efcsr Open Access Journal

European Frontiers in Current Science and Research

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EVALUATING GLIRICIDIA SEPIUM LEAF INCLUSION AS A CONCENTRATE REPLACEMENT IN COMPLETE RATIONS: EFFECTS ON NUTRIENT PROFILE, FIBER COMPONENTS, DIGESTIBILITY, AND IN VITRO RUMEN FERMENTATION

1 Department of Animal Nutrition, Eastern Highlands Agricultural University, Ifugao, Philippines
2 Faculty of Veterinary and Animal Sciences, University of Agrobiotech, Nagarkurnool, India
3 Department of Ruminant Science, Great Lakes Agricultural Research Institute, Mwanza, Tanzania

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Abstract

Imagine a world where livestock farming is more affordable and kinder to our planet. This study dives into how we can make that happen by using Gliricidia sepium (also known as Gamal) leaves as a substitute for expensive traditional concentrates in animal feed. We set up an experiment with four different feed mixes, gradually increasing the amount of Gliricidia sepium from 0% (our control) to 10%, 20%, and finally 30%. Our findings showed that adding more Gliricidia sepium significantly boosted the protein content of the feed and surprisingly, even lowered the tough-to-digest fiber components (NDF and ADF), while slightly reducing easily digestible carbohydrates (NFE).

When we looked at how well the feed was digested in a lab setting (in vitro), we found that moderate amounts of Gliricidia sepium (10% and 20%) kept digestibility levels strong, even slightly improving them. However, pushing it to 30% actually caused a noticeable drop in digestibility. Similarly, the rumen microbes, which are essential for digestion, were most active and efficient at the 10% Gliricidia sepium level, producing more gas, ammonia, and beneficial fatty acids, and synthesizing more microbial protein. But at 30%, their activity dipped.

What does this all mean? It suggests that Gliricidia sepium leaves can be a fantastic, cost-effective, and sustainable alternative to traditional concentrates for ruminants. The sweet spot seems to be around 10-20% inclusion, where we get the best nutritional benefits and efficient digestion without running into problems from natural compounds in the leaves. This research offers exciting possibilities for farmers looking to cut costs and improve their animals' diets in a sustainable way.


Keywords

Gliricidia sepium, complete feed, nutrient content, crude fiber

References

1. Akbar Mishbahul. 2021. Pengaruh Penambahan Asam Miristat Dan Tepung Daun Kaliandra (Calliandra Calothyrsus) Sebagai Sumber Tanin Pada Pakan Lengkap Berbasis Jerami Jagung Terhadap Produk Fermentasi Di Dalam Rumen Secara In Vitro. Tesis. Fakultas Peternakan Universitas Brawijaya. Malang.

2. Akbar, J. 2021. Analisis Ekonomi Usaha Ternak Sapi Potong di Desa Tapale Kecamatan Liboreng Kabupaten Bone. Makasar, Universitas Muhammadiyah Makasar.

3. Anggorodi, R. 1979. Ilmu Makanan Ternak Umum. PT.Gramedia, Jakarta.

4. Ani, A. S., Pujaningsih, R. I. dan Widiyanto. 2015. Perlindungan Protein Mengandung Tanin dan saponin terhadap daya Fermentasi Rumen dan Sintesis Protein Mikroba. Jurnal Veteriner. 16(3): 439-447.

5. Anwar, S., Ana, R., dan Iman H. 2016. Pengaruh Tingkat Penambahan Complete Rumen Modifier (Crm) Dalam Ransum Berbasis Jerami Jagung Terhadap Produksi Gas Metan Dan Degradasi Bahan Kering Di Rumen (In Vitro). Fakultas Peternakan Universitas Padjadjaran. Bandung.


How to Cite

Dr. Jovani L. Mentu, Dr. Palwita R. Kandro, & Dr. Ndesha B. Lurambo. (2024). EVALUATING GLIRICIDIA SEPIUM LEAF INCLUSION AS A CONCENTRATE REPLACEMENT IN COMPLETE RATIONS: EFFECTS ON NUTRIENT PROFILE, FIBER COMPONENTS, DIGESTIBILITY, AND IN VITRO RUMEN FERMENTATION. European Frontiers in Current Science and Research, 1(01), 7-19. https://parthenonfrontiers.com/index.php/efcsr/article/view/167

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