis used is the SDS-PAGE (Sodium Dodecyl Sulfate-Polyacrylamide Gel Electrophoresis) method. SDS-PAGE was used detect the appearance of blood protein bands. The transferrin frequency gene was calculated by the general formula for population genetic. Heterozygosity of transferrin protein was observed to determine the equilibrium status of Hardy Weinberg's Law. The results showed that there were two transferrin allele, namely TfA and TfB. The frequency of TfA gene is greater than that of TfB. Transferrin heterozygosity indicates compliance with the Hardy-Weinberg law equilibrium.
Uji Daya Hambat Tepung Tanaman Kenikir (Cosmos caudatus kunth) terhadap Bakteri Salmonella Sp, Escherichia coli Serta Evaluasi Senyawa Zat Aktif Flavonoid, Polifenol dan Saponin Maria Selfiana Pasi; Irfan H. Djunaidi; M. Halim Natsir
JAS Vol 7 No 1 (2022): Journal of Animal Science (JAS) - January 2022
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v7i1.1579

Abstract

This study aims to determine the extent to which parts of the kenikir plant have the inhibitory power of salmonella sp, escherichia coli bacteria and evaluate the active compounds of flavonoids, polyphenols and saponins that have the potential as feed additives. This research was carried out at the Laboratory of Plant Pests and Diseases, Faculty of Agriculture, Universitas Brawijaya and the Laboratory of Metria Medica Batu Malang on October 22, 2018. This study used an experimental method with a completely randomized design (CRD) consisting of 4 treatments and 6 replications. Treatments P0 (bacterial isolate + Aquades 30 %), P1 (bacterial isolate + 30% kenikir leaf powder concentration solution), P2 (bacterial isolate + 30% kenikir stem flour concentration solution), P3 (bacterial isolate + Leaf and stem flour concentration solution cringe 30%). The parameters observed were the inhibition of kenikir flour plant parts against Salmonella sp., Escherichia coli bacteria and evaluation of the active compounds of flavonoids, polyphenols and saponins from kenikir plant flour. The results showed that the effect of differences in flour from the part of the kenikir plant on the inhibition of bacteria was very significant (P<0.01) on Salmonella sp and Escherichia coli bacteria.
Kualitas Semen Babi Landrace Dalam Pengencer Semen Sitrat-Kuning Telur Yang Ditambah Glukosa Dengan Konsentrasi Berbeda Paskalius Leki Nahak; Agustinus A. Dethan; Kristoforus W. Kia
JAS Vol 7 No 1 (2022): Journal of Animal Science (JAS) - January 2022
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v7i1.1593

Abstract

The purpose of this study was to determine the effect of shelf life in Beltsville Thawing Solution (BTS) cement on motility, viability, abnormality and degree of storage (pH) of landrace pig semen. The semen used was fresh semen from a 4-year-old Landrace boar. This study used an experimental method using a completely randomized design (CRD) with four treatments (P0 10%, P1 10%, P2 10% and P3 10%) and four replications so that there were 16 experimental units. The results showed that the BTS cement diluent was significantly different (P>0.05) on the motility of spermatozoa with the average value of each treatment being P0 (68.25%), P1 (58.25%), P2 (38.50%). and P3 (10.75%). The percentage of spermatozoa viability was significantly different (P<0.05) between treatments, where the P2 treatment was relatively the same as the P3 and P4 treatments but was higher than the P1 treatment with respective values P1 (83%), P2 (90.1%) , P3 (93.5%) and P4 (91.5%). Percentage of spermatozoa abnormalities resulting from analysis of variance (ANOVA) from each treatment there was a non-significant difference (P>0.05) where the values were P1 (8.2%), P2 (9.2%), P3 (8.1%) and P4 (9.2%). The degree of relative difference (pH) was significant (P<0.05) between treatments, where the treatment was the same as P2 but more than P4 treatment. On the other hand, P3 was relatively the same as treatment P1, P2 and P4, with the respective treatments being P1 (8.36), P2 (7.99), P3 (7.676) and P4 (6.83). It can be said that the use of different glucose concentrations in the diluent of egg yolk citrate semen with good quality, namely in the P3 treatment with a glucose concentration of 15%, the average percentage of individual motility was 64%, the percentage of live spermatozoa was 93.5%, the percentage of abnormal spermatozoa was 8.1%. and the average pH (degree so) of cement is 7.68.
Aplikasi Arang Sekam terhadap Pertumbuhan dan Produksi Rumput Benggala (Panicum maximum). Richardus Fretis; Stefanus Sio; Theresia I. Purwantiningsih
JAS Vol 7 No 2 (2022): Journal of Animal Science (JAS) - April 2022
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v7i2.1367

