The Potential of Synbiotics Supplementation using Gembili Inulin as a Prebiotic in Improving Fermentability and Productivity of Lambs Fed Diet of Different Fibre Content
The Potential of Synbiotics Supplementation using Gembili Inulin as a Prebiotic in Improving Fermentability and Productivity of Lambs Fed Diet of Different Fibre Content
Hanung Dhidhik Arifin1,2, Edy Rianto1*, Endang Purbowati1, Anis Muktiani1
ABSTRACT
This study was carried out to examine the potential of Gembili inulin as a prebiotic source in synbiotic supplementation on nutrient utilization, fermentability and productivity of lambs fed diet of different fibre content. A completely randomized design was used in experiments 1 with 4 treatments. There were 2 steps in experiment 1. 1) Inulin extract from Gembili, buffalo rumen fluid, and a diet were used in vitro 1. 2) Synbiotic (Sin) supplementation, sheep rumen fluid, and a diet were used in in vitro 2. In experiment 2, the study used a completely randomized design (CRD) in 3x2 Factorial structure with 4 replications. The twenty four lambs divided into 3 groups of Pakchong grass: concentrate ratio and each diet conducted in 2 level of synbiotic supplementation. The parameters observed were the fermentability, digestibility of the diet and productivity of lambs. The data obtained were analysed by ANOVA, and if there was a significant effect among treatments, it was followed by Duncan’s multiple range test. The study showed that fibrous feed supplemented GI up to 15mg had higher volatile fatty acids and ammonia concentrations (P<0.05) and increased microbial protein production (P<0.05). Fibrous feed supplemented synbiotic up to 3 % had highest digestibility (P<0.05) and increased butyric acid (P<0.05). In experiment II, Lambs fed 100% grass and supplemented synbiotic up to 3% had lowest acetic acid and methane production (P<0.05). Supplementation of synbiotic did not affect feed intake, digestibility and productivity of lambs (P>0.05). The feed intake, nutrient utilization, and productivity of lambs were highly affected by fibre and protein content in the diet (P<0.05). In conclusion, The use of Inulin Gembili as a prebiotic source up to 3% in various types of dietary fibre can improve the rumen profile in vitro. Feed intake, nutrient utilization and sheep productivity in vivo did not change with synbiotic supplementation at different levels of fibre and concentrate in the diet. However, Inulin from Gembili as a prebiotic source in synbiotic supplementation reduces the production of acetic acid and methane simultaneously. This kept the ammonia concentration stable and prevents the risk of bloating when protein is increased and dietary fibre sources are reduced.
Keywords | Gembili inulin, Synbiotic, Fermentability, Digestibility, Productivity, Lambs
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July 2025
Adv. Anim. Vet. Sci., Vol. 13, Iss. 7,
