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Tropical Animal Science Journal
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.
Arjuna Subject : -
Articles 429 Documents
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Growth and Biomass Production of Moringa Cultivated in Semiarid Region as Responses to Row Spacing and Cuts R. S. Santos; J. V. Emerenciano Neto; B. R. S. Bonfim; G. S. Difante; J. D. V. Bezerra; F. N. Lista; A. L. C. Gurgel; M. G. S. Bezerra
Tropical Animal Science Journal Vol. 44 No. 2 (2021): 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.2021.44.2.183

Abstract

The management of the moringa to produce biomass, as it is for other vegetal species, must consider some aspects that foster productivity. Among these aspects, cultivation density is a crucial element. This research aimed to assess the effects of spacing and cuts on the growth of the moringa. The treatments consisted of four spacings: 0.5 x 1.0 m; 0.83 x 1.0 m; 1.25 x 1.0 m; and 1.66 x 1.0 m. The experimental design was a randomized-block design with five repetitions. The standardization cut of the plants was performed at a one-meter height from the ground, fifty days after the seedlings transplantation. The assessments were performed every sixty days, totaling six cuts. Spacing impacted the growth and biomass production but did not affect the height of the plants. The stem diameter, branch number, and the plant’s mass increased at increasing the spacing. On the other side, the total mass and the masses of the stem, the leaflet, and the petiole per hectare decreased at increasing the spacing. Spacing did not affect the ratio between leaf/stem and leaflet/petiole. Plant growth and dry matter production were highest after the first two cuts and decreased significantly from the third cut on. The spacing of 0.5 x 1.0 m should be used for planting Moringa oleifera Lam. because this configuration, even reducing the gain per plant, increased the production of dry matter per unit area.
Supplementation of Pandanus conoideus Oil in Cryopreservation Diluents for Maintaining the Semen Quality of Ongole Grade Bull Nurcholis Nurcholis; A. Furqon; R. I. Arifiantini; S. M. Salamony
Tropical Animal Science Journal Vol. 44 No. 2 (2021): 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.2021.44.2.146

Abstract

Antioxidants such as tocopherol, ß-carotene, and polyunsaturated fatty acids (PUFA) from red fruit oil of Papua may be used to protect frozen semen. The study is aimed to test the effect of red fruit oil supplementation on motility, viability, and recovery rate of frozen sperm of Ongole-grade bulls. Semen was collected twice a month from eight 4-5-year-old male Ongole grade using an artificial vagina, followed by macro- and microscopical evaluations. Collected semen was divided into four tubes and diluted with tris egg yolk diluents (TEY) as a control, TEY supplemented with 0.5% red fruit oil (RFO) (TEY RFO0.5), TEY supplemented with 1% RFO (TEY RFO1.0), and TEY supplemented with 1.5% RFO (TEY RFO1.5). The diluted semen was then packed into the straw and equilibrated for 2, 4, and 6 h prior to frozen on liquid nitrogen vapor for 10 minutes. The observed variables in this study were sperm motility, sperm viability, and morphology after equilibration, after thawing, and recovery rate. The experimental design is a completely randomized factorial design. The data were analyzed using ANOVA and were further tested using Duncan multiple range test. The results showed that the sperm motility of fresh semen was 81.10±1.42%. The percentage of sperm motility in TEY RFO1.5 treatment at 6 h equilibration was 60.00±1.06%, significantly higher compared to TEY RFO1.0 and TEY RFO0.5. The percentage of post-thawing sperm motility in TEY RFO1.5 treatment was 62.40±1.09%. The best post-thawing sperm viability in TEY RFO1.5 was 80.70±1.20%, significantly increase from the treatment of TEY RFO1.0 and TEY RFO0.5. The recovery rate (RR) for TEY RFO1.5 treatment had the best percentage at 76.94%. In conclusion, RFO supplementation in semen diluents for 2 h of equilibration resulted in the best motility and viability at 0 h of post thawing observation.
Extraction of Collagen from the Skin of Kacang Goat and Production of Its Hydrolysate as an Inhibitor of Angiotensin Converting Enzyme T. R. Hakim; A. Pratiwi; Jamhari Jamhari; N. A. Fitriyanto; Rusman Rusman; M. Z. Abidin; D. N. Matulessy; Y. Erwanto
Tropical Animal Science Journal Vol. 44 No. 2 (2021): 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.2021.44.2.222

