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Tropical Animal Science Journal

tasj
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Published by Institut Pertanian Bogor

ISSN : 2615787X EISSN : 2615790X DOI : -

Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Energy

ropical Animal Science Journal (Trop. Anim. Sci. J.) previously Media Peternakan is a scientific journal covering broad aspects of tropical animal sciences. Started from 2018, the title is changed from Media Peternakan in order to develop and expand the distribution as well as increase the visibility of the journal. The journal is published three times a year in April, August, and December by Faculty of Animal Science, IPB University (Bogor Agricultural University), associated with Animal Scientist's Society of Indonesia. The first edition with the new title will be published in April 2018 edition (Vol 41 No 1 2018), while the previous edition (up to 2017 edition) will still use Media Peternakan as the title and could be accessed in the old website (http://medpet.journal.ipb.ac.id/). This journal has been accredited by National Journal Accreditation (ARJUNA) Managed by Ministry of Research, Technology, and Higher Education, Republic Indonesia with First Grade (Sinta 1) since year 2018 to 2022 according to the decree No. 30/E/KPT/2018.

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Articles 10 Documents

Search results for , issue "Vol. 41 No. 3 (2018): Tropical Animal Science Journal" : 10 Documents clear

Growth and Production of Brachiaria brizantha cv. MG5 in Three Difference Regrowth Phase Treated by Gamma Radiation Dose A. N. Respati; N. Umami; C. Hanim
Tropical Animal Science Journal Vol. 41 No. 3 (2018): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

This study was aimed to determine the effect of dose of gamma radiation of seeds on plant growth and plant production of Brachiaria brizantha cv. MG5 during 3 different growth phases. The variables measured were plant growth parameters (height and length of plant, number of leaves and tillers) and production (dry matter and organic matter productions). Data were analyzed in a 5 x 3 factorial design. The first factor was dose of gamma radiation consisted of 5 levels i.e., 0, 100, 200, 300, and 400 Gy. The second factor was regrowth phase consisted of 3 levels i.e., growth phase 1, growth phase 2, and growth phase 3. The difference between means was analyzed using Duncan’s Multiple Range Test (DMRT). The results showed that dose of gamma radiation influenced the plant growth and production (P<0.05) on different growth phases. The dose of 100 Gy gamma radiation showed the highest height and length, as well as dry matter and organic matter productions. The dose of 200 Gy gamma radiation showed the highest number of leaves and tillers. During regrowth phase 2, the grasses showed the highest of height, number of leaves and tillers, and organic matter production, while during regrowth phase 3, the grasses showed the highest length (P<0.05). There was an interaction between the dose of gamma radiation of seeds and regrowth phases on the growth and production of B. brizantha cv. MG5 (P<0.05). The dose of 100 Gy radiation of seeds and regrowth phase 2 gave the best interaction. In conclusion, the dose of 100 Gy radiation of seeds gave the best growth and production of B. brizantha cv. MG5 during regrowth phase 2.

In Vitro and in Vivo Anthelmintic Activities of Aqueous Leaf Infusion of Azadirachta indica against Haemonchus contortus A. A. Sakti; Kustantinah Kustantinah; R. W. Nurcahyo
Tropical Animal Science Journal Vol. 41 No. 3 (2018): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2018.41.3.185

Anthelmintic resistance of Haemonchus contortus worm has become a major problem in ruminant production. Traditional medicinal and potential tropical plants with high tannin contents have a great potency as an alternative source of bio-anthelmintic. The study was carried out to assess the in vitro egg hatches inhibiting (EHI) and adult worm motility (AWM) tests and in vivo anthelmintic activities of aqueous leaf infusion of Azadirachta indica against H. contortus. Leaf infusion at doses of 2%, 4%, and 6% were used for in vitro treatments, and albendazole at a dose of 2 mg/mL was used as a positive control and 0.9% of sodium chloride was used as a negative control. The EHI assay was conducted two times i.e., before treatment and 24 h after treatment. The AWM were monitored 15 and 30 min, and 1, 2, 3, 4, 5, 6, 7, and 8 h post treatment. Sixteen Javanese Thin Tail ewes at the ages of ±12 months that naturally positive of H. contortus with about 1.000 EPG were selected and allocated randomly to 4 groups (n= 4). They were subsequently received the ensuing treatments i.e., A. indica infusion at doses of 0% (A) as a control, 6% (B), 8% (C), and 5 mg/BW albendazole (D) at a single oral dose as a positive control. Experimental ewes in Groups B and C were given oral infusion weekly during 4 weeks of treatment. EPG’s fecal examinations were conducted weekly. The result showed that the leaf infusion of A. indica containing condensed tannin (CT) at a dose of 6% significantly inhibited egg hatching (P<0.05) with a better effect compared to doses of 0%, 2%, and 4%. In AWM test, three doses of infusion significantly difference each other, as well as both negative and positive controls (P<0.05). After treatment, both of the A. indica containing CT levels and albendazole reduced EPG count significantly (P<0.05). Meanwhile, significant difference was not detected in dose of 8% aqueous leaf infusion of A. indica and albendazole treatments on weeks 3, 4, 5, and 6 consecutively. In conclusion, the aqueous leaf infusion of A. indica is fully potential as a bio anthelmintic against H. contortus.

