Efek Suplementasi Probiotik Lactobacillus plantarum terhadap Efek Fermentabilitas dan Metanogenesis Rumen Sapi: Studi Kuantitatif

Abstract

Penelitian ini bertujuan mengetahui efek suplementasi Lactobacillus plantarum terhadap fermentabilitas dan metanogenesis rumen pada ternak ruminansia dengan mengintegrasikan data dari berbagai studi terkait dan menggunakan model matematis analisis regresi. Peubah yang diamati dalam penelitian ini antara lain total gas, emisi metana, pH, NH3, populasi bakteri dan total VFA. Data diolah secara analisis deskriptif dan analisis regresi linier sederhana. Suplementasi probiotik Lactobacillus plantarum mampu meningkatkan jumlah produksi gas, total VFA dan beberapa produk VFA parsial meliputi propionate dan butirat, sehingga hal ini dapat menunjukkan bahwa penggunaan Lactobacillus plantarum mampu mengefisienkan proses fermentasi pakan di dalam rumen. Suplementasi probiotik Lactobacillus plantarum berpengaruh menurunkan jumlah produksi gas metan (CH4) dan proporsi asetat dalam rumen yang berasosiasi terhadap penurunan rasio asetat:propionat dalam rumen. Kata kunci : bakteri asam laktat, fermentabilitas, Lactobacillus plantarum, metanogenesis, rumen.

This study aimed to determine the effect of Lactobacillus plantarum supplementation on rumen fermentability and methanogenesis in ruminants by integrating data from various related studies and using a mathematical model of regression analysis. The observed variables were total gas, CH4, pH, NH3, number of bacterial microbes and total VFA. The data was processed by descriptive statistics and simple linear regression test. The probiotic supplementation of Lactobacillus plantarum was able to increase the amount of gas production, total VFA and some partial VFA products including propionate and butyrate, so this could indicate that Lactobacillus plantarum utilization were able to streamline the feed fermentation process in the rumen. Supplementation of probiotic Lactobacillus plantarum had an effect on reducing the amount of methane gas production (CH4) and the proportion of acetate in the rumen which was associated with a decrease in the ratio of acetate:propionate in the rumen. Keywords : fermentability, methanogenesis, lactic acid bacteria, Lactobacillus plantarum, rumen