Abstract

The study was designed to determine the potential of collagen hydrolysate produced from the skin of Kacang goat through chymotrypsin hydrolysis to be used as an inhibitor of angiotensin converting enzyme (ACE). This research was conducted in three replications, with the measured parameters include ACE inhibitory potential and collagen hydrolysate fractionation. The results showed that collagen extraction of Kacang goat skin by chymotrypsin hydrolysis yielded 9.74% (dry matter, v/v) collagen, with pH at 6.6. The extracted collagen contained α1, α2, and β collagen chains with molecular weights of 151 kDa, 141 kDa, and 240 kDa, respectively. Furthermore, the collagen hydrolysis produced protein peptides confirmed at molecular weights of 43 to 107 kDa. The hydrolysate fractionation at molecular weights of <3 kDa, 3-5 kDa, and >5 kDa showed proteins concentrations of 2.33 mg/mL, 3.81 mg/mL, and 3.93 mg/mL, respectively. The hydrolysate fractionation with molecular weight <3 kDa showed to have ACE inhibition activity with the IC50 value of 0.47 mg/mL. The study concluded that collagen hydrolysate extracted from the skin of Kacang goat had a promising potential as a source of antihypertensive agent.
A Meta-analysis of Antimicrobial Peptide Effects on Intestinal Bacteria, Immune Response, and Antioxidant Activity of Broilers M. M. Sholikin; A. T. Wahyudi; A. Jayanegara; J. Nomura; Nahrowi Nahrowi
Tropical Animal Science Journal Vol. 44 No. 2 (2021): 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.2021.44.2.188

Abstract

This study used a meta-analysis to systematically assess the effect of antimicrobial peptide (AMP) addition on the number of bacteria, immune responses, and antioxidant activity of broilers. The database was compiled from 29 post evaluation articles that were found in search engines consisted of 36 experiments and 111 data. The mixed model method was used to assess the effect of AMP, with AMP addition level as a fixed effect and experiment as a random effect. The fixed effect was tested for linear and quadratic models. The quadratic model was retained when significant at p<0.05 but turned into its corresponding linear model when insignificant. In the starter phase, AMP addition decreased the number of bacteria in the ileum (coliform and total aerobic bacteria (TAB); (p<0.05), the caecum (Clostridium spp., Escherichia coli, coliform, and lactic acid bacteria (LAB); p<0.05), and excreta (Clostridium spp.; p<0.1). Similarly, the number of bacteria also declined in the ileum (Escherichia coli, p<0.05; TAB, p<0.1), the caecum (LAB; p<0.1), and excreta (Clostridium spp.; p<0.05) of broilers in the finisher phase. There were significant improvements in immune response and antioxidant activity in starter broiler, as indicated by the titer of Newcastle disease (ND) antibody, bursal index, spleen index, and thymus index (p<0.05) due to AMP addition. Variables of immunoglobulin M (IgM), cluster of differentiation 4 (CD4), ND antibody titer, bursal index, spleen index, and thymus index were also significantly increased (p<0.05) while superoxide dismutase activity (SOD activity) tended to increase (p<0.1) in finisher broiler following the AMP addition. In short, AMP addition is able to suppress the number of pathogenic bacteria and increase the immune response and antioxidant activity of broilers.
The Use of Teat-End Hyperkeratosis to Predict Somatic Cell Count and Milk Quality of Holstein Cows Raised in Egypt S. Abdelghany; N. Fahim; F. Samir; M. Radwan
Tropical Animal Science Journal Vol. 44 No. 2 (2021): 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.2021.44.2.213

Abstract

The study aimed to investigate the association between teat-end hyperkeratosis (THK) and somatic cell count (SCC) and to assess the effect of SCC on milk yield, fat, and protein percentages of Holstein cows. A total of 740 udder quarters of 185 Holstein cows kept in three commercial herds in Egypt were enrolled in the study from May to September 2019. Foremilk samples were collected from udder quarters for assessing milk SCC, fat, and protein percentages. On the same cows, a digital picture of each teat end orifice was taken with a digital camera. Cows’ teats were assessed for THK and classified into two different groups of hyperkeratosis; mild and severe THK. SCC was converted to five classes of somatic cell score (SCS). Simple linear regression was performed to determine the loss of milk yield, fat, and protein percentages. SCC was significantly affected by THK (p<0.0001). About 57% of teats were classified as mild THK and 43% as severe THK. The teats with severe THK recorded higher SCC in milk. It was observed that SCS had a significant effect on fat and protein percentages (p<0.0001). A similar trend was shown for the effect of SCS on milk yield (p<0.05), where the highest values of milk traits were obtained for the lowest SCS. The loss of milk was 220 g/day. Also, fat and protein percentages decreased by 0.11% and 0.08%, respectively, for each unit increase in SCS, from zero to four. In conclusion, severe THK can lead to high SCC, which negatively affects milk traits.
Productivity of Laying Alabio Duck and its Eggs Quality under Exposure of Different Intensity and Color of LED Light T. Rostini; D. Biyatmoko; A. Wahdi
Tropical Animal Science Journal Vol. 44 No. 2 (2021): 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.2021.44.2.205

