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Tropical Animal Science Journal

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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 12 Documents

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Search results for , issue "Vol. 43 No. 1 (2020): Tropical Animal Science Journal" : 12 Documents clear

Immune Responses and Egg Productions of Quails Fed Rations Supplemented with Larvae Meal of Black Soldier Fly (Hermetia illucens) Harlystiarini Harlystiarini; R. Mutia; I. W. T. Wibawan; D. A. Astuti
Tropical Animal Science Journal Vol. 43 No. 1 (2020): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

The larvae of black soldier fly/BSF (Hermetia illucens) seems to be a considerable material as an alternative to antibiotic growth promoters (AGPs) since they are rich in antimicrobial peptides (AMPs) and lauric acid that can improve the health and immune response. This study aimed to evaluate the effect of BSF larvae meal as a replacement of fish meal on production performances, health status, and immune response of quails. The experimental design using completely randomized design consisted of 3 treatments of dose of BSF larvae meal i.e., R0: ration without supplementation of BSF larvae meal; R1: ration supplemented with 6.57% BSF larvae meal to substitute 50% fish meal, and R2: ration supplemented with 13.15% BSF larvae meal to substitute 100% fish meal. The parameters observed were production performances, hematological profile, macrophage phagocytic activity and capacity, and antibody titer against the avian influenza virus. A completely randomized design was arranged with 3 treatments and 5 replications and data collected were analyzed by using one-way analysis of variance (ANOVA). The results showed that ration supplemented with 13.15% BSF larvae meal demonstrated significant effects on the enhancement of egg production and egg mass (p<0.05). Based on hematological profile, the health status of experimental quails was unaltered by the treatments, but immune response of quails fed ration supplemented with 13.15% BSF larvae meal was found to be significantly increased as revealed by the increased average macrophage phagocytic activity and capacity, as well as a higher antibody titer against avian influenza virus (p<0.05). It is concluded that black soldier fly (BSF) larvae meal can be used as an alternative substitution to fish meal up to 13.15%, based on the improvement of immune response and the increase in egg production of quails.

The Analysis of Production Costs of Laying Hen Farms Using Semi Self-Mixing and Total Self-Mixing Feeds in Blitar Regency, East Java R. Afandi; B. Hartono; I. Djunaidi
Tropical Animal Science Journal Vol. 43 No. 1 (2020): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Feed plays an important role in determining the success of livestock businesses and also as a significant cost factor. Feed contributes 60%-80% of the total production costs. The types of feed could have different effects on the cost, efficiency, and productivity of livestock business. Some laying-hen farmers in Blitar District use two kinds of feed, semi self-mixed feed, and total self-mixed feed. This study was conducted to compare the use of two types of feed on the net revenue of laying hen farmers in Blitar Regency. The research used the survey method. The sample in this research consisted of 100 laying-hen farmers in Blitar Regency, 50 of them used semi self-mixing feed and the rest used total self-mixing feed. Data were collected from several laying hen farms in Blitar Regency with a survey method. All data were then analyzed both qualitatively and quantitatively. The average feed price of semi self-mixed feed and total self-mixed feeds were IDR 5,143.38 and IDR 4,854.91 per kg, respectively. The results showed that the feed price, cost of medication/vaccine, the amount of feed, and egg production for semi self-mixed feed farmers had significant effects on the net revenue of the farmer (p<0.05), with the average net revenue being IDR 12,785,471.68 per 1,000 birds/period. Whereas for total self-mixed feed, the medication/vaccine cost and feed amount had significant effects on the net revenue of the farmer (p<0.05), with the average net revenue being IDR 18,467,373.76 per 1,000 birds/period. As a conclusion, the total self-mixed feed showed more optimal net revenue of laying hen than semi self-mixed feed.

