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INDONESIA
MEDIA PETERNAKAN - Journal of Animal Science and Technology
Published by Institut Pertanian Bogor
ISSN : -     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : -
Articles 9 Documents
 1 
Search results for , issue "Vol. 30 No. 1 (2007): Media Peternakan" : 9 Documents clear
Evaluasi Keragaman Genetik Gen Hormon Pertumbuhan (GH) pada Sapi Pesisir Sumatera Barat Menggunakan Penciri PCR-RFLP . Jakaria; D Duryadi; R R Noor; B Tappa; H Martojo
Media Peternakan Vol. 30 No. 1 (2007): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

A total of 134 Pesisir cattle were genotyped for growth hormone (GH) gene by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). The genotype and allele frequencies of the GH MspI and GH AluI Pesisir cattle were determined. The GH MspI gene frequencies for the C and T allele were 0.209 and 0.791 respectively, while GH AluI gene frequencies for the L and V allele were 0.992 and 0.008 respectively. The chi-square analysis indicated that this population is not in Hardy-Weinberg Equilibrium status. Expected heterozygosis value (He) for GH MspI and GH AluI were 0.3306±0.0266 and 0.0149±0.0073 respectively. The PCR-RFLP GH MspI marker has higher genetic variability compare to PCR-RFLP AluI marker. This finding showed that GH MspI T allele was favorable as a GH marker for Bos indicus breeds. Key words: Pesisir cattle, growth hormone gene, PCR-RFLP, polymorphism
Produksi dan Kualitas Rumput Brachiaria humidicola (Rend.) Sch, Digitaria decumbens Stent dan Stenotaphrum secundatum (Walter) O.Kunt. di Bawah Naungan Sengon, Karet dan Kelapa Sawit W Kurniawan; L Abdullah; M A Setiana
Media Peternakan Vol. 30 No. 1 (2007): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

The experiment was conducted to investigate the adaptive grasses growing under shading albizia, rubber and oil palm canopy. Three species of tropical grasses (Brachiaria humidicola (Rend.) Sch., Digitaria decumbens Stent, dan Stenotaphrum secundatum (Walter) O.Kunt. were cultivated for at least four months. The parameters of research were productivity (including tillering rate) and nutrient quality of each grass. Data were analyzed using Split-plot design and for the significant differences were further tested by Least Significant Different (LSD). The result showed that B. humidicola production was better than other species in plantation and forest shaded. This species producting higher fresh yield and crude protein, but its tillering rate was poor. S. secundatum, although its production was not as great as B. humidicola, this grass had the greatest tillering rates compared to the others. It can be recommended that S. secundatum is persistent species, and has a good productivity for a long periode of time under shading. Key words: tropical grasses, shading, tillering rates, persistent
Studi Komposisi Mineral Tepung Batu Bukit Kamang Sebagai Bahan Baku Pakan Sumber Mineral . Khalil; S Anwar
Media Peternakan Vol. 30 No. 1 (2007): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

The study was conducted to determine mineral content of limestone originated from natural deposit of Bukit Kamang for feedstuff. Six samples were prepared and chemically analyzed. The first was limestone in meal form as a product of local milling industry. Another five samples were deposit components with different color of blackish, dark blue, blue, light blue and white. There was 21 kinds of mineral determined which were divided into 3 groups: macros (Ca, P, Mg, Na, K, Cl and S), trace minerals (Mn, Zn, Fe, Cu, Se, Co and Mo) and toxic elements (As, F, Hg, Cd, Pb, Ni and Cr). The results showed that Bukit Kamang's limestone contained considerable high essential minerals of Ca, Se, Fe and Mn. The limestone consisted of 38%-40% Ca, 388 ppm Se, 295 ppm Fe and 205 ppm Mn. There were two toxic elements detected: Pb and Cd, but their concentration was found relatively low: 28 and 7 ppm, respectively. Keywords: mineral content, limestone, Bukit Kamang, toxic
Pengaruh Telur Beromega-3 dan 6 Hasil Olahan terhadap Profil Lipid Darah Tikus Rattus norvegicus L. Normal dan Hiperkolesterolemia D Hardini; T Yuwanta; . Supadmo; . Zuprizal
Media Peternakan Vol. 30 No. 1 (2007): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