Abstract

The purpose of this study was to analyze the different combinations of intensity and color of LED monochrome lamps for optimal productivity, as well as the internal and external quality of Alabio duck eggs. The study was carried out for 4 weeks period of raising which was devided in 2 stages. In the first stage, it was used a completely randomized factorial design of 4 light colors x 3 light intensities with 4 replications with 5 ducks of each replicate, totaling 240 laying Alabio ducks. The light color was 4 colors consisted of yellow, red, blue, and green, alongside with intensity levels of 10 lux, 15 lux, and 20 lux. The irradiation method of layer ducks was 18 hours light and 10 hours dark (18L: 10D of ahemeral method). The variables observed were laying age, egg production and the total weight of eggs, mortality, feed consumption, FCR, and income over feed cost (IOFC). In the second stage, it was selected 3 best combination treatments from the first phase. The experimental method was based on a completely randomized design, encompassing the best treatments as P1, P2, and P3, with 5 replications with 10 duck per replicate, totaling 150 laying Alabio ducks. The variables were egg internal quality, which consisted of haugh unit egg, yolk index (EYI), egg albumin index, and yolk color. The external egg quality observed were egg weight, shell thickness, shape index, and specific gravity. The results of the first phase showed the best productivity was achieved in blue color with an intensity of 15 lux on all measured variables. The results in the second stage showed the best treatment is blue light color treatment with a light intensity of 15 lux, on the internal qualities of duck eggs include HU (95.11±2.39), EYI (0.421±0.63), EAI (0.121±0.12), egg yolk color (8.36±0.31), and also the best in terms of external quality, with the highest egg weight (66.76±5.21 g). It was concluded that the combination of blue light color with an intensity of 15 lux significantly increased the egg production and performance of Alabio duck from Kalimantan.
Changes in Bovine Colostrum Metabolites during Early Postpartum Period Revealed by 1H-NMR Metabolomics Approach S. Settachaimongkon; N. Wannakajeepiboon; P. Arunpunporn; W. Mekboonsonglarp; D. Makarapong
Tropical Animal Science Journal Vol. 44 No. 2 (2021): 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.2021.44.2.229

Abstract

The objectives of this study were to characterize and compare non-volatile polar metabolite profiles of bovine colostrum, collected within 1 h and at 72 h after parturition, from crossbred Holstein cows raised in northeastern Thailand. The colostrum serum was characterized and compared using a non-targeted proton nuclear magnetic resonance (1H-NMR) technique combined with chemometric analysis. Results demonstrated that the main effect of post-parturition time provided a significant impact on the physical properties and major chemical constituents of colostrum, while the influence of farm origin and sampling month were likely undetectable. The 1H-NMR technique enabled to identify 45 non-volatile polar metabolites in the samples. Partial least-squares-discriminant analysis (PLS-DA) allowed discrimination of colostrum metabolome not only according to different times after parturition, but also the origins of the farm as well as sampling months. Differential metabolites were statistically identified as potential biomarkers accountable for the discrimination. Besides basic nutritive compounds (amino acids and sugars), several bioactive metabolites such as ascorbate, creatine, carnitine, choline, acetylcarnitine, N-acetylglucosamine, ornithine, orotate, and UPD-glucose could be successfully elucidated. Our finding reveals the application of non-targeted 1H-NMR metabolomics as an effective tool to assess the biomolecular profiles of bovine colostrum and their essential dynamics during the first three days after parturition.
Immune Status and Growth of Broiler Fed Diet with Microparticle Protein Added with Natural Acidifier N. Suthama; B. Sukamto; I. Mangisah; L. Krismiyanto
Tropical Animal Science Journal Vol. 44 No. 2 (2021): 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.2021.44.2.198