Production of Functional Kampong Chicken Meat with Low Cholesterol, High Antioxidant, and Unsaturated Fatty Acids Fed Noni (Morinda citrifolia) Leaf Shoot Meal T. M. Wardiny; Sumiati Sumiati; Y. Retnani; A. Setiyono
Tropical Animal Science Journal Vol. 43 No. 1 (2020): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

The objective of this study was to evaluate the effect of noni (Morinda citrifolia) leaf shoot meal (NLSM) supplementation in the ration on the performances of kampong chickens as well as lipid, malondialdehyde (MDA), and fatty acid contents of meats. Two hundred and forty kampong chickens of 4 weeks old were reared until 12 weeks old. The diet treatments were R0: 0% NLSM (control), R1: 0.5% NLSM, R2: 1% NLSM, R3: 1.5% NLSM, R4: 2% NLSM, and R5: 2.5% NLSM. A completely randomized design (CRD) was used with six treatments and four replications with ten kampong chickens per replicate. The data were analyzed using ANOVA and if there were significant different, the data were further analyzed using Duncan’s Multiple Range Test. The variables measured were performances of kampong chickens as well as lipid, MDA, and fatty acid contents of meat. The result showed that cholesterol and LDL contents of meat were significantly reduced by feeding NLSM. Performance and HDL contents of meat were not significantly different for all diet treatments. In addition, feeding kampong chickens with ration supplemented with NLSM could reduce MDA, saturated fatty acids and increase unsaturated fatty acids contents of meat. It is concluded that 2.5% NLSM can be used to improve meat quality of kampong chicken as functional meat.

Genetic Variation of Eight Indonesian Swamp-Buffalo Populations Based on Cytochrome b Gene Marker M. Rusdin; D. D. Solihin; A. Gunawan; C. Talib; C. Sumantri
Tropical Animal Science Journal Vol. 43 No. 1 (2020): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Genetic variation is a major concern in animal genetic resources conservation program. This study aimed to analyze genetic variation and phylogeography of eight Indonesian swamp-buffalo populations based on cytochrome b gene marker. A total of 78 DNA fragment samples originating from eight Indonesian swamp-buffalo populations were used in this study, namely Bombana Island, Bombana mainland, Kolaka, Konawe, North Toraja, West Nusa Tenggara, Banten, and Aceh with 11, 10, 13, 14, 10, 10, 5, and 5 samples, respectively. The cytochrome b gene sequence and genetic variation parameters were analyzed in MEGA software (ver 6), and DnaSP software (ver 5.10.01). The results of this study showed that all DNA-fragment samples were successfully amplified by PCR technique with the size target (906 bp). Based on the distribution of all samples, it was found 9 polymorphic sites, and 10 haplotypes with the haplotype diversities were 0.6590. The average of genetic distances between populations ranged from 0.0000-0.002. They were grouped into two main clusters. The first cluster consisted of Aceh, North Toraja, West Nusa Tenggara, Banten, Kolaka, and Konawe populations, meanwhile, the second cluster consisted of Bombana Island, Bombana mainland, Kolaka, and Konawe populations. The results of the study were concluded that eight Indonesian local swamp-buffalo populations were grouped into two main clusters where Bombana Island and Bombana mainland populations were specific breeds because they were only found in the second cluster and also had specific nucleotides sites on the 57 nucleotides which C base changed to T. The results of this study were useful in formulating the program of conservation and utilization of Indonesian buffalo genetic resources, especially in the buffalo population with specific breeds.

The Regional Analysis of Beef Cattle Farm Development in Semarang Regency B. Santoso; B. W. H. E. Prasetiyono
Tropical Animal Science Journal Vol. 43 No. 1 (2020): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

One of the reasons for the low production and productivity of beef cattle in Indonesia is that information on the allocation of livestock areas development is not yet clear. This study aimed to determine the priority areas for developing beef cattle farm in Semarang Regency based on the concept of sustainability. Sustainability was analyzed through the determination of leading commodities (analysis of Location Quotient and Shift Share), optimization of regional potential (analysis of carrying capacity and carrying capacity index of forage, and assessment of suitability of ecological environment of beef cattle). The process of spatial analysis used GIS software. Comprehensive planning for the development of beef cattle farm was directed in three sub-districts, namely: Bringin, Bancak, and Banyubiru. The results of the analysis showed that the three sub-districts were beef cattle base areas (LQ>1), had business growth (positive SS), and had a safe status for forage availability (>2). Other results showed that the carrying capacity for beef cattle farms in Bringin sub-district was 15,829 AU, Bancak was 8,457 AU, and Banyubiru was 6,315 AU. The land area suitable for beef cattle farm from the three priority sub-districts was 5,760.141 Ha. It can be concluded that the development of beef cattle farm in Semarang Regency is focused on three priority sub-districts, namely: Bringin, Bancak, and Banyubiru. The results of this study can be an input for local governments in determining the direction and pattern of beef cattle farm development to be more sustainable.