The research was aimed to evaluate the change of trigliserida (TG), Low Density Lipoprotein (LDL) and High Density Lipoprotein (HDL) Rattus norvegicus L. blood fed fried and boiled egg yolk containing Polyunsaturated fatty acid, and omega-3- omega-6 with ideal ratio (1 : 5). Fifty two months old male of Rattus norvegicus L. separated in 2 groups; normal and hypercholesterolemia (blood cholesterol > 200 mg/dl). The rat placed in individual cage, fed 15 g/rat/day and drinking water ad lib. The ration was composed of 90% basal feed and 10% egg yolk of daily feed consumption (20% BW). Seven treatments of egg yolk were frying at 170 0C for 3 min (fried = GM), and 1 min (half fried = GSM) using deep fryer, oilless frying at = 70 0C for10 min (fried = TM), dan 6 min (half fried = TSM) using Teflon pan, and boiling at 100 0C for 10' (boiled = RM) dan 4 min (half boiled = RSM) using thermoregulator pan and a fresh omega egg as a control. Factorial 2 x 7 of completely randomized design was used for 4 weeks research period. The data were analyzed by ANOVA and Duncan's Multiple Range Test. The result showed that rat TG and LDL blood increased on the normal rat group and the GM egg showed the highest blood TG (98.71 mg/dl) and LDL (13.01 mg/dl). On hypercholesterolemia group of rat GM a highest TG bood, 121.04 mg/dl, respectively. In normal rat, the HDL blood tended to decrease, but that on hypercholesterolemia group increased, and GM egg showed the highest HDL (110.93 mg/dl). Half boiled egg was the best treatment for omega egg. Key words: omega-3, omega-6, fat profile, hypercholesterolemia
Performa Ayam Broiler yang Diberi Metabolit Aceto-Sacch dalam Air Minum N Ramli; A Sofyan; E Anggraini
Media Peternakan Vol. 30 No. 1 (2007): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

This research was conducted to study the effect of addition of Aceto-Sacch metabolite (m-AS) product into drinking water on performance, percentage of intestine and caeca of broilers. One hundred and fifty birds of day old chicks (DOC) of 'Hubbard' strain were divided into 5 groups of treatments. The treatments were R0 (control diet + drinking water without Aceto-Sacch metabolite / 0% m-AS), R1 (R0 + 12.5% m-AS), R2 (R0 + 25% m-AS), R3 (R0 + 50% m-AS), Rk (commercial diet + 0% m-AS). Chicken were given diet and drinking water ad libitum. Feed intake, body weight gain and feed conversion were measured weekly. Throughout four weeks feeding trial, two animals from each group were taken and decapitated for measuring percentage of intestine and caeca. Data from completely randomized design were analyzed statistically by analysis of variance (ANOVA) and contrast orthogonal. Results showed that drinking water containing more than 25% m-AS (R2 and R3) reduced body weight, feed intake and increased percentage of small intestine and caeca. However, m-AS addition at 12.5% improved feed conversion ratio and slightly increased body weight gain. Addition of 9.0 % m-AS in total drinking water was the optimum level increasing performance of broiler. It is concluded that addition of 12.5 % m-AS product into drinking water could slightly increased body weight gain and improve feed efficiency of broiler chicken.Key words: broiler performance, drinking water, aceto-sacch
Uji in Vitro Penghambatan Aktivitas Escherichia coli dengan Tepung Cacing Tanah (Lumbricus rubellus) H Julendra; A Sofyan
Media Peternakan Vol. 30 No. 1 (2007): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

This research was conducted to study the inhibition growth of E. coli by using earthworm (Lumbricus rubellus) meal. The earthworm meal was used in various concentrations, i.e. 0, 25, 50, 75 and 100 mg of earthworm meal in 100 ml DMSO for 0%, 25%, 50%, 75% and 100% (w/v) as treatments respectively. Data were analyzed by ANOVA in Randomized Complete Block Design. Duncan's multiple range test and polynomials orthogonal were used. Inhibition effects were measured through agar well diffusion test. Results showed that earthworm meal contain antibacterial compound which inhibit E. coli activity. There was a significant difference (P < 0.05) between earthworm meal treatments and control. The best antimicrobial effect was found in treatment of 50% (w/v) of earthworm meal and significantly higher than those of 25, 75 and 100% (w/v), but 25% (w/v) was not different (P > 0.05) with 75% (w/v). It is concluded that earthworm meal is capable to inhibit E. coli in-vitro at the optimum level of 50% (w/v). Key words: earthworm meal, E. coli, in-vitro, agar well diffusion
Grazing Adaptability of Beef Cattle on the Dwarf Napiergrass (Pennisetum purpureum Schumach) Pasture A Ako
Media Peternakan Vol. 30 No. 1 (2007): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

