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- Invited Review - |
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— Invited Review — Ruminal ciliates as modulators of the rumen microbiome
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Tansol Park1,* 
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Department of Animal Science and Technology, Chung-Ang University, Anseong 17546, Korea |
Correspondence:
Tansol Park, Tel: +82-31-670-3256, Fax: +82-31-675-3108, Email: tansol@cau.ac.kr
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Received: 18 August 2023 • Revised: 30 October 2023 • Accepted: 22 November 2023 |
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| Abstract |
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Ruminal ciliates are a fundamental constituent within the rumen microbiome of ruminant animals. The complex interactions between ruminal ciliates and other microbial guilds within the rumen ecosystems are of paramount importance for facilitating the digestion and fermentation processes of ingested feed components. This review underscores the significance of ruminal ciliates by exploring their impact on key factors, such as methane production, nitrogen utilization efficiency, feed efficiency, and other animal performance measurements. Various methods are employed in the study of ruminal ciliates including culture techniques and molecular approaches. This review highlights the pressing need for further investigations to discern the distinct roles of various ciliate species, particularly relating to methane mitigation and the enhancement of nitrogen utilization efficiency. The promotion of establishing robust reference databases tailored specifically to ruminal ciliates is encouraged, alongside the utilization of genomics and transcriptomics that can highlight their functional contributions to the rumen microbiome. Collectively, the progressive advancement in knowledge concerning ruminal ciliates and their inherent biological significance will be helpful in the pursuit of optimizing rumen functionality and refining animal production outcomes. |
| Keywords:
Feed Efficiency; Genomics; Methane Mitigation; Nitrogen Utilization Efficiency; Ruminal Ciliates; Transcriptomics |
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