The Economic Losses of Surra Outbreak in Sumba Timur, Nusa Tenggara Timur-Indonesia R. S. Dewi; R. Damajanti; A. H. Wardhana; S. Mulatsih; O. N. Poetri; W. Steeneveld; H. Hogeveen
Tropical Animal Science Journal Vol. 43 No. 1 (2020): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Surra or trypanosomiasis outbreak occurred at Sumba Timur in 2010. Investigating the economic impact of an outbreak of Surra, especially in areas that were free of Surra before, has never been performed in Indonesia. The overall aims of this research are to analyze the economic impact of the Surra outbreak between 2010 and 2016 in Sumba Timur using a modified formula. Total economic losses were calculated by the sum of direct cost, indirect cost, and the other expenditure cost using primary and secondary data. Primary data were collected from interviews with 30 farmers, selected by multistage random sampling and from 2 livestock services officers. Secondary data were collected from The Livestock Services of Sumba Timur and The Diseases Investigation Center in Denpasar and The Local Quarantine Agency of Kupang. The result showed that the total economic loss caused by Surra was IDR (Indonesian Rupiah) 25.7 billion. The highest cost was indirect costs (46%), followed by the direct cost (37%) and control expenditure (17%). The highest proportion of the costs occurred in the years of 2011 and 2012, when the Surra outbreak started and when there was no control program in place. From the total of government expenditure related to the Surra outbreak, 64% of the total costs were part of the epidemic response program. The costs of prevention (maximal IDR 3.24 billion in 2013) were estimated to be lower than the costs of an outbreak (maximal IDR 5.04 billion in 2012). The high cost of outbreak was caused by the absence of a control program in place and the lack of knowledge of farmers about Surra diseases at the beginning of outbreak.

Response of Growing Dairy Bulls to Dietary Tannin in Rations with Varying Energy Levels J. B. Poblete; A. A. Angeles; E. M. Agbisit, Jr.; M. V. O. Espaldon
Tropical Animal Science Journal Vol. 43 No. 1 (2020): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

This study was conducted to determine the effect of dietary tannin on growth performance, rumen fluid characteristics, and apparent total-tract digestibility in growing Holstein-Friesian x Sahiwal bulls fed low and high energy rations. Eighteen growing bulls with initial body weight (BW) of 162.8±12.7 kg at 15±0.80 months were used in an unbalanced randomized complete block design set-up in a 2x2 factorial arrangement. The experimental animals were blocked by their respective BW. Animals were fed with concentrates containing metabolizable energy (ME) at 2.47 and 2.72 Mcal/kg without or with 20g/kg tannin in dry matter basis. At the final week of the trial, rumen fluid and fecal samples were collected for the rumen fluid characteristics and apparent total-tract digestibility analyses. No differences (p>0.05) were observed between the growth performance, rumen gas production, volatile fatty acids as well as organic matter, crude protein, and energy digestibility. High energy concentrates had higher (p<0.05) dry matter and neutral detergent fiber digestibility than low energy concentrates. Low energy concentrates without tannin had cheaper (p<0.001) total feed cost but feed cost per kilogram BW gain was similar (p>0.05) across treatments. Feed savings costs of US$ 17.58 per animal were attained in feeding low energy concentrates without tannin. Therefore, feeding concentrates containing 2.47 Mcal/kg ME without additional tannin can still be fed economically to growing cattle without any adverse effect on growth, ruminal fermentation characteristics, and apparent total-tract digestibility.

