Articles

Blood-Lead Monitoring Exposure to Leaded-Gasoline among School Children in Jakarta, Indonesia 2005 Haryanto, Budi
Kesmas The National Journal of Public Health Vol. 1 No. 5 April 2007
Publisher : Kesmas The National Journal of Public Health

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Abstract

Leaded-gasoline has been used as major octane booster of motor vehicles’ gasoline in Indonesia since decades ago, except in Jakarta, Batam, and Bali where it had not been used from 2001, 2003, and 2004 respectively. Negative effects of lead, such as decreasing of IQ, hearing, growth, and hemoglobin level, then will still be threatening and may continue in the future. Meanwhile, the prolonged lead exposure occurs in the may have more dangerous human health effects to children. The Jakarta blood-lead study in 2001 showed that 35% elementary school children have blood lead levels (BLLs) more than 10 µg/dl and 2,4% had BLL more than 20 µg/dl (CDC-USAEP 2001). The objective of this study is to assess the blood lead level of elementary school children in Jakarta urban area in 2005 by evaluating the mean blood lead level of 3rd and 4th grade elementary school children in Jakarta urban area. A cross-sectional survey was implemented to achieve the above objective. The study was conducted in January-February 2005. Portable Lead Care and Hemocue were used to analyze blood-lead and blood hemoglobin (Hb) respectively from children finger blood on site. All of the 20 selected elementary schools agreed to participate in the test. A total of 203 students were allowed by their parents to participate in the test. The overall average for Hb-blood level is 12,6 g/dl and for Pb-blood level is 4,2 µg/dl. Percentage of those children with Pb-blood equal and more than 10 µg/dl is 1,3%. The declining Pb-blood prevalence from 2001 study obviously reflects the success of Leaded-gasoline phase-out program in Jakarta. It means that the program is successful in preventing people exposed to leadedgasoline in Jakarta, especially children from the risk of lead toxicity and its impacts. Thus, the program of phasing-out of leaded-gasoline should be expanded and implemented to all Indonesian provinces and cities in order to avoid lead exposure to people. Key words: Air quality, blood-lead levels, children health effects
Perubahan Nilai Nutrisi Ampas Sagu selam pada Fase Pertumbuhan Jamur Tiram Putih (Pleurotus ostreatus) yang berbeda Sangadji, Insun; Parakkasi, Aminuddin; Wiryawan, Komang G.; Haryanto, Budi
Jurnal Ilmu Ternak Universitas Padjadjaran Vol 8, No 1 (2008)
Publisher : Fakultas Peternakan, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (36.655 KB) | DOI: 10.24198/jit.v8i1.2209

Abstract

Tujuan penelitian ini untuk mengetahui  kandungan nutirisi ampas sagu yang dipermentasi menggunakan   Pleurotus ostreatus   pada berbegai  fase pertumbuhannnya.  Rancangan Acak lengkap digunakan pada penelitian ini, perlakuan yang diberikan adalah fase pertumbuhan dari Pleurotus ostreatu. Peubah yang diukur meliputi  kandungan protein kasar, bahan kering, ADF, VDF, dan lignin dari ampas sagu yang difermentasi.  Hasil penelitian menunjukkkan bahwa terdapat perubahan komposisi nutrisi ampas sago pada berbagai fase pertumbuhan Jamur Pleurotus ostreatus. Kandungan protein meningkat dan kandungan ligninoselulosa menurun, sehingga hasil fermentasi ini sangat potensial untuk dijadikan sebagai  pakan ternak ruminansia.Kata kunci: Ampas sago, Pleurotus ostreatus,  pakan ruminansia.
PENGARUH PEMILIHAN KONDISI BATAS, LANGKAH RUANG, LANGKAH WAKTU DAN KOEFISIEN DIFUSI PADA MODEL DIFUSI Haryanto, Budi
APLIKA Jurnal Ilmu Pengetahuan dan Teknologi Vol 8, No 1 (2008): Februari 2008
Publisher : APLIKA Jurnal Ilmu Pengetahuan dan Teknologi

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Abstract

Diffusion is one of the important processes involved in pollutant transport. In this study, diffusion equation and its performance were investigated through hypothetical thermal diffusion model. Various boundary conditions, time step, space step, and diffusion coefficients were applied in the model, Result of this study shows that diffusion process will last faster at higher diffusion coefficient. Moreover, the use of free radiation boundary condition type causes the variables at the boundary will remain, that is contrary to that of reflective and partly reflective boundary condition. In addition, truncation error can be minimized if D(t/x2)=0,5
The use of probiotic in the diet to improve carcass characteristics and meat quality of sheep Haryanto, Budi
Jurnal Ilmu Ternak dan Veteriner Vol 5, No 4 (2000): DECEMBER 2000
Publisher : Indonesian Center for Animal Research and Development (ICARD)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (131.532 KB) | DOI: 10.14334/jitv.v5i4.186