Anti-diabetic Potency and Characteristics of Probiotic Goat-Milk Yogurt Supplemented with Roselle Extract during Cold Storage R. R. S. Wihansah; I. I. Arief; I. Batubara
Tropical Animal Science Journal Vol. 41 No. 3 (2018): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

This study aimed to evaluate the anti-diabetic potency by in vitro method and the characteristics of probiotic goat-milk yogurt supplemented with roselle extract during cold storage. The experiment used three treatments namely yogurt, probiotic yogurt, and probiotic yogurt supplemented with roselle extract. Yogurt was stored in cold storage (4 oC) and was evaluated for the characteristics and anti-diabetic potency on days 0, 5, 10, and 15. The anti-diabetic potency was analyzed by a-glucosidase inhibitory activity. The results showed that goat milk in this study had a good quality including fat, SNF, protein, lactose content, density, and freezing point. Roselle extract had anti-diabetic potency with 87.72% inhibition at 25% concentration and also had 13.64% IC50 value. The anti-diabetic potency was affected by the type of yogurt, storage duration, and their interaction (P<0.05). Viscosity and water activity were affected by storage duration (P<0.05), meanwhile titratable acidity and pH value were affected by the type of yogurt. Total lactic acid bacteria were affected by storage duration, and there was an interaction between the type of yogurt and storage duration. In conclusion, probiotic yogurt supplemented with roselle extract had the highest anti-diabetic potency among all treatments with 36.70% inhibition. The inhibitory activity of probiotic yogurt supplemented with roselle extract decreased during 15 days of cold storage. The inhibition was comparable with acarbose at 0.1-0.5 ppm concentration. Physical, chemical, and microbiological characteristics of yogurt in this study were good and could be consumed up to 15 days of cold storage.

Isolation of Cellulolytic Lactic-Acid Bacteria from Mentok (Anas moschata) Gastro-Intestinal Tract H. Herdian; L. Istiqomah; E. Damayanti; A. E. Suryani; A. S. Anggraeni; N. Rosyada; A. Susilowati
Tropical Animal Science Journal Vol. 41 No. 3 (2018): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Mentok, a local Indonesian name’s of muscovy duck (Anas moschata), has been known as a duck with the capability to consume poor quality feed, high with non-starch carbohydrate (NSP) content. This capacity occurs because of the presence of microbial fermentation activity in the gastro intestinal tract (GIT) of mentok. However, the information about the identification and characterization of the cellulolytic microbes involved is limited. This study was expected to provide scientific contributions about gastrointestinal microbes, especially Lactic Acid Bacteria (LAB), with cellulolytic activities. The experiment was conducted to select LAB with cellulolytic activity from the GIT of mentok. Twenty six of selected LABs were isolated from the duodenum, cecum, and colon regions after microbiological characterization, i.e., morphology, catalase test, gas production, Gram staining, and motility test. Characterization for cellulolytic activity was analyzed by measuring the clearing zone on Carboxymethylcellulose (CMC) media, cell growth analysis on 1% CMC as a carbon source, and CMCase value. Pediococcus acidilactici MK 20 isolate from colon region was selected LAB with the highest cellulolytic activity with the clearing zone diameter, and the CMCase value of 2.33 mm and 0.0153 U/mL, respectively. Molecular identification using 16S rRNA gene sequences analysis revealed that P. acidilactici MK 20 isolate has 99% similarity with P. acidilactici strain ZW001. It was concluded that P. acidilactici MK 20 isolated from the colon part of the gastrointestinal tract of mentok, the Indonesian muscovy duck (A. moschata) had cellulolytic activity.