Physicochemical Properties, Oxidative Stability, and Sensory Quality of Lamb Sausage Added with Green Tea Leaves (Camelia sinensis) Powder L. Purnamayanti; Jamhari Jamhari; C. Hanim; A. Irawan
Tropical Animal Science Journal Vol. 43 No. 1 (2020): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Green tea leaves as a source of natural antioxidants has a huge potential to improve sausage quality from lamb meat, in line with an increase of people concern in functional food products. This study aimed to evaluate inclusion of green tea leaves (Camelia sinensis) powder (GTP) into lamb sausage on physicochemical properties, total microbes, oxidative stability, and sensory quality. Three lambs aged one year was slaughtered as sausage meat source. Incorporation of 0.0%, 1.0%, 1.5%, and 2.0% GTP to lamb sausage during 0, 7, and 14 days of storage was conducted in a completely randomized design of ANOVA with five replications in each treatment. Few changes were observed on chemical and physical qualities by adding 1% GTP, particularly on protein and water holding capacity (WHC) (p<0.05), while moisture, fat, pH, and tenderness were not affected (p>0.05). Lipid oxidation and the number of total plate count (TPC) were reduced by 36%-40% and 31%-49%, respectively by the inclusion of 1% GTP during storage time (p<0.05). Adding GTP negatively affected the sensory quality of lamb sausage since the score of acceptability reduced in the group of sausages contained GTP although the scores for color, flavor, and odor were higher with GTP addition. The incorporation of GTP was effectively inhibiting bacterial growth and lipid oxidation in the lamb sausage. However, GTP was also ineffective at improving the sensory quality of the sausage.

Prevalence of Methicillin Resistant Staphylococcus aureus in Raw Goat Milks from Selected Farms in Terengganu, Malaysia M. H. Chai; T. A. M. Faiq; S. M. Z. Ariffin; Z. Suhaili; M. Z. Sukiman; M. F. Ghazali
Tropical Animal Science Journal Vol. 43 No. 1 (2020): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

The emergence of antimicrobial drug resistant bacteria has been a concern worldwide. One of bacteria that has been reported to develop resistance is Methicillin Resistant Staphylococcus aureus (MRSA). Recent studies showed that Livestock Associated MRSA (LA-MRSA) was found in domestic food animals and their handlers. The aim of this study was to investigate the prevalence of MRSA in goat milk of goat farms located in Terengganu. A total of 664 udder milks were taken from 332 goats at 40 selected farms within Terengganu state. Then, screening of bacteria and isolation of suspected S. aureus isolates in the milk samples was done using selective agar, Gram staining and biochemical tests. The identity of the bacteria isolated was further confirmed using PCR where specific designed primers were used to detect the presence of nuc gene of S. aureus (278bp) and mecA gene (533bp) of MRSA. Both S. aureus and MRSA isolates were also tested for their susceptibilities toward the antimicrobial drugs. Fifty milk samples were found to contain S. aureus and one of the S. aureus isolates were MRSA. The bacteria isolates were found to have higher tendency to be resistance toward Penicillin (26.0%) and Oxacillin (12.0%). This study provides useful data on the current status of MRSA prevalence in small ruminant’s milk, which can be used to prevent transmission of LA-MRSA to human and other animals.

Application of Efficient Express Sequence Tags Information for Classification and Functional Study of Simple Sequence Repeats in Cattle Testis Tissue M. Manavipour; A. Ehsani; A. A. Masoudi
Tropical Animal Science Journal Vol. 43 No. 1 (2020): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Genomic markers play an important role in tracing the flow of genetic causality of observable signals in animals and plants. In farm animals, the participation of male animals in the gene pool of subsequent generations are much higher than female animals and testes are the most important organs of the male reproductive system. This study was conducted to investigate simple sequence repeats (SSR) within the expressed sequence tags (ESTs) in order to classify the Bos taurus testis tissue’s genes for their relationship and specificity with related reproductive domains. A total of 48,549 publicly available EST sequences from cattle testis tissue downloaded from GenBank database, out of which, 10,237 sequences that their library made from testis tissue were extracted and specialized as the studied sequences using several searching tools and software. Across these selective sequences, 2,039 contigs, 5,097 singletons, and 153 SSRs were detected. EST-SSRs were subsequently evaluated using GenBank and categorized based on their functions in biological systems of dairy cattle. Investigation of these motifs showed that the identified EST-SSRs can be classified into 48 types that GT in dinucleotides and GCC in trinucleotides had the highest frequency. Annotation and gene ontology analysis revealed a relationship among 54 domains with the observed SSRs. Localization and characterization of such markers can help tracing the production of amino acids coded by identified repeats as shown in this study.

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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

Abstract

Abstract

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Abstract

Abstract

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Abstract

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