In vitro and in sacco evaluation of total mixed ration silage added different levels of chitosan

Ayu Septi Anggraeni, Anuraga Jayanegara, Ahmad Sofyan, Erika Budiarti Laconi, Nur Rochmah Kumalasari, I Nyoman Gunadarma, Hendra Herdian and Rusli Fidriyanto
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Ayu Septi Anggraeni: Research Center for Food Technology and Processing, National Research and Innovation Agency, Gunungkidul, Indonesia
Anuraga Jayanegara: Graduate School of Nutrition and Feed Science, Faculty of Animal Science, IPB University (Bogor Agricultural University), Bogor, Indonesia
Ahmad Sofyan: Research Center for Animal Husbandry - National Research and Innovation Agency, Bogor, Indonesia
Erika Budiarti Laconi: Graduate School of Nutrition and Feed Science, Faculty of Animal Science, IPB University (Bogor Agricultural University), Bogor, Indonesia
Nur Rochmah Kumalasari: Graduate School of Nutrition and Feed Science, Faculty of Animal Science, IPB University (Bogor Agricultural University), Bogor, Indonesia
I Nyoman Gunadarma: Graduate School of Faculty of Animal Science Bogor Agricultural University (IPB University), Dramaga-Bogor, Indonesia
Hendra Herdian: Research Center for Animal Husbandry - National Research and Innovation Agency, Bogor, Indonesia
Rusli Fidriyanto: Research Center for Research Center for Applied Zoology - National Research and Innovation Agency, Bogor, Indonesia

Czech Journal of Animal Science, 2024, vol. 69, issue 5, 178-190

Abstract: This experiment aimed to evaluate the effects of chitosan administration to total mixed ration (TMR) silage on ruminal fermentation characteristics and degradability by using both in vitro and in sacco methods. The completely randomized design (CRD) used in this study included five treatments and six replications. The treatments consisted of TMR silage with distilled water as control (SA), TMR with 1% acetic acid (SB), 0.5% chitosan in 1% acetic acid diluent (SC), 1% chitosan in 1% acetic acid diluent (SD), and 1.5% chitosan in 1% acetic acid diluent (SE). The variables observed were ruminal fermentation parameters, methane production and in sacco nutrient degradability. Results revealed that adding 1-1.5% chitosan (SD and SE treatments) reduced (P < 0.05) total protozoa, total gas production, methane production, the percentage of acetic acid, and the ratio of acetic acid to propionic acid, while it increased (P < 0.05) the proportion of propionic acid. The addition of chitosan (SE treatment) decreased (P < 0.05) the degradation of dry matter, but it increased (P < 0.05) the degradability of organic matter and crude protein, as determined by in sacco analysis.

Keywords: chitosan; in vitro; in sacco; rumen modifier; silage (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjs:v:69:y:2024:i:5:id:173-2023-cjas

DOI: 10.17221/173/2023-CJAS

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