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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 522 Documents
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Kajian Penambahan Ragi Tape pada Pakan terhadap Konsumsi, Pertambahan Bobot Badan, Rasio Konversi Pakan, dan Mortalitas Tikus (Rattus norvegicus) E M Sianturi; A M Fuah; K G Wiryawan
Media Peternakan Vol. 29 No. 3 (2006): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

An experiment was conducted to examine the effect of different levels of tape yeast addition into rations on Rattus norvegicus performance, such as feed consumption, body weight gain, feed conversion ratio and mortality. The experimental design used was a factorial completely randomized design 2 x 4, the first factor was sex (male and female rats), and the second factor was different levels of tape yeast added into rations (0% as R1, 0.5% as R2, 1% as R3 and 1.5% as R4). The results showed that the interaction between sex and yeast addition had significant effect on feed consumption and body weight gain (P < 0.05), but the effect was not significant on feed conversion ratio and mortality. Yeast addition in male-rat rations significantly reduced feed consumption, but did not affect body weight gain. In female rats, the addition of yeast in the rations increased body weight gain. Increasing levels of tape yeast in the rations improved the body weight gain and feed conversion ratio, especially for female rats (P < 0.05). There was no single rat died during the experimental period. Rats fed ration containing 1.5% yeast showed better feed consumption, weight gain, and feed conversion ratio compared to rats given other rations. Key words : rat, tape yeast, consumption, weight gain, feed conversion ratio, mortality
Pengaruh Konformasi Butt Shape terhadap Karakteristik Karkas Sapi Brahman Cross pada Beberapa Klasifikasi Jenis Kelamin Harapin Hafid H; R Priyanto
Media Peternakan Vol. 29 No. 3 (2006): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

Domestic demand on beef is increasing today. However the beef supply can not fulfil the demand so that importation of beef and feeder cattle is still required. Beef cattle feedloting is now growing in Indonesia. This research was done to study the growth and development of carcass components of beef carcas from Brahman Cross cattle. The number of animals used was 165 heads with the body weight range 350 - 400 kg taken from feedlot fattening. The experiment was set in completely randomized factorial design withh two factors, namely butt shape conformation (butt shape score D, C, B) and sex class (heifer, steer, cow). Parameter of carcass characteristic, i.e. carcass weight, carcass percentage, loin eye area, fat thickness of ribs 12th, fat percentage of kidney, pelvic and hearth, and fat thickness of rump P8.The result of this study showed that the increase of butt shape conformation score significantly increased loin eye area, especially in heifer and cow sex class. Key words: butt shape conformation, carcass characteristic, Brahman cross cattle, sex class
Respons Ayam Kampung terhadap Penambahan Kalsium Asal Siput (Lymnae Sp) dan Kerang (Corbiculla molktiana) pada Kondisi Ransum Miskin Fosfor . Khalil
Media Peternakan Vol. 29 No. 3 (2006): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

The objectives of this present investigation were to evaluate effects of using shell of freshwater snail as major source of calcium in the diets on performance and bone mineralization of growing native chicks (1-12 weeks of age). There were four dietary treatments. The first was a basal diet (negative control) containing 0.5 % bone meal, but deficient in phosphor. Three other diets which were relatively the same in composition as that of basal diet, but one supplemented with 2.5 % oyster shell (positive control) and two with 2.5% shell of freshwater snail obtained from two different water bodies: lake and rice field, respectively. One hundred birds of native chicken were divided into four groups of treatments with five replicates with 5 birds each and offered experimental diets for 12 weeks. Parameters measured included: body weight gain, feed intake, feed conversion ratio (FCR), weight of tibia bone and their ash and mineral (Ca and P) composition and retention. The chicks fed on diets containing shell of freshwater snails showed no significantly difference in body weight gain, feed intake and FCR with those fed on diet containing oyster shell, but significantly lower body weight gain than those fed on basal diet containing only bone meal. Feeding of diets supplemented with shell of snails and oyster decreased significantly the body weight gain. However, no significantly difference was observed in the weight and content of ash, Ca and P of tibia bone. Key words : freshwater snail, native chicken, mineral nutrition, bone mineralization
Faktor Karakteristik Peternak yang Mempengaruhi Sikap terhadap Program Kredit Sapi Potong di Kelompok Peternak Andiniharjo Kabupaten Sleman Yogyakarta S A Wibowo; F T Haryadi
Media Peternakan Vol. 29 No. 3 (2006): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

