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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. 31 No. 3 (2008): Media Peternakan" : 9 Documents clear
Contamination Level of Staphylococcus spp. in Raw Goat Milk and Associated Risk Factors E Taufik; G Hildebrandt; J N Kleer; T I Wirjantoro; K Kreausukon; F H Pasaribu
Media Peternakan Vol. 31 No. 3 (2008): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

This study was aimed to investigate the presence of pathogenic bacteria in raw goat milk by using Staphylococcus spp. as indicator bacteria, and also to evaluate the potential risk factors associated with them. Information regarding potential risk factors was collected by questionnaire. The conventional bacteriological method for bacterial isolation and the indirect test (California Mastitis Test (CMT)) for determining udder inflammation status were employed. A sample size of 300 udder halves milk samples from three commercial dairy goat farms in the Bogor District, West Java Province, Indonesia were investigated for counts and prevalence of indicator bacteria. Ten potential risk factors were also evaluated in relation to counts and prevalence of indicator bacteria. The results showed that the median value of indicator bacterial count from overall udder-half milk samples was 3.00 log cfu/ml. The indicator bacterial count from udder-half milk samples was significantly different (P < 0.05) among farms. Overall prevalence of Staphylococcus spp. was 78.7%. As one of potential risk factors, udder inflammation status was found to be risk factor for Staphylococcus spp. contamination in milk. Udders with inflammation had significant association and a higher chance of having contaminated samples by Staphylococcus spp. as compared to udders without inflammation. Additionally, according to these study results, CMT can be used as an effective, reliable, cheap and “farm and farmer friendly test" for screening test of intramammary infection (IMI) or sub clinical mastitis in dairy goats. Key words: goat milk, Staphylococcus spp., prevalence, risk factor, California Mastitis Test
Penambahan Sabun-Kalsium dari Minyak Ikan Lemuru dalam Ransum: 1. Pengaruhnya terhadap Tampilan Produksi Domba A Sudarman; K G Wiryawan; H Markhamah
Media Peternakan Vol. 31 No. 3 (2008): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

Since the use of fat more than 5% in ruminant diets would disturb fermentation process in the rumen, the use of fat more than 5% must be protected. The calcium soap is one form of protected fat. The objective of this research was to study the effect of calcium soap in the diets on performance of sheep. Sixteen sheep were used and divided into four groups consisted of four animals in each group. The sheep were allocated in a Randomized Block Design. The treatment diets were, R0: control diet, R1: R0 + 1.5% calcium soap, R2: R0 + 3% calcium soap and R3: R0 + 4.5% calcium soap. Data were analyzed using analysis of variance and any significant differences were further tested using contrast orthogonal. The results showed that the treatments significantly (P < 0.05) decreased daily gain, dry matter, energy and protein intake, but feed conversion ratio and water intake were not significantly affected. Key words: sheep, calcium-soap, feed intake, daily gain, water intake
Efisiensi Penggunaan Energi Metabolis Ransum Berbasis Onggok yang Difermentasi Bacillus amyloliquefaciens pada Ayam Broiler . Wizna
Media Peternakan Vol. 31 No. 3 (2008): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

An experiment was conducted to determine the effects of using Bacillus amyloliquefaciens-fermented tapioca by-products (onggok) on the metabolism energy differences in the diets to the performance of broilers. Eighty unsexed three day old broiler chicks were randomly allocated into 20 pens (four chicks/pen). This experiment was arranged in a completely randomized design with four dietary treatments (3000, 2900, 2800 and 2700 kkal/kg for broilers) of energy metabolism in diets and five replications. Measured variables were feed consumption, average body weight gain, feed conversion, carcass percentage, abdominal fat percentage and income over feed cost (IOFC). Results of the experiment indicated that feed consumption, average body weight gain, feed conversion, carcass percentage, abdominal fat percentage and income over feed cost (IOFC) were not affected (P>0.05) by levels of metabolism energy in the diets for broilers. In conclusion, Bacillus amyloliquefaciens-fermented tapioca by-products (onggok) can be included up to 40% with energy metabolism 2700 kkal/kg in broilers diets and improved the efficiency of metabolizable energy. Key words: fermented onggok, Bacillus amyloliquefaciens, metabolizable energy, broiler
Sifat Kimia dan Nilai Biologis Konsentrat Protein Bungkil Inti Sawit Hasil Ekstraksi Kombinasi Fisik-Kimiawi . Yatno; N Ramli; P Hardjosworo; A Setiyono; T Purwadaria
Media Peternakan Vol. 31 No. 3 (2008): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