Abstract

An experiment has been carried out to investigate the effect of probiotic and ruminally less-degradable protein supplementation on the growth and efficiency of feed utilization in sheep. Thirty two male sheep with an average liveweight of 23 kg were divided into 4 groups of 8 individuals to test four dietary treatments. The dietary treatments were a) basal concentrate diet, b) basal concentrate diet supplemented with ruminally less degradable protein in proportion of 90:10%, c) basal concentrate supplemented with probiotic at 0.5%, and d) basal concentrate diet supplemented with ruminally less degradable protein and probiotic in proportion of 89.5:10:0.5% consequtively. The concentrate was fed at 1.5% of the liveweight, and adjusted every week after weighing the individuals. Napier grass was fed ad libitum after being chopped into 5 cm length. Drinking water was available adequately. The animals were individually caged. The experiment was carried out for 7-day adaptation to the dietary treatments and 42-day period of feeding trials. The parameters being observed include weekly liveweight changes, slaughter weight, carcass weight and carcass characteristics. The results indicated that the liveweight changes were relatively the same for all treatment groups, which ranged from 89 to 94 g/d. However, the dry matter intakes ranged from 856 to 925 g/d. The slaughter weight ranged from 26.9 to 27.3 kg with carcass weight ranged from 12.0 to 12.8 kg indicating that the carcass percentage were in the range from 55.8 to 57.1% of the empty body weight. Probiotic supplement resulted in reduction of fat content in the meat from these observation, it is reasonable to assume that the use of probiotic in the diet reduced the carcass fat without affecting the daily weight gain.   Key words: Sheep, probiotics, ruminally less-degradable protein, productivity.
ANTIBACTERIAL ACTIVITY OF PROPOLIS Trigona spp. FROM BUKITTINGGI WEST SUMATERA AGAINST Salmonella sp. Hasan, A. E. Zainal; Artika, I Made; Fatoni, Amin; ., Kuswandi; Haryanto, Budi
CHEMISTRY PROGRESS Vol 4, No 2 (2011)
Publisher : Sam Ratulangi University

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Abstract

Zaenal Hasan, A. E. et al. 2011. Antibacterial activity of propolis Trigona spp. from Bukittinggi West Sumateraagainst Salmonella sp. Propolis is a resinous hive product consists of exudates from plants mixed with beeswax and used by bees asglue. The objective of this study was to investigate the antibacterial activity of ethanol extract of Trigona spp.propolis collected from Bukittinggi West Sumatera on Salmonella sp. using agar well diffusion method. Thecompound group of the propolis was also investigated on the existence of alkaloids, flavonoids, saphonins,tannins, steroids, and terpenoids. Ethanol extract of Trigona spp. propolis showed antibacterial activity onSalmonella sp. with minimum inhibitory concentration of 0,87% (w/w). The compound groups detected inethanol extract Trigona spp. propolis were flavonoids and tannins, which suggests that the antibacterial activityof Trigona spp. propolis may be due to these compounds.Keywords: propolis, Trigona spp., Salmonella sp., antibacterialZaenal Hasan, A. E. et al. 2011. Aktivitas antibakteri propolis Trigona spp. dari Bukittinggi Sumatera Baratterhadap Salmonella sp. Propolis adalah produk resin sarang lebah yang mengandung cairan tumbuhan yang bercampur dengan lilinlebah dan bagi lebah digunakan sebagai perekat. Tujuan penelitiian ini untuk mengetahui aktivitas antibakteriekstrak etanol dari propolis Trigona spp. yang peroleh dari Bukittinggi Sumatera Barat terhadap Salmonella sp.Kelompok senyawa dalam propolis diuji terhadap keberadaan alkaloid, flavonoid, saphonin, tanin, steroid danterpenoid. Ekstrak etanol Propolis Trigona spp. menunjukkan aktivitas antibakteri terhadap Salmonella sp.dengan konsentrasi penghambatan minimum 0,87% (b/b). Golongan senyawa yang terdapat dalam ekstraketanol propolis Trigona spp. adalah flavonoid and tanin. Aktivitas antibakteri propolis Trigona spp. propolismungkin disebabkan oleh senyawa-senyawa tersebut.Kata kunci : propolis, Trigona spp., Salmonella sp. antibakteri
Feeding Aspergillus oryzae Fermentation Culture (AOFC) to Growing Sheep: 1. The Effect of AOFC on Rumen Fermentation Lubis, Darwinsyah; Wina, Elizabeth; Haryanto, Budi; Suhargiyantatmo, T
Jurnal Ilmu Ternak dan Veteriner Vol 7, No 3 (2002): SEPTEMBER 2002
Publisher : Indonesian Center for Animal Research and Development (ICARD)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (176.335 KB) | DOI: 10.14334/jitv.v7i3.289