Pre-Adipocyte Determination and Adipocyte Differentiation of Stromal Vascular Cells Isolated From Intramuscular Tissue of Hanwoo Beef Cattle Treated by Acetate and Propionate T. G. Wandita; N. Joshi; H. H. Kim; S. J. An; S. G. Hwang
Tropical Animal Science Journal Vol. 41 No. 3 (2018): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

The effects of acetate and propionate in enhancing intramuscular fat (marbling) deposition in beef cattle are poorly understood. This study aimed to evaluate the effects of acetate and propionate on pre-adipocyte determination and adipocyte differentiation in stromal vascular cells (SVC) isolated from the intramuscular tissue of Hanwoo beef cattle. SVC were isolated and treated with different concentrations of acetate and propionate (0.125 to 1 mM). Pre-adipocyte determination was observed through the Zfp423 (Zinc finger protein 423) and Pref-1 (Pre-adipocyte factor-1) genes expressions, which were important transcription factors used to identify committed pre-adipocytes. Adipocyte differentiation was determined based on the lipid accumulation, triglyceride contents, and their molecular activities related to adipogenic markers. The results suggest that acetate supports pre-adipocyte determination in SVC which is observed to increase the expression of Zfp423 and Pref-1 along with the increasing acetate concentration. Propionate treatment was seen to significantly affect lipid accumulation as well as triglyceride content in SVC, compared to acetate treatment. Furthermore, propionate treatment very significantly increased the expressions of PPARγ, C/EBPα, SREBP-1c, and FABP4. In conclusion, acetate likely enhances pre-adipocyte determination, while propionate effectively promotes adipogenesis in SVC isolated from the intramuscular tissue of Hanwoo beef cattle.

Carcass and Meat Characteristics of Male Bali Cattle in Indonesian Smallholder Farms Fed Ration with Different Protein Levels P. K. Tahuk; S. P. S. Budhi; Panjono Panjono; E. Baliarti
Tropical Animal Science Journal Vol. 41 No. 3 (2018): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2018.41.3.215

The objective of research was to determine the effect of different protein levels on the carcass and meat characteristics of male Bali cattle fattened in smallholder farms. The cattle used were 18 heads aged 2 to 2.5 years with initial body weight of 229.86±12.46 kg. The experimental cattle were randomly divided into 3 treatment groups i.e., T₀, T₁, and T₂. The T₀ group cattle were fed ration according to traditional practices of fattening cattle by farmers (100% forage). The T₁ group cattle were fed ration with 12% CP and 72% TDN. The T₂ group cattle were fed ration with 15% CP and 72% TDN. The variables measured were final body weight and the characteristics of the carcass (meat, fat, and ratio of meat to bone), and meat quality including the chemical composition of the meat (protein, fat, and collagen), meat tenderness, cooking loss, water holding capacity, and degree of acidity (pH). Data were analyzed by variance analysis. Results of research showed that the final body weight, and weight of carcass, meat, and fat of T₁ and T₂ groups were similar; conversely, those parameters in T₀ group cattle were lower (P<0.05) that those in T₁ and T₂ groups cattle. The meat protein content of T₁ and T₀ groups cattle were similar; conversely, T₂ group cattle had lower (P<0.05) meat protein content compared to T₁ and T₀ groups cattle. Fat content of T₁ group of cattle was higher (P<0.05) than that of T₀ group; while moisture contents and cooking losses of T₀ group cattle were higher (P<0.05) compared to those of T1 and T₂ groups cattle. Collagen content of meat in T₁ group cattle was higher than (P<0.05) that in T₀ group cattle, but T₂ group cattle had similar meat collagen content to T₁ and T₀ groups cattle. Meat tenderness of T₁ group cattle was higher (P<0.05) compared to those of T₀ and T₂ group cattle. It is concluded that the male Bali cattle fed ration with 12% CP and 72% TDN can increase the carcass characteristics and meat quality. This proves that the productivity of male Bali cattle can be increased when fed ration with adequate protein with a balanced energy content.

