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All Journal MEDIA PETERNAKAN - Journal of Animal Science and Technology
E Gurnadi
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Agriculture, Biological Sciences & Forestry

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Sifat Fisiko-Kimia Dendeng Daging Giling terkait Cara Pencucian (Leaching) dan Jenis Daging yang Berbeda . Suharyanto; R Priyanto; E Gurnadi
Media Peternakan Vol. 31 No. 2 (2008): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (146.127 KB)

Abstract

Dendeng is a typical Indonesian jerked meat commonly made from sliced or ground beef with 2 mm thickness. This research was conducted to study the effect of kind of meat and leaching method on pH, toughness, protein, fat content and peroxide value (PV) of ground jerked meat. The experiment was set up in a completely randomized factorial design with three replications. The first factor was three levels of leaching methods (no washing, washed in 1.5 x 1.5 x1.5 cm size and washed minced meat). The second factor was kind of meat namely horse meat, lamb and beef. The results indicated that neither interaction effect between leaching and kind of meat nor effect of leaching were significant on all characteristics observed. Kind of meat influenced significantly on the pH, toughness, fat content and PV of dendeng (P < 0.01). Key words: dendeng, physical-chemical characteristics, leaching
Kualitas Daging Kancil (Tragulus javanicus) D Rosyidi; E Gurnadi; R Priyanto; Suryahadi Suryahadi
Media Peternakan Vol. 33 No. 2 (2010): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1517.395 KB) | DOI: 10.5398/medpet.2010.33.2.95

Abstract

Lesser mouse deer is a native animal, which is commonly found in the forest of Java and information concerning this animal is still limited. This research explored the quality of lesser mouse deer meat (Tragulus javanicus). Eight lesser mouse deer (four females and four males) were used in quality aspects of lesser mouse deer meat. The physical properties observed were pH, water holding capacity, tenderness, and cooking loss. While the chemical properties observed were proximate analysis, amino acids, fatty acids, cholesterol, and EPA-DHA of the meat. The results showed that meat samples had average of ultimate pH (6.32), water holding capacity (32.82%), tenderness (1.80 kg f/m2), and cooking loss (45.15%). The average meat chemical compositions namely content of water, protein, fat, ash and cholesterol were 76.33%, 21.42%, 0.51%, 1.20%, and 50.00 mg/100 g, respectively. Fatty acids consisted of lauric, miristic, palmitic, stearic, oleic, linoleic, and linolenic acid were in the amount of 1.04% 3.09%, 30.97%, 0.77%, 59.41%, 3.22%, and 1.12%, respectively. The total EPA and DHA was 0.13% and 0.05%. Respectively, the results showed that quality aspects of  lesser mouse deer meat had a high ultimate pH, low water holding capacity, tenderness, high cooking loss, and high water content, high protein, low fat and high cholesterol.
A Novel Single Nucleotide Polymorphism in Exon 4 of Insulin-Like Growth Factor-1 Associated with Production Traits in Bali Cattle . Maskur; C Arman; C Sumantri; E Gurnadi; . Muladno
Media Peternakan Vol. 35 No. 2 (2012): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (548.748 KB) | DOI: 10.5398/medpet.2012.35.2.96

Abstract

Insulin-like growth factor-1 (IGF-1) is one of the gene candidates that can be used in selection strategy by using DNA markers (marker assisted selection). Gene candidate strategy is a molecular biology techniques to identify quantitative trait loci directly, with the assumption that genetic variation associated to quantitative trait variation. This study was designed to identify any new mutations in exon 4 that can cause the  IGF-1 gene polymorphism and then affect the production traits on Bali cattle. Single nucleotide polymorphism (SNP) discovery was conducted by using the direct sequencing technique. Genetic variation of the genes candidate was identified by using PCR-RFLP technique. The results of this study indicate the presence of a new SNP in exon 4 of IGF-1 gene caused by the T/C transition, which can be identified using Rsa1 restriction enzyme. Genotypic polymorphism of IGF-1/Rsa1 has a significant influence on birth weight, weaning weight and average daily gain of Bali cattle. CC genotype had a birth weight rate, weaning weight and average daily gain of: 15.64±1.83; 83.15±9.00, and 0.439±0.07 respectively, higher than the TT and CT genotype. IGF-1/Rsa1 can be used as a genetic marker for selection of birth weight, weaning weight, and daily body weight gain. 
Co-Authors . Maskur C Arman C Sumantri D Rosyidi Muhammad Rivai R Priyanto Suryahadi (Suryahadi)