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All Journal PETERPAN (Jurnal Peternakan Terapan)
D M Sinaga
Politeknik Negeri Lampung
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Veterinary

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Estimasi dan Validasi Total Digestible Nutrient Hijauan Pakan dari Komposisi Kimia Pakan D M Sinaga; A Jayanegara; E B Laconi
PETERPAN (Jurnal Peternakan Terapan) Vol. 5 No. 1 (2023)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (297.827 KB) | DOI: 10.25181/peterpan.v5i1.2884

Abstract

This study aims to estimate and validate the accuracy of estimated Total Digestible Nutrient (TDN) content in forages based on the chemical composition of feed. Data on nutrient composition for estimates were obtained from the BR-CORTE database consisting of 86 types of forages and primary data from observations consisting of 19 types of forages. Analysis data is used Pearson correlation, multiple linear regression, determination coefficient (R2), and root mean square error (RMSE) for estimation models, variance test (ANOVA), and T-test for validation. The results showed that forage TDN had a negative correlation with Neutral Detergent Fibre (NDF) (P <0.01) and lignin (P <0.05), but was positively correlated with Non-Fibre Carbohydrate (NFC) (P <0.01), Ether Extract (EE) and Crude Protein (CP) (P<0.01). Thus, the TDN value can be estimated from the chemical composition in the feed. The regression equation that will be used to estimate forage TDN content is TDN = 0.482 NDF + 1.538 EE + 0.699 NFC + 0.718 CP (R2=0.994). Then, this equation is validated and compared to the Hartadi’s and Wardeh’s equations. The results of the T-test showed that the TDN value estimated is non significantly different with TDN Hartadi for cattle (P>0.05). It concluded TDN value of local forage can be estimated based on this estimation models.
Uji Daya Simpan Inokulum dan Ketahanan Lactobacillus plantarum terhadap pH Rendah sebagai Agensia Direct Fed Microbials untuk Ternak Ruminansia H Suryani; D T Marya; D M Sinaga; N A Usman
PETERPAN (Jurnal Peternakan Terapan) Vol. 5 No. 2 (2023)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/peterpan.v5i2.3256

Abstract

Direct Fed microbials (DFM) is a product of non-pathogenic live microorganisms that is beneficial when given to humans or livestock to improve livestock health, feed conversion efficiency and perfomance by suppressing pathogenic microorganisms in the digestive tract and influencing the balance of intestinal microbes. This study aims to provide information about the potential of Lactobacillus plantarum FNCC 0020 as a DFM agent. This study used a descriptive experimental method. Parameters observed included resistance tests to acid pH (5, 3, 2), pH 7 were also tested to determine resistance to neutral pH. The ability of Lactobacillus plantarum FNCC 0020 to survive at room temperature with different incubation times (5, 7, 10 days) were also tested to determine the storability of Lactobacillus plantarum FNCC 0020 inoculum at room temperature.. The results showed that Lactobacillus plantarum FNCC 0020 had resistance to the lowest pH (2) and also survived at neutral pH (7) with a total colony of 2.25 x 108 and .3 x 107 CFU mL-1, respectively. Lactobacillus plantarum FNCC 0020 inoculum can be stored at room temperature for up to 10 days and still has a total colony of 3.8 x 107 CFU mL-1.
Co-Authors Anuraga Jayanegara D T Marya E B Laconi H Suryani N A Usman