Abstract

The present study was conducted to evaluate the feeding effect of diet composed of microparticle protein added with lime juice as an acidifier on immune status and efficiency of protein utilization in relation to the growth of broiler chicken. Dietary treatments tested were P1 was diet with 20% intact protein and CaCO3 as a Ca source, P2 was diet with 20% microparticle protein and eggshell as a Ca source added with 1.2% lime juice, and P3 was diet with 20% microparticle protein and eggshell as a Ca source added with 2.4% lime juice. Variables measured were protein and amino acids digestibility, retentions of N and Ca, fecal Nτ–methyl histidine (Nτ–MH) excretion as a protein turnover index, lymphoid organs, heterophil and lymphocyte (H/L) ratio, immunoglobulin A (IgA) as a body resistance indicator, feed consumption, body weight gain (BWG), and feed conversion ratio (FCR). The experiment was arranged in a completely randomized design with 3 treatments and 8 replications. Data were subjected to analysis of variance and Duncan test at 5% probability. Protein and amino acid digestibility, N, and Ca retentions were significantly (p<0.05) higher in P2 and P3. However, the H/L ratio was significantly (p<0.05) lower in both treatments compared to P1. Bursa fabricius and lymph weights were not difference, but BWG in P2 significantly (p<0.05) increased. In conclusion, protein and some essential amino acids digestibility, N and Ca retentions, IgA, and BWG increase with the decrease in H/L ratio, fecal Nτ–MH, feed consumption, and FCR in broiler fed diet composed of microparticle protein source with additional 1.2 mL acidifier of lime juice.
The Protective Impacts of α-tocopherol Supplementation on the Semen Quality of Sapera Goat Preserved at 4⁰C R. A. Prastiya; Rimayanti; M. M. Munir; A. P. Nugroho
Tropical Animal Science Journal Vol. 44 No. 3 (2021): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Supplementation of vitamin E (α-tocopherol) as an antioxidant into an extender is useful to maintain sperm quality during the process of cryopreservation by protecting the sperms from reactive oxygen species (ROS). This study aims to evaluate the protective impacts of vitamin E supplementation on the motility, viability, and reducing the abnormality of sperms in Sapera goats. The sample of semen used in the present study was obtained from fresh semen and good-quality ejaculates of the Sapera goats collected by an artificial vagina. The groups involve one controlled treatment group, which contains semen and tris egg yolk (TEY) extender without vitamin E (P0), and three treatment groups that contain semen, TEY extender, and different doses of vitamin E, i.e., 1 mg/mL (P1), 2 mg/mL (P2), and 3 mg/mL (P3), respectively. Data obtained from the experiments were analyzed using Repeated Measures Multivariate Analysis (MANOVA). The results showed that TEY extenders added with vitamin E at a dose of 1 mg/mL of vitamin E (P1) produced the highest motility and viability with the lowest abnormalities of sperm after 24th hour of cryopreservation. The lowest sperm motility and viability among the treatment groups was observed in the TEY extender added with vitamin E at a dose of 3 mg/mL (P3) at 96th hour after cryopreservation, which was almost the same as the control group without vitamin E (P0) that had the lowest motility and viability. In conclusion, the current study found that supplementation of vitamin E as an antioxidant at a dose of 1 mg/mL in TEY extender can preserve semen of the Sapera goats in refrigerator up to 96 h at 4°C and provides higher sperm motility and viability percentage, with a lower percentage of sperm abnormality.
Nutrients, Fiber Fraction, and In Vitro Fiber Digestibility of Brown-Midrib Sorghum Mutant Lines Affected by The Maturity Stages R. Sriagtula; P. D. M. H. Karti; L. Abdullah; Supriyanto; D. A. Astuti; Zurmiati
Tropical Animal Science Journal Vol. 44 No. 3 (2021): 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.2021.44.3.297

Abstract

The mutant line of Brown-midrib sorghum has lower lignin content than conventional sorghum. The objectives of this research were to investigate the effects of plant maturity stages at harvest times on nutrient, fiber fraction, tannin content, volatile fatty acids (VFA) production, and in vitro fiber digestibility of mutant lines of Brown Midrib (BMR) sorghum. This research was arranged into a complete block design with a factorial arrangement in three replications. The first factor was a line of BMR sorghum consisted of 3 levels, i.e., Patir 3.1 (non-BMR line/control), Patir 3.2 (BMR line), and Patir 3.7 (BMR line). The second factor was the generative stages of sorghum consisted of 3 levels, i.e., flowering stage, soft-dough stage, and hard-dough stage. The observed variables were nutrient, fiber fraction, tannin content, in vitro rumen fluid characteristics, VFA proportion, acetate: propionate (A:P) ratio, and in vitro fiber-fraction digestibility (IVFFD). Data were analyzed by Analysis of Variance (ANOVA) and Duncan’s Multiple Range Test (DMRT). No interaction between sorghum-mutant lines and harvest time on nutrient contents, except on total digestible nutrients (TDN), tannin, and VFA. The factor of sorghum-mutant line affected (p<0.01) crude protein (CP), crude fiber (CF), acid detergent fiber (ADF), lignin, neutral detergent fiber digestibility (NDFD), NH3, butyrate, isovalerate, and valerate. Maturity stages affected dry matter (DM), CF, ash, crude fat, fiber, and fraction, except hemicellulose, acid detergent fiber digestibility (ADFD), and NDFD, NH3, isovalerate, and valerate. Patir 3.7 at the hard-dough stage produced the highest TDN, but the highest VFA was produced by Patir 3.1 at flowering stages. BMR sorghum-mutant lines produced higher ADF digestibility than non-BMR sorghum-mutant lines. The increasing NDF digestibility was significantly influenced by both sorghum-mutant lines and maturity stages (p<0.01). It is concluded that BMR sorghum-mutant lines at the hard-dough stage produce better nutrient and in vitro digestibility, but the butyric acid is higher in non-BMR sorghum-mutant lines.

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