Analysis of Domestic Resources Cost Based on Farm Typology of Bali Cattle in Plampang Sumbawa Regency, West Nusa Tenggara Sudirman Sudirman; B. Hartono; I. Subagiyo; B. A. Nugroho
Tropical Animal Science Journal Vol. 41 No. 3 (2018): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

The objectives of the study were to analyze the use of Domestic Resources Cost based on the most prevalent typology of Bali cattle farm and to analyze the economic efficiency based on the typology of Bali cattle farm in Plampang Sub-district Sumbawa Regency, West Nusa Tenggara (NTB). The study was carried out in Plampang Sub-district, Sumbawa Regency in 2017, with 53 respondents selected randomly and the key respondents were head of farms UPT, extension workers, inter-island traders, agricultural equipment traders, as well as agricultural materials and medicines traders. The respondents were acquired by applying systematic random sampling based on the farm typology with survey method and analyzed by the analysis of Domestic Resource Cost and analysis of Policy Analysis Matrix. There were three most prevalent farm typologies of Bali cattle production system used by the farmers in Plampang Sub-district, Sumbawa Regency, West Nusa Tenggara. The most prevalent production systems were: a typology of 6 months grazed (June-November) and 6 months confined (December-May) which was called with an acronym as 66 typology, typology of tethered throughout the year called as tethered typology, and typology of confined throughout the years called as confined typology. Bali cattle comparative advantage based on the farm typology as shown by Domestic Resource Cost Ratio (DRCR) values were 0.28 in 66 typology, 0.48 in tethered typology, and 0.31 in confined typology. It means that to save Rp. 100 is required the domestic factor cost Rp. 28 of 66 typology; Rp. 48 of tethered typology, and Rp. 31 of confined typology. Thus, it can be concluded that if domestic beef from Bali cattle is produced domestically, it will save the foreign exchange as much as 72% of 66 typology; 54% of tethered typology; and 69% of confined typology based on the import costs that must be spent. The competitive advantage is shown by the PCR values of 0.32 in 66 typology, 0.46 in tethered typology, and 0.35 in confined typology.

Authentication of Sumateran Wild Boar (Sus scrofa vittatus) Meat Contamination by Polymerase Chain Reaction Restriction Fragment Length Polymorphism (PCR-RFLP) Technique of Cytochrome b Gene M. W. Adiningsih; R. D. Soejoedono; T. Purnawarman; H. Latif; O. N. Poetri; D. D. Putri
Tropical Animal Science Journal Vol. 41 No. 3 (2018): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

High population of Sumateran wild boar causes the increasing number of hunting and overflowing of wild boar meat availability in the market at a very low price. This condition leads to the falsification of meat. This study was aimed to characterize and differentiate Sumateran wild boar meat (Sus scrofa vittatus) and beef (Bos taurus) since Sumateran wild boar meat is often falsified as a beef in Indonesian traditional market. The domesticated pork meat (Sus scrofa domestica) was also investigated to compare Sumateran wild boar meat and domestic pork. Samples used in this study were DNA (deoxyribonucleic acid) from pork (Sus scrofa domestica), Sumateran wild boar meat (Sus scrofa vittatus), and beef (Bos taurus). Beef and pork were obtained from traditional markets in Bogor city whereas Sumateran wild boar meat was obtained from Way Kanan Regency, Lampung Province. Herein, we performed a thorough investigation on Sumateran wild boar meat (Sus scrofa vittatus) and beef (Bos taurus) using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. This study utilized cytochrome b primer from mitochondria DNA with the size target amplification of 359 bp. This study utilized the restriction endonuclease enzymes, i.e. AluI, BsaJI, HindIII, RsaI, HaeIII, and TaqαI, in order to digest the amplification products from cytochrome b gene. The results showed that HaeIII is the merely specific enzyme to discriminate wild boar meat, domestic pork, and beef since HaeIII was able to digest these three meats in different locations of cyt b gene. However, AluI, BsaJI, HindIII, RsaI, and TaqαI enzymes were not specific enough to differentiate wild boar meat and domestic pork. In conclusion, among six tested enzymes, the use of PCR-RFLP analysis of the cyt b gene followed by digestion using HaeIII restriction enzyme provides a simple, relatively quick, and accurate identification of Sumateran wild boar species.