This research was conducted to know the farmer's attitude toward cattle credit assistance and farmer's characteristic factors that influence the probability of the farmer's attitude toward cattle credit assistance. The respondents in this research were all of the members of Andiniharjo cattle farmer's group of 40 farmers as respondents which located in Pojokan sub village, Caturharjo, Sleman regency. The farmer's characteristics factor which influence the probability of the farmer's attitude toward cattle credit assistance was analized using binomial logistic regressions test. The model of binomial logistic regressions test had 92,5% of correct prediction. The characteristic factors which infuence the probability of the farmer's attitude were the age of farmers (P < 0.05), the farming motivation (P < 0.05) and the income from farming (P < 0.05). The conclusion of this research was that most farmer's attitude of Andiniharjo cattle farmer's group which located in Pojokan sub village toward cattle credit assistance from PT Telkom was negative. The age of farmers, the farming motivation and the income of farming influenced the probability of the farmer's attitude to have positive attitude toward cattle credit assistance from PT Telkom. Key words : attitude, credit assistance, cattle
Daya Pintal dan Kekuatan Benang Bulu Domba Priangan dan Peranakan Merino M Duldjaman; T R Wiradarya; M.I H Muttaqin
Media Peternakan Vol. 29 No. 3 (2006): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

Priangan sheep is a native sheep of Indonesia and considered as a hair sheep. Its main product is meat. Recently, the Priangan sheep is crossed with a Merino sheep to produce the Priangan-Merino crossbred. Since the Merino sheep is considered as a wool sheep, it is expected that the Priangan-Merino sheep will have a better quality of wool than the Priangan sheep. To measure the wool improvement of the Priangan-Merino crossbred, an experiment was conducted. Fifteen Priangan sheeps and 15 Merino crossbreds were used in this experiment. The spinning count and wool yarn staple length were measured. The experimental statistics and the design of the experiment was completely ramdomized design. The results indicated that staple strength of wool yarn of Priangan was not significantly different with that of Merino cross. Spinning count was significantly different (P < 0.01) between breed. Key words : Yarn, Priangan and Merino cross, staple strenght, spinning count
Kajian Aspek Protein Turnover Tubuh pada Ayam Kedu Periode Pertumbuhan N Suthama
Media Peternakan Vol. 29 No. 2 (2006): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

Growth rate can be clarified based on body protein turnover in Kedu chicken given improved diet. Protein turnover is estimated according to the difference of protein synthesis and breakdown rates using the excretion of -methylhistidine (Nτ–MH) as an indicator. One hundred forty four (144) birds of non-black Kedu chicken of 2 weeks old purchased from the farmer group at Kedu village were used as the experimental animals. The birds were then reared until 16 weeks old (4 months). Experiment was started at 4 weeks old by dividing the birds into 3 groups according to the tested diets. Diet 1 (R1): farmer's diet formula consisting of yellow corn (40%), rice bran (40%) and concentrate (20%). Diet 2 (R2): simple modification of R1, added with CaCO3 and premix. Diet 3 (R3): new formula by improving nutritional content. The present experiment was arranged in a completely randomized design with 3 treatments and 6 replications (8 birds each). Data of feed consumption, body weight gain, feed conversion ratio, (Nτ–MH) excretion, rates of protein synthesis (Ks) and of protein degradation (Kd) were statistically analyzed by analysis of variance and continued to Duncan test when the treatment effect was significant (P < 0.05). (Nτ–MH) and nitrogen were measured from the totally collected excreta at the last week of the experiment. Body weight gain, muscle protein mass, nitrogen retention and Ks in R3 increased significantly (P < 0.05) as compared to those in R1. However, feed conversion ratio and (Nτ–MH) excretion in R3 decreased and significantly lower than those in R1. Feed consumption and Kd indicated the same values in all treatments. Improvement of dietary quality and nutritional content brought about the increase in growth rate and muscle protein mass, even though at a slow rate. This phenomenon was supported by the acceleration rate of Ks at a slow rate as well, with unchangeable rate of Kd. Feed utilization was not efficient since the value of feed conversion ratio was categorized high, ranging from 2.9 to 3.3. Key words: diet, growth , protein turnover, Kedu chicken
Fermentabilitas dan Kecernaan in Vitro Ransum Limbah Agroindustri yang Disuplementasi Kromium Anorganik dan Organik A Jayanegara; A S Tjakradidjaja; T Sutardi
Media Peternakan Vol. 29 No. 2 (2006): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

