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Body Weight Estimation of Bali Cattle in Banyumulek Techno Park, West Nusa Tenggara using Several Morphometric Parameters

Paskah Partogi Agung, Widya Pintaka Bayu Putra, Saiful Anwar, and Ari Sulistyo Wulandari.

Buletin Peternakan 42 (1): 20-25, February 2018

Mean valueThis study was conducted to find the best linear regression equation to estimate the body weight (BW) of female Bali cattle in Banyumulek Techno Park, West Nusa Tenggara based on three morphometric parameters, i.e. withers height (WH), body length (BL), and heart girth (HG). Data collection was conducted by random sampling of female Bali cattle (1-5 years of age) in Banyumulek Techno Park. A total of 63 female Bali cattle were used in this study. The parameter of WH (distance from the ground level to the highest point of withers) and BL (distance from the shoulder joint (later tuberosity of humerus) to the pelvic bone) were measured with a measuring stick. The HG data (circumference around the chest at the fourth rib) was measured with a measuring tape. Identification of age was carried out based on the animal recording book and incisors condition. The descriptive statistic analysis (mean value, standard deviation, the coefficient of variation, minimum and maximum value) of the morphometric and BW data were performed using MS Excel 2017 program. The linear regression equation analysis and the comparison between actual and estimated BW values (Independent sample T-test) were performed using SPSS 16.0 program. The BL and BW parameters had the highest correlation coefficient (r) value (0.86). The test result showed that the predicted BW value of female Bali cattle was not significantly different with the actual BW when using G model of linear regression equation (three variables used). The G model of linear regression equation had the highest R2 value (0.84). However the R2 value in the F model with two variables (BL and HG) was also high (0.83). It can be concluded that the simple linear regression equation BW=(0.96)(WH)+(1.26)(BL)+(1.57)(HG)-284.92 are the best model to estimate the BW value of female Bali cattle in Banyumulek Techno Park.

Keywords: Bali cattle, Body measurement, Body weight, Correlation, Regression

Katalog: http://perpus.biotek.lipi.go.id/index.php?p=fstream&fid=3340&bid=15815

Disusun oleh: Ludya AB/Pustakawan

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Antioxidant Production Of Lactic Acid Bacteria Isolated From Indonesian Traditional Fermented Buffalo Milk (Dadih)

Hasim, AZ Mustopa, N Andrianto, Fatimah, Didah Nur Faridah (2017).

Journal of Pharmacy and Biological Sciences, Vol. 12 (5): 76-82. ISSN 2278-3008.

Microbial endophite from plant sugar-apple 1One of antioxidant sources is foods that contain peptides from enzymatic hydrolysis and/or fermentation by lactic acid bacteria (LAB). The availability of antioxidants in fermented food, particularly milk, is associated with the presence of LAB. Dadih is traditionally made by keeping the fresh raw buffalo milk in a bamboo tube capped with banana leaf and allowing it to ferment spontaneously at room temperature for two days. This research aimed to obtain bacteria from dadih with the highest antioxidants. Isolate Lac 3 and Lac 13 displayed the highest antioxidant activity, with inhibition capacity of 64.2 persen and 63.79 persen respectively against DPPH radical. The result showed that 6 best isolates (Lac 3, Lac 13, DS 6, DS 10, DS 12, and DS 14) were not significantly different. Lac 3 was found to be identical with Lactococcus lactic subsp lactic, while Lac 13 was identical with Lactobacillus plantarum with the percentage of similarity of 98 persen and 96 persen respectively. Lactococcus lactic subsp lactic displayed the highest antioxidant activity at the early stationary phase and at the lowest pH value of culture.

Kata kunci: antioxidant activity, dadih, lactic acid bacteria, milk

Katalog: http://perpus.biotek.lipi.go.id/index.php?p=fstream&fid=3338&bid=15813

Disusun oleh: Ludya AB/Pustakawan

 

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Production of Mannanase from Bacillus Subtilis LBF-005 and Its Potential for Manno-oligosaccharides Production

Yopi, Nanik Rahmani, Alifah Mafatikhul Jannah, Irfan Pebi Nugraha, Roni Masri Ramadana

Proceedings of the 3rd International Symposium on Applied Chemistry 2017

AIP Conference Proceedings. Vol. 1904, Issue 1: 020022-1–020022-9

https://doi.org/10.1063/1.5011879

Published by AIP Publishing. 978-0-7354-1594-2

Microbial endophite from plant sugar-apple 1Endo- -1, 4-mannanase is the key enzymes for -1,4-linkages within the mannan backbone releasing manno-oligosaccharides (MOS). A marine bacterium of Bacillus subtilis LBF-005 was reported have ability to produce endo-type mannanase. The aims of this research were to compare commercial biomass Locust Bean Gum (LBG) and raw biomass contaning mannan as carbon source for mannanase production from Bacillus subtilis LBF-005, to analyze the optimum condition of mannanase production, and to find out the potential of the mannanase for MOS production. Bacillus subtilis LBF-005 was cultivated in Artificial Sea Water (ASW) medium contain NaCl and various mannan biomass as carbon source for mannanase production. The cells were grown in submerged fermentation. The maximum enzyme activity was obtained with porang potato as a substrate with concentration 1 persen, pH medium 8, and incubation temperature 50°C with an enzyme activity of 37.7 U/mL. The mainly MOS product released by crude mannanase produced by Bacillus subtilis LBF-005 were mannobiose (M2), mannotriose (M3), mannotetraose (M4), and mannopentaose (M5)

Kata kunci: Bacillus subtilis.,cellulase, hemicellulase, marine bacteria, oligosaccharide, mannanase

Katalog: http://perpus.biotek.lipi.go.id/index.php?p=fstream&fid=3310&bid=15787

Disusun oleh: Ludya AB/Pustakawan

 

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