Grazing adaptability of beef cattle on dwarf variety of late-heading type (DL) napiergrass (Pennisetum purpureum Schumach) pasture was examined in summer season at Miyazaki, Japan in 2005. Five paddocks of DL napiergrass pasture with an area 2500 m2, (500 m2, per paddock) were established since May 2002. Three heads of raising beef cows (Japanese-Black) were rotationally grazed in a week with 4-weeks rest period from June to October. Forage dry yield at pre- and post-grazing averaged 238.6 - 582.6 g/m2 and 152.8 - 309.5 g/m2, respectively with percentage consumption averaged 42.5% - 71.6%. Forage consumption and dry matter intake averaged 14.5 - 50.9 g DM/m2/day and 2.42 - 8.48 kg DM/1 IU/day, respectively with average daily gain was 0,56 kg/day. Grazing adaptability of beef cattle on DL napiergrass needed time for about one week. Thus, the DL napiergrass pasture can be utilized under the rotational grazing at stocking rate of 12 head/ha (calculated 3600 kg LW/ha/day) in the summer season of subtropical area. Key words: grazing adaptability, beef cattle, dwarf napiergrass, forage consumption, daily gain
Peningkatan Performa Ayam Broiler dengan Suplementasi Daun Salam [Syzygium polyanthum (Wight) Walp] Sebagai Antibakteri Escherichia coli K G Wiryawan; S Luvianti; W Hermana; S Suharti
Media Peternakan Vol. 30 No. 1 (2007): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

The objective of this experiment was to determine the effect of bay leaves (S. polyanthum (Wight) Walp) used in the diet as E. coli antibacteria in improving broiler performances. This experiment used 180 day old chicks (DOC) of Cobb strain which were kept in litter system for five weeks. The experiment used completely randomized design with six treatments and three replications consisting of 10 broilers in each replication. The treatment diets were R0 = control diet, R1 = R0 infected with E. coli, R2 = R1 + 1% bay leaves, R3 = R1 + 2% bay leaves, R4 = R1 + 3% bay leaves, R5 = R1 + antibiotic. The data were analyzed with analysis of variance. The variables observed were feed consumption, body weight gain, final body weight, feed conversion ratio, mortality, and total colony of E. coli in broiler excreta. The results showed that the use of bay leaves up to 3% in the ration increased broiler performance by increasing feed consumption and body weight gain, depressing the number of E. coli in excreta, and reducing mortality compared to the other treatments, but it did not affect the feed conversion ratio. Key words: bay leaves, antibacteria, E. coli, broiler performance
Respons terhadap Suplementasi Sabun Mineral dan Mineral Organik serta Kacang Kedelai Sangrai pada Indikator Fermentabilitas Ransum dalam Rumen Domba . Adawiah; T Sutardi; T Toharmat; W Manalu; N Ramli; U H Tanuwiria
Media Peternakan Vol. 30 No. 1 (2007): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

The objective of this study was to evaluate the effect of supplementation with mineral soap, organic mineral and roasted soyabean on ration fermentability in the rumen of sheep. Thirty two Garut Sheep (initial weight 22.38 ± 3.56 kg) were assigned into a randomized complete block design with 8 treatments. Body weight was used as blocks (4 blocks). The treatments were FO: basal diet + fish oil, CO: basal diet + corn oil, CaFO: basal diet + calcium soap of fish oil, CaCO: basal diet + calcium soap of corn oil, ZnFO: basal diet + zinc soap of fish oil, ZnCO: basal diet + zinc soap of corn oil, RSB: basal diet + roasted soya bean, MM: basal diet + mineral mix (Zn, Cu, Cr, and Se-organic). The experimental diets were offered for 8 weeks. The results showed that ammonia concentrations of sheep fed CO, CaFO, CaCO, and MM were higher than those of sheep fed FO, ZnFO, ZnCO, RSB diets (9.28 v 6.75 mM). Vollatile fatty acid production was not affected by treatments (110.6 ± 7.69 mM). The levels of amonia and VFA in this experiment were suitable for microbial growth. Rumen bacterial population of sheep fed FO was the lowest (P < 0.05). Rumen protozoa population of sheep fed CO, CaFO, ZnFO, ZnCO, and MM were lower (P < 0.05) than those of sheep fed FO, CaCO, and RSB. It is concluded that supplemention of Ca-soap, organic minerals, and roasted soyabeans to sheep ration increased ration fermentability in the rumen. Ammonia and VFA concentrations were suitable for rumen microbial growth. Fat protection (Ca-soap) did not inhibit bacterial growth in the rumen. Key words: mineral soap, fish oil, corn oil, roasted soyabeans, fermentability

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