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Related Concept Videos

Bioreactor Design and Operational System01:29

Bioreactor Design and Operational System

Bioreactors are engineered vessels designed to cultivate microorganisms under controlled conditions for industrial bioprocessing. They maintain sterility and allow precise regulation of pH, temperature, oxygen, and nutrient levels to optimize microbial growth and metabolite production. Bioreactors range from small laboratory units of 1 liter to industrial systems holding up to 500,000 liters, though only about 75% of their volume is actively used for fermentation. The remaining headspace...
Bioreactor Controls-I01:28

Bioreactor Controls-I

Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly monitored using...

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Development and Validation of a Custom-Built System for Real-Time Monitoring of In Vitro Rumen Gas Fermentation.

Zhen-Shu Liu1,2, Bo-Yuan Chen1,3, Jacky Peng-Wen Chan3

  • 1Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan.

Animals : an Open Access Journal From MDPI
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PubMed
Summary
This summary is machine-generated.

A new low-cost gas monitoring system (FerME) offers a reliable alternative for in vitro rumen fermentation studies. It provides comparable results to existing systems at half the cost, enhancing precision in animal nutrition research.

Keywords:
artificial rumen systemsclimate greenhouse gasgas productionin vitro fermentationmethane

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Area of Science:

  • Agricultural Science
  • Animal Science
  • Biotechnology

Background:

  • High-throughput in vitro fermentation studies are crucial for animal nutrition research.
  • Current systems like Ankom RF are effective but limited by high cost and inflexibility.
  • A need exists for cost-effective and adaptable gas monitoring solutions.

Purpose of the Study:

  • To develop and validate a low-cost, modular gas monitoring system (FerME).
  • To compare FerME's performance and reproducibility against the Ankom RF system.
  • To assess FerME's suitability for in vitro rumen fermentation studies.

Main Methods:

  • Developed FerME using commercially available components for gas monitoring.
  • Conducted in vitro rumen fermentation experiments using dairy cow rumen contents.
  • Compared FerME and Ankom RF systems under identical, controlled conditions, including trials with filter bags.

Main Results:

  • FerME showed no significant differences in gas production, VFAs, NH3-N, or pH compared to Ankom RF.
  • FerME demonstrated improved precision (CV: 4.8% vs. 13.2%) in trials using filter bags.
  • FerME system cost was approximately 50% of the Ankom RF system.

Conclusions:

  • FerME is a reliable, low-cost alternative for real-time rumen fermentation monitoring.
  • The system offers comparable performance and enhanced precision to existing technologies.
  • FerME is suitable for applications in animal nutrition, methane mitigation, and related research.