Breakthrough Research on African Catfish Waste Silage Reduces Greenhouse Gas Emissions

Strategic Insights -

Recent studies published in the Tropical Animal Health and Production journal have made a significant contribution to the understanding of global warming and climate change by evaluating the effects of African catfish waste silage supplemented with probiotics on in vitro rumen fermentation characteristics and greenhouse gas emissions. Researchers from Bayero University Kano, Nigeria, investigated the effects of different levels of African catfish waste silage and probiotics on rumen fermentation and methane emissions in two ruminal inocula derived from White Fulani bulls and Red Sokoto bucks.

Key Takeaways:

  • The study found that the inclusion of African catfish waste silage and probiotics significantly reduced greenhouse gas emissions while improving rumen fermentation characteristics.
  • The research focused on four White Fulani bulls and four Red Sokoto bucks, serving as rumen inoculum donors, to evaluate the effects of dietary inclusion of African catfish waste silage and probiotics.
  • The study used four different levels of African catfish waste silage inclusion (0%, 8%, 14%, and 20%) with or without probiotics (0.2 mL/g of diet) and measured total gas emissions, pH levels, and fermentation characteristics.
  • The inclusion of probiotics Lactiplantibacillus plantarum and Bacillus coagulans with African catfish waste silage improved rumen fermentation characteristics and reduced methane emissions.
  • The researchers concluded that using African catfish waste silage and probiotics in ruminant diets can be a viable solution to mitigate greenhouse gas emissions while improving animal performance.

Statistics:

  • The study evaluated the effects of different levels of African catfish waste silage and probiotics on rumen fermentation characteristics and greenhouse gas emissions.
  • The researchers used four ruminal inocula derived from White Fulani bulls and Red Sokoto bucks, serving as rumen inoculum donors.
  • The study found that the inclusion of probiotics significantly reduced greenhouse gas emissions by 20% compared to the control group.
  • The study measured total gas emissions, pH levels, and fermentation characteristics at eight different time points (2, 4, 6, 24, 26, 28, 30, and 48 h) of fermentation.

Sources:

  • Tropical Animal Health and Production, 2025;57(8):411. (https://www.springer.com/de/lecture/animal-science/tropical-animal-health-and-production)
  • Effects of dietary inclusion of African catfish waste silage and probiotics on in vitro rumen fermentation and methane emissions.
  • NewsRx LLC. Findings from Bayero University Kano Broadens Understanding of Global Warming and Climate Change (Effects of dietary inclusion of African catfish waste silage and probiotics on in vitro rumen fermentation and methane emissions). Global Warming Focus. October 13, 2025; p 627.