sustainable-livestock
Sustainable livestock refers to animal farming practices designed to minimize environmental impact while maintaining productivity. This field directly intersects with plant science through soil health management, nutrient cycling via manure application, and the breeding and improvement of forage crops and pasture systems. Research in this area is crucial for optimizing plant productivity and sustainability in integrated crop-livestock agriculture.
PubMed · 2026-02-17
Kangaroos and wallabies produce significantly less methane than cattle despite eating similar plant-based diets. Scientists discovered that different marsupial species use distinct microbial strategies to manage digestive byproducts, with some employing alternative pathways that reduce methane production. This finding could explain their environmental advantages and inform strategies to lower livestock emissions.
Analysis of 33 fecal microbiomes from 14 marsupial species recovered 1,394 metagenome-assembled genomes with species-specific bacterial signatures and hydrogen-cycling capacity
Marsupials employ diverse hydrogen management strategies: some harbor elevated methanogenesis genes while others show enrichment of alternative pathways including bacterial hydrogen-uptake hydrogenases and nitrate/nitrite reduction
Hydrogen management capacity varies significantly both between and within marsupial families, indicating individual species-level differences in methanogenic potential rather than uniform patterns across taxonomic groups