Abstract

This study aimed to determine husk charcoal's effect on the growth and production of Bengal Grass (Panicum maximum). The method used in this study is an experimental method using a completely randomized design (CRD) with 4 treatments and 3 replications. The variables measured in this study included plant height, number of leaves, fresh weight, and dry weight. The treatments were A0 (without husk charcoal), A1 (150 gr husk charcoal), A2 (200 gr husk charcoal), and A3 (250 gr husk charcoal). The results showed that the highest average growth was in the cultivation of A2 plants = 61,15 cm (plant height); A2 = 58,22 pieces (number of leaves); A2 = 779,88 g (fresh weight); and A3 = 505,60 g (dry weight). It concluded that all treatments applied with different doses of husk charcoal gave the best results in treatment A2 (husk charcoal 200 g) on the variables of plant height, number of leaves, and plant fresh weight, while on the variable dry weight of plants increased in treatment A3 (husk charcoal 250 g).
Pengaruh Penggunaan Mikroorganisme Lokal (MOL) Cairan Rumen Sapi Pada Level Inokulum yang Berbeda terhadap Nilai Kandungan Serat Jerami Padi Terfermentasi Lodovitus Aman; Stefanus Sio; Gerson Frans Bira
JAS Vol 7 No 2 (2022): Journal of Animal Science (JAS) - April 2022
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v7i2.1676

Abstract

Feed is one of the most important factors for livestock productivity. One of the obstacles in the development of the livestock business is the lack of availability of feed ingredients in terms of quantity, quality, and continuity. The need for feed is not constant because forage is very dependent on the season, where in the rainy season, feed is very abundant, and in summer, the availability of feed is very less. One way to overcome this is to use rice straw as an alternative feed for livestock, which is abundantly available during the harvest season. However, rice straw has high ADF, NDF, lignin and cellulose content, so rice straw needs to be processed. This study aims to determine the effect of using local microorganisms (MOL) of cow rumen fluid at different inoculum levels on the quality of fermented rice straw to overcome the lack of feed in certain seasons. The study used a completely randomized design (CRD) with 4 treatments and 4 replications, namely R0: 87% rice straw + 10% rice bran + 3% molasses (without MOL of cow rumen fluid/control); R1: Rice Straw 87% + Rice Bran 10% + molasses 3% + MOL cow rumen fluid 5%; R2: Rice Straw 87% + Rice Bran 10% + molasses 3% + MOL cow rumen fluid 10%; R3: Rice Straw 87% + Rice Bran 10% + molasses 3% + MOL beef rumen fluid 15%. The percentage of molasses and cow's rumen fluid was adjusted to the weight of chopped rice straw and the data were analyzed using analysis of variance (Anova). The results showed that the treatment had a significant effect (P<0,05) on the ADF, NDF, lignin, and cellulose content of rice straw. It can be concluded that the higher the level of MOL use of cow rumen fluid, the lower the content of ADF, NDF, lignin, and cellulose in rice straw.
Kualitas Mikroskopis Semen Ayam Kampung yang Disumplementasikan L-Arginine dan L-Lysine HCl Dalam Pakan Yuliana Mau; Agustinus Agung Dethan; Charles V. Lisnahan
JAS Vol 7 No 2 (2022): Journal of Animal Science (JAS) - April 2022
Publisher : Program Studi Peternakan, Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/ja.v7i2.1691

Abstract

This study aims to determine the quality of semen microscopically in male free-range chickens supplemented with L-Arginine and L-Lysine in the feed. The study used 43 male free-range chickens aged 3 months, and data collection was taken when the chickens were 5 months old. The treatments consisted of T1: control feed + L-Arginine 0,4 g + L-Lysine 0,6 g; T2: Control feed + L-Arginine 0,6 g + L-Lysine 0,6 g; T3: Control feed + L-Arginine 0,4 g + L-Lysine 0,8 g; and T4: Control feed + L-Arginine 0,6 g + L-Lysine 0,8 g. The variables observed in this study were motility, viability, and spermatozoa abnormalities. The highest mean mass motility value was found in treatment (T4) of 2,6±0,93 and individual motility, the highest average value was also found in (T4) 80±13,32%, the highest mean viability was found in (T2) of 95±1,58%, and the lowest mean abnormal is found in (T1) of 13,5±1,60%. Statistical analysis showed that the administration of the amino acids L-Arginine and L-Lysine with different levels had a significant effect on viability while on mass motility; individual motility and abnormal spermatozoa had no significant effect. It was concluded that the use of L-arginine 0,6 g and L-lysine 0,6 g supplemented in the free-range chicken feed had a significant effect on spermatozoa viability while mass motility, individual motility and abnormal spermatozoa had no significant effect.

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