Chromium is a trace element which has been considered essential for humans and animals since 1959. However, the effect of chromium on activity of rumen microorganisms has not been yet investigated. This experiment was conducted to determine the effect of chromium supplementation to agroindustrial waste based diets on rumen microorganisms which was measured in vitro. Chromium supplement was in the form of anorganic and organic incoroporated to Rhizopus sp. fungus. Two experimental designs were used in this experiment. A completely randomized design with 10 treatments and 3 replications was used to measure dry matter and organic matter digestibilities (DMD and OMD). A factorial randomized block design 10 x 3 was used to measure total VFA and NH3 productions. Factor A was diet treatments and Factor B was fermentation period. Rumen fluid was used as block (replication). Treatments consisted of K1 (control diet), K2 (K1 + non mineral Rhizopus sp. fungus), A (K2 + anorganic Cr) with 4 levels of anorganic Cr (1, 2, 3, and 4 ppm), and O (K1 + organic Cr) with 4 levels of organic Cr (1, 2, 3, and 4 ppm). Incubation period was carried out for 1, 3, and 5 hours. The addition of non mineral Rhizopus sp. fungus (K2) decreased total VFA production from 110 to 59 mM (P < 0.05) and increased NH3production from 9.97 to 13.28 mM (P < 0.05). Supplementation of anorganic Cr decreased DMD and OMD compared to K2 (P < 0.05), but organic Cr supplementation increased DMD and OMD. Optimum level of organic Cr supplementation was 1 ppm and 4 ppm for anorganic Cr. This means that supplementation of organic Cr is four times more efficient than that of anorganic Cr. Key words : chromium, anorganic, organic, digestibility, fermentation
Pertumbuhan dan Distribusi Potongan Komersial Karkas Sapi Australian Commercial Cross dan Brahman Cross Hasil Penggemukan Harapin Hafid H; R Priyanto
Media Peternakan Vol. 29 No. 2 (2006): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

This research was conducted to study the growth and distribution of carcass components of beef carcas from Australian Commercial Cross and Brahman Cross cattle. The number of animals used was 165 heads with the body weight range of 350 - 400 kg taken from feedlot fattening. To study the growth and development of carcass component, the equation alometric Huxley was used. The result showed that breed had not significant effect on wholesale cuts. The geometry estimation on the specification of traditional markets and special market showed also the differences on topside (traditional market) and flank (special market). Key words : distribution, wholesale cuts, Australian Commercial cross, Brahman cross, fattening
Pengaruh Penggilingan dan Pembakaran terhadap Kandungan Mineral dan Sifat Fisik Kulit Pensi (Corbiculla Sp) untuk Pakan . Khalil
Media Peternakan Vol. 29 No. 2 (2006): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

An experiment was conducted to determine the percentage of rate, nutrient contents and physical properties of grinding and roasting products of freshwater mussel shell. Fresh mussel samples were collected from four different lakes in West Sumatra: Maninjau, Singkarak, Danau Diatas and Danau Dibawah. The samples of about 3 kg each were processed to separate the shell and their body content. The shells were then dried and processed to produce three different products: raw coarse ground, raw fine ground and roasted fine ground. Parameters measured included: percent rate of meal, the content of DM, ash, Ca and P, and physical properties (angle of response, bulk and compacted bulk densities and specific density). The results showed that grinding and roasting gave no significant effect on specific density and mineral content of the meal product. The rate of meal product and bulk density decreased, while angle of response and compacted bulk density increased significantly. It was concluded that both roasting and grinding could not improve both nutrient content and physical properties of freshwater mussel shell. Key words : freshwater mussel shell, roasting, mineral composition, physical properties
Sifat Fisik Daging Sapi Dark Firm Dry (DFD) Hasil Fermentasi Bakteri Asam Laktat Lactobacillus plantarum I I Arief; T Suryati; R.R A Maheswari
Media Peternakan Vol. 29 No. 2 (2006): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

A dark firm dry beef (DFD) can be produced in meat from animal with a degree of stress susceptibility. This type of meat is very sticky in texture and not palatable. The aim of the research was to study physical properties of DFD beef fermented by Lactobacillus plantarum combined with cold smoking. The experiment used a randomized block design. DFD beef samples were collected from beef abatoar with pH value of 6.5 - 6.8. The samples were divided into two groups; fermented by Lactobacillus plantarum and fermented naturally (control) for five days fermentation. Fermentation process was combined with cold smoking. The result showed that the pH value, tenderness and color of both groups were significantly influenced by the treatment, but the water holding capacity was not different. DFD beef fermented by Lactobacillus plantarum was more tender, lighter color and had longer sarcomere than control. Sensory analysis showed that color and tenderness of DFD beef fermented by Lactobacillus plantarum were better than control. Key words : dark firm dry beef, fermentation, Lactobacillus plantarum, color, tenderness

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