The experiment was conducted to evaluate chemical characteristics and biological value of protein concentrate extracted from palm kernel meal (PKM) using combination of physical and chemical extraction. The best method of extraction in term of total amino acid (TAA), essential amino acid (EAA), essential amino acid index (EAAI), and protein recovery then was used for protein retention evaluation using 20 heads of male quails age 30 days. The animals were randomly assigned to one of three dietary treatments, while the remaining quails were used to measure endogenous protein. The treatments were; R1=diet containing 9% crude protein from the best protein concentrate from PKM, R2=diet containing 9% crude protein from PKM and R3=diet containing 9% crude protein from soybean meal). The results showed that protein of PKM had isoelectric pH in a range of 4.3-4.4. Protein concentrate of PKM produced by grinding using 0.05 N acetic acid followed by soaking 1 N technical-NaOH had the highest protein quality compared with those of the other treatments. TAA, EAA, EAAI amount of precipitate and protein recovery of the protein concentrate were 33.38%, 16.76%, 62.41%, 12.18% and 50.38%, respectively. Protein retention of quails fed R1 was not different compared to that of R3 (69,82 vs 70,57%), while quails received R2 had the lowest protein retention value (61,19%). It is concluded that combination methods of physical and chemical extraction using 0.05 N acetic acid followed by soaking with 1 N technical NaOH (E3) was the best method in producing high quality of protein concentrate, and the product had similar protein retention value as that of soybean meal. Key words: chemical characteristics, biological value, protein concentrate, palm kernel meal, extraction
Nisbah Sinkronisasi Suplai N-Protein dan Energi dalam Rumen Sebagai Basis Formulasi Ransum Ternak Ruminansia . Hermon; . Suryahadi; K G Wiryawan; S Hardjosoewignjo
Media Peternakan Vol. 31 No. 3 (2008): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

The experiment was conducted to determine the optimum synchronization ratio of N-protein and fermented organic matter (OM) in the rumen for the purpose of ration formulation for ruminant animals, in order to improve efficiency of rumen microbial N synthesis and feed efficiency. Nylon bag technique was adopted to determine ruminal characteristic of protein and OM degradation of feedstuffs (forage and concentrate diet) for which the synchronized index of N-protein and fermented OM in the rumen might be determined. By randomized block design, twelve local cattle were arranged to four groups. Each group was fed three types of diet that was different in synchronization ratio of supplying N-protein and fermented OM in the rumen, namely 20 g N/kg OM (R20); 25 g N /kg OM (R25); and 30 g N /kg MO (R30). The diets had iso-energy and iso-protein contents and had the same synchronization index. The results showed that the type of diet had no effect (P>0.05) on intake and digestibility of nutrients, N retention, average daily gain (ADG), and feed efficiency. But R20 had better parameter values than those of R25 and R30. It might be concluded that the diet having a synchronization ratio of 20 g N/kg fermented OM in the rumen will generate more efficient protein synthesis of rumen microbes and feed efficiency. Key words: synchronization index, microbial protein synthesis, ruminal characteristic
Performa Ayam dan Kualitas Telur yang Menggunakan Ransum Mengandung Onggok Fermentasi dengan Neurospora crassa . Nuraini; . Sabrina; S A Latif
Media Peternakan Vol. 31 No. 3 (2008): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