Abstract

Cultures of fungi, especially Aspergillus oryzae, have been of interest to animal nutritionists to increase feed efficiency. Many experiments have been done and showed positive results on rumen fermentation and productivity of ruminants. This paper reports the results of an in vivo study on feeding Aspergillus oryzae, fermentation culture (AOFC) to growing sheep. ‘Onggok’ (tapioca processing waste) was used as media for AO cultivation after being enriched with a mineral mixture. Commercial concentrate (GT-03) was fed to 15 growing sheep supplemented with 0% (C0), 5% (C1), and 10% (C2) AOFC (w/w). Chopped fresh King grass was used as a basal diet. The 3 treatments were randomly allotted to the sheep according to randomized block design with 5 replications. The study was carried out for 14 weeks. Digestion trial was conducted in the last 10 days of experiment. All feed and fecal samples were analyzed for nutrients. Rumen fluid was sampled at the mid experimental period. Analyses were done on rumen pH, ammonia content, (VFA) volatile fatly acids concentration, and also total digestive tract digestibility of dry and organic matter, crude protein, and total fiber (NDF). Differences in treatment means were analyzed by Duncan’s MRT. Feeding AOFC resulted in increased (P<0.05) digestibility of crude protein from 59.6% in control sheep to 65.5% in sheep fed concentrate with 10% AOFC supplementation. The same pattern also occurred for NDF, but no effect was found on dry and organic matter. Higher fiber digestibility with AOFC supplementation was in line with an increase (P<0.05) in cellulolytic bacteria population in the rumen. VFA produced also increased (P<0.05), as well as individual acids content, primarily acetate and propionate. No differences (P<0.05) were detected in rumen pH and ammonia content. It appears that AOFC is more suitable for the purpose of meat production.   Key words: A. oryzae, sheep, digestibility, rumen, in vivo
Utilization of complete rumen modifier on sheep fed high fibrous forages. Thalib, Amlius; Widiawati, Yeni; Haryanto, Budi
Jurnal Ilmu Ternak dan Veteriner Vol 15, No 2 (2010): JUNE 2010
Publisher : Indonesian Center for Animal Research and Development (ICARD)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (81.744 KB) | DOI: 10.14334/jitv.v15i2.647

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A research to improve livestock productivity and lower enteric methane production on ruminant was conducted by manipulation approach on rumen system using a complete rumen modifier (CRM). An in vivo experiment was carried out using twenty four sheep ( mean weight 18 kg) which were distributed into 3 treatment groups of feed additive: I. control ( without treatment: K); II: K + CRM-LG; III: K + CRM-EL. Diet given consisted of fermented rice straw (ad libitum) + concentrate containing 16 % protein (400 g/head/day), and drinking water was given ad libitum. The experiment was conducted for 14 weeks based on completely randomized design. By the end of the experiment, animals were placed in the metabolism cages for 2 weeks (ie. 1 week for adaptation and 1 week for data collection). Rumen liquid of each treated animal was taken for the measurement of rumen characteristics. Parameter measuremed were: total gas production; gas composition of CO2 and CH4; in vitro DMD; NH3 and VFA contents; pH; bacterial and protozoal counts; consumption/ DMI; in vivo DMD; ADG and FCR. The results showed that productivity of sheep was improved by CRM treatments followed by lowered enteric methane production. The ADG values of CRM treatments (71.4 to 73.5 g) were significantly higher (P < 0.05) than that of control (50 g). The improvement of average daily gain was followed by a better feed conversion (P < 0.05) (ie. 10.6 vs. 12.8). The CRM treatments lowered the percentage of CH4 by 24% compared to Control (P < 0.05). The total and composition of VFA of CRM-treated rumen liquor were significantly different (P<0.05) compared to that of rumen liquor of Control (ie. the total VFA: 85.3 vs 73.5 mM and the percentage of acetic acid: 67.8 vs 60.3%). It is concluded that CRM treatment resulted in positive effects on growth of ruminant fed high fibrous forages such as rice straw and could lower enteric methane production. Key Words: Rumen Modifier, Productivity, Enteric Methane, Sheep, Rice Straw
Human Health Risk to Ultrafine Particles in Jakarta Haryanto, Budi
Kesmas The National Journal of Public Health Vol. 4 No. 2 October 2009
Publisher : Kesmas The National Journal of Public Health