Identification of Single Nucleotide Polymorphism and Pathway Analysis of Apolipoprotein A5 (APOA5) Related to Fatty Acid Traits in Indonesian Sheep A. Gunawan; D. Anggrela; K. Listyarini; M. A. Abuzahra; Jakaria Jakaria; M. Yamin; I. Inounu; C. Sumantri
Tropical Animal Science Journal Vol. 41 No. 3 (2018): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

This study was aimed to identify single nucleotide polymorphism (SNP) and pathway analysis of APOA5 with fatty acids traits in sheep. A total of 47 rams consisted of 20 heads of Javanese Fat Tailed (JFT), 17 heads of Javanese Thin Tailed (JTT), and 10 heads of Garut Composite Sheep (GCS) were used in this study. Fatty acids traits were measured at the age of 12 months with the average body weight of 25-30 kg. Identification of polymorphism of APOA5 (g.26929941 C>T) gene were analyzed using Polymerase Chain Reaction-Restriction Fragment Length Polymorphism (PCR-RFLP). The pathway analysis of APOA5 gene was performed using Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis. The SNP of APOA5 gene were found polymorphic with three genotypes (CC, CT, and TT). The gene frequency of CC, CT, and TT were 0.83, 0.11, and 0.06, respectively. The chi square test revealed that the locus of APOA5 (g.26929941 C>T) was in Hardy-Weinberg equilibrium, except in thin tailed sheep. The chi-square values of JFT, JTT, and GCS were 0.05, 0.03, and 0.04, respectively. A SNP of APOA5 was associated (P<0.05) with polyunsaturated fatty acids including eicosapentanoic acid (C20:5n3) and docosahexanoic (C22:6n3) and saturated fatty acid lauric acid (C12:0) in combined population (JFT, JTT, and GCS). Furthermore, pathway analysis showed that APOA5 belonged to phagosome and peroxisome proliferator-activated receptors (PPAR) signaling pathway. In conclusion, this analysis has identified APOA5 and related pathway crucial for fatty acid composition and metabolism in sheep, as well as this gene provide molecular marker to select sheepmeat with high unsaturated fatty acid.

Detection of blaTEM Gene of Klebsiella pneumoniae Isolated from Swab of Food-Producing Animals in East Java M. H. Effendi; I. G. Bintari; E. B. Aksono; I. P. Hermawan
Tropical Animal Science Journal Vol. 41 No. 3 (2018): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Klebsiella pneumoniae is one of 9 bacteria resistance to antibiotics in concern. This research aimed to detect any gene of blaTEM in bacteria of the K. pneumoniae isolated from swab of food-producing animals. In this study, 195 swab samples were taken from 17 sampling locations. Samples obtained were cultivated on selective medium and had several tests including identification, antibiotic sensitivity test using Kirby-Bauer method against antibiotics of ampicillin, cefotaxime, amoxicillin, meropenem, and trimetrophrim-sulfamethoxazole, and followed by PCR test for detecting the gene that was responsible for the antibiotic resistances. The results showed that 10 out of 195 samples were found to be K. pneumonia, those were 4 samples originated from dairy cows (SP-S1, SP-S3, SP-B2, SP-G4), 2 samples originated from beef (SPT-K1, SPT-K2), 1 sample originated from chickens (A-W5), and 3 samples originated from fish (IN-P2, IN-P3, IN-S3). Most of isolates (9/10) were found to be resistant toward amoxicillin. These isolates were SP-S3, SP-B2, SP-G4, SPT-KI, SPT-K2, A-W5, IN-P2, IN-P3, and the IN-S3 and all of them also showed to be positive of blaTEM gene. It could be concluded that most of K. pneumoniae isolates from food animals harbour had Extended Spectrum Beta-Lactamase (ESBL) encoding gene.

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Prof. Dr. Ir. Komang G. Wiryawan

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Faculty of Animal Science Building, IPB University (Bogor Agricultural University) Jln Agatis, Kampus IPB Darmaga, Bogor 16680, Indonesia

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Prof. Dr. Ir. Komang G. Wiryawan

Contact Email kgwiryawan@yahoo.com

Phone +622518421692

Journal Mail Official mediapeternakan@apps.ipb.ac.id

Editorial Address Faculty of Animal Science Building, IPB University (Bogor Agricultural University) Jln Agatis, Kampus IPB Darmaga, Bogor 16680, Indonesia

Location Kota bogor, Jawa barat INDONESIA

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Contact Name
Prof. Dr. Ir. Komang G. Wiryawan

Contact Email
kgwiryawan@yahoo.com

Phone
+622518421692

Journal Mail Official
mediapeternakan@apps.ipb.ac.id

Editorial Address
Faculty of Animal Science Building, IPB University (Bogor Agricultural University) Jln Agatis, Kampus IPB Darmaga, Bogor 16680, Indonesia

Location
Kota bogor,

Jawa barat

INDONESIA