An experiment was conducted to determine the effect of feeding tapioca by-products fermented by Neurospora crassa on layer performances and egg quality. Two hundred layers were randomly allocated into 20 pens. This experiment was arranged in a completely randomized design with four dietary treatments: 0%, 10%, 20% and 30% tapioca by product fermented by N. crassa in the diets and five replications. Variable measured were feed comsumption, egg production, feed conversion, egg cholesterol and egg yolk colour. Results of the experiment indicated that feed comsumption, egg production, feed conversion, egg cholesterol and egg yolk colour were affected (P < 0.05) by using fermented tapioca by-product in the diets of layers. Results of Duncan multiple range test indicated that feed consumption, egg production, and egg yolk colour in D treatment (used 30% tapioca by-products fermented) were the highest compared to those other treatments, but the lowest on feed conversion and egg cholesterol. The conclusion of the experiment that tapioca by-products fermented by N. crassa can be used up to 30% in the diet of layer. Key words: tapioca by product fermented, Neurospora crassa ,layer performances, egg
Kejadian Hujan Asam di Kabupaten Bogor dan Retensi Timbal pada Domba Lokal yang Diberi Ransum Berkadar Timbal Tinggi D Diapari; H. M H Bintoro; J Jachja; K A Notodiputro; M S Saeni
Media Peternakan Vol. 31 No. 3 (2008): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

The objectives of this research were: 1) to find out whether acid rain has taken place in Bogor Regency area and its effect on the lead (Pb) content in soil and roughage in the region, 2) to predict the correlation of Pb content in rain water and soil, and the content of Pb in roughage in the Bogor regency area, 3) to study the impact of acid and Pb content in the ration to sheep daily gain and measure Pb content in liver, kidney and meat. The results showed that in Bogor regency area the acid rain occurred during the dry season but not in the wet season. The Pb content in the rainwater and soil were not affected by acid rain. There was no correlation of Pb content between soil and roughage. Acid containing ration decreased daily gain, but not for the ration of high Pb-content. Acid containing ration increased Pb content in the kidney but not in the liver and meat. However, high Pb content in the ration increased the Pb content in the liver and kidney but not in the meat. Key words: acid rain, Pb, Bogor, local sheep
Pembentukan Model Penciptaan Pengetahuan (Knowledge Creation) dalam Mendorong Inovasi pada Koperasi Susu di Indonesia: Suatu Studi Konfirmatori A Sukmawati; M S Maarif; . Marimin; K Mudikdjo; H Hardjomidjojo; N S Indrasti
Media Peternakan Vol. 31 No. 3 (2008): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

Many theories highlighted the critical importance of knowledge creation on the long-term success of the organization. However, the scarcity of empirical work on knowledge creation model has limited our understanding of the overall organizational process involved. To overcome this, we attempt a comprehensive analyze of knowledge creation model within the organization, exploring the relationship between innovation, knowledge creation model, problem-solving capability, absorptive capacity, knowledge acquisition and assets. Data of this case study were taken from three dairy cooperations in Java. Analysis was conducted using Structural Equation Modeling (SEM) with Lisrel 8.72. The results revealed that several contributing factors (problem-solving capability, absorptive capacity, knowledge acquisition and assets) had significant effect on innovation. On the other hand, knowledge creation model had no significant effect on innovation in the context of the dairy cooperation in Indonesia. The implication for managers is that by focusing on externalization process in knowledge creation model within the organization. In the pattern of innovations, product innovation is the most important. Key words: innovation, knowledge creation, problem-solving capability, absorptive capacity, dairy cooperation
Fermentasi Silase dan Manfaat Probiotik Silase bagi Ruminansia Y Widyastuti
Media Peternakan Vol. 31 No. 3 (2008): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

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Abstract

Forage conservation has long been a part of the agricultural scene in some countries in the world. Ensilage is a preservation method for moist forages that is based on natural lactic acid fermentation under anaerobic conditions. There are six phases which occur during ensilage, storage and feed-out of the fermented forages. The technology of silage making is not popular in Indonesia, although ensilage may successfully occurs in tropical area including Indonesia. The reason may be due to limited information available regarding ensilage for the farmers. This review covered silage fermentation process and probiotics effect of feeding silage to the ruminants. The role of lactic acid bacteria is very important both from the preservation and antimicrobial points of view. Key words: lactic acid bacteria, fermentation, silage, probiotics

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