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Abstract

In Jakarta, the main pollution sources are vehicles and industry, with motorized traffic accounting for 71% of the oxides of nitrogen (NOX), 15% of sulphurdioxide (SO2), and 70% of particulate matter (PM10) of the total emission load. Both urban population size and the fraction of the population that owns a private vehicle are increasing. The study objective is to determine the numbers of ultrafine particulate matter with an aerodynamic diameter of 0.1 mm or less, or PM0.1 inhaled by elementary school children, commute workers with private car and commute workers with public transport. A cross-sectional study design is implemented in Jakarta 2005. Ten elementary school children, ten commuters with private car and ten commuters with public transports are purposively selected as subjects and measured personally for 3 x 24 hours using Condensation Particle Counter (CPC) real-time personal exposure measurement (measured in terms of the number of particles per cubic centimeter). The average concentration of ultrafine particulate matter of elementary school children at home, on the road and at school is 29,254/cm3, 147,897/cm3 and 61,033/cm3 respectively. For those commuters with private car at home, on the road and at office is 29,213/cm3, 310,179/cm3 and 42,496/cm3 respectively. For those commuters with public transport, the concentration average of at home, on the road and at office is found higher: 35,332/cm3, 453,547/cm3, and 69,867/cm3, respectively.Key words: Ultrafine particles, human health risk
Manipulating Protein Degradability in the Rumen to Support Higher Ruminant Production Haryanto, Budi
WARTAZOA. Indonesian Bulletin of Animal and Veterinary Sciences Vol 24, No 3 (2014): SEPTEMBER 2014
Publisher : Indonesian Center for Animal Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (439.146 KB) | DOI: 10.14334/wartazoa.v24i3.1070

Abstract

Dietary protein is digested to a certain extent in the rumen causing decreases its potency as source of amino acids for the animal. Dietary protein should mostly reach the intestines where the protein digestion takes place and absorption occurs in the form of intact amino acids and subsequently becomes nutrient deposition in muscles or milk. The higher muscle or milk protein synthesis, the higher the protein in the products of animal, as long as energy for the metabolism is available. Strategies of feeding rumen degradable versus undegradable protein in ruminant have become a research interest for decades. Technologies of dietary protein protection to reduce its degradability in the rumen by heating, chelating or coating have been developed. Key words: Protein, degradability, protection, rumen
Kajian Aspek Reproduksi dan Estimasi Ekonomi pada Ternak Sapi yang di Inovasi Teknologi Reproduksi Sumaryadi, Mas Yedi; Saleh, Dadang Mulyadi; Haryanto, Budi; Herdiansah, Dedi; Sudrajat, Sudrajat; Yasin, Chotim A
Jurnal Agripet Vol 10, No 1 (2010): Volume 10, No. 1, April 2010
Publisher : Agricultural Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (129.126 KB) | DOI: 10.17969/agripet.v10i1.601

Abstract

Study of reproduction and economic estimation aspect in cow which innovated of reproduction technologyABSTRACT. Twenty cows head were used in research to know aspect reproduce and economic estimation in cow which innovated by reproduction technology. All of cows in allocated into two groups at random each 10 heads. The first group come from farmer of co-operation member of Ciamis was used as control without innovated by reproduction technology, that mean the cow was naturally of oestrous and inseminated with frozen semen not a result of separation sex. The second group come from farmer group “lumba-lumba” innovated with oestrous synchronization which was injected prosolvin of 7.5 mg per headl by intramuscular (i.m.) and super ovulated with injected fertagyl of 150 mg per tail by i.m., and then it oestrous was inseminated with frozen semen result of sex separation. Research result indicates that technically there were difference of performance reproduce in cow which is innovated by reproduction technology than control. It concluded that the improvement of reproduction efficiency in cow after innovated by technology of reproduction in term of type of birth in twin and increasing of male sex up to 12 percent. It is in line with the economic estimation of cow which is technological application of reproduction improves generating revenue up to 22.35 percent per month.