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All Journal MEDIA PETERNAKAN - Journal of Animal Science and Technology Tropical Animal Science Journal
C. Budiman
Department of Animal Production and Technology, Faculty of Animal Science, Bogor Agricultural University
Agriculture, Biological Sciences & Forestry Energy

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The Associations of GH and GHR Genes with Carcass Components in Indonesian Kampung and Broiler Chicken Cross I. Khaerunnisa; Jakaria Jakaria; I. I. Arief; C. Budiman; C. Sumantri
Media Peternakan Vol. 40 No. 2 (2017): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1406.765 KB) | DOI: 10.5398/medpet.2017.40.2.78

Abstract

The chicken growth hormone (GH) and its receptor (growth hormone receptor, GHR) play important roles in chicken performances due to their crucial functions in growth. The variations of GH and GHR genes were then thought to be associated with the variations of the performances. This experiment was designed to identify the g.2248G>A GH and the g.565G>A GHR loci polymorphisms and to evaluate their associations with carcass components in Kampung and broiler chicken cross. A total of 215 chickens including 4 chicken populations (Kampung, Cobb broiler, F1, and F2 Kampung x broiler chicken cross) were screened to identify polymorphism using PCR-RFLP technique with EcoRV and Eco72I restriction enzyme for GH and GHR loci, respectively. The carcass components were recorded at 26 weeks of age on F2 Kampung and broiler chicken cross (42 chickens) for association study. Both the g.2248G>A GH and the g.565G>A GHR loci were polymorphic with two alleles (G and A) and three genotypes (GG, AG, and AA). The GG genotype and the G allele of GH locus were predominant in all chicken populations. While in GHR locus, the AA genotype and the A allele were found to be higher in all chicken populations. The association study showed that the g.565G>A GHR locus polymorphism had significant effect on carcass components, including live weight, carcass weight, breast weight, thighs weight, breast muscle weight, and thighs muscle weight. There was no significant association was found between the g.2248G>A GH genotype and carcass components. It could be concluded that the g.2248G>A GH and the g.565G>A GHR loci were polymorphic in Kampung and broiler chicken cross and the g.565G>A GHR locus was accosiated with carcass components. This g.565G>A GHR SNP might be an important candidate marker for chicken growth and muscle mass improvement.
Purification of Bacteriocin from Lactobacillus plantarum IIA-1A5 Grown in Various Whey Cheese Media Under Freeze Dried Condition R. Fatmarani; I. I. Arief; C. Budiman
Tropical Animal Science Journal Vol. 41 No. 1 (2018): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (533.627 KB) | DOI: 10.5398/tasj.2018.41.1.53

Abstract

Lactobacillus plantarum IIA-1A5 is a lactic acid bacteria (LAB) that has been reported to have capacity to produce bacteriocin, usually called plantaricin. This bacteriocin is usually produced in commercial synthetic media. However, the media is expensive, thus finding a novel source which is less expensive and abundant is necessary. The present work was aimed to compare the use of gouda and mozarella cheese whey as growth media of L. plantarum IIA-1A5 producing plantaricin, as well as to evaluate the effectiveness of freeze dried plantaricin as an antimicrobial agent. The results showed that gouda and mozarella cheese whey were applicable for growth media of L. plantarum IIA-1A5 and production of plantaricin. The plantaricin produced from the whey showed a size of about 9.6 kDa. Freeze dried plantaricin was shown to be relatively stable in the second week of storage, but there was a slight decrease in protein concentration during storage, indicating that the protein was partially denatured and precipitated. However, the freeze dried plantaricin showed inhibitory activities against S. aureus ATCC 25923, B. cereus ATCC 21332, S. thpymurium ATCC 14028, E. coli ATCC 25922, and P. aeruginosa ATCC 27853 during storage at room temperature.
Co-Authors C. Sumantri I. I. Arief I. Khaerunnisa Jakaria Jakaria R. Fatmarani