Organic carbon amendments in livestock feeds reduce rumen methane emissions and improve manure quality and soil carbon stability

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26296080%3A_____%2F25%3AN0000074" target="_blank" >RIV/26296080:_____/25:N0000074 - isvavai.cz</a>

Výsledek na webu

<a href="https://ans2025.ucm.sk/" target="_blank" >https://ans2025.ucm.sk/</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Organic carbon amendments in livestock feeds reduce rumen methane emissions and improve manure quality and soil carbon stability

Popis výsledku v původním jazyce

The cattle feed amended with stabilized organic carbon materials provides health and nutritional benefits to livestock. It enhances nutrient utilization by reduced carbon (and nitrogen) volatilization from rumen. While rumen methane emissions decreased, nutrient retention in dung increased. This may form manure with enhanced fertilization value and soil conditioning potential. A stable experiment was done, involving cows (groups of eight animals) fed for 30 day with either biochar, humic leonardite derivate (commercial product Humac), or with both amendments. Animal daily methane production was reduced by feeding mix biochar + Humac compared to the control group without feed supplement. The manures from various feed treatments did not differ significantly in total carbon content; all amendments’ diets increased manure pH compared to the control. Both biochar or Humac supplementation increased manure potassium content. The impact of manure on soil was evaluated in 12-week pot experiment with maize (Zea mays). The manure from Humac-fed group increased D-glucose- and other substrate-induced respirations in amended soil. The manure from biochar-fed group reduced respiration potential, indicating a tendency to stabilize soil organic carbon. The tested feed supplementations reduced greenhouse gas emissions in cattle production, increased manure quality and long-term soil organic carbon stabilization.

Název v anglickém jazyce

Organic carbon amendments in livestock feeds reduce rumen methane emissions and improve manure quality and soil carbon stability

Popis výsledku anglicky

The cattle feed amended with stabilized organic carbon materials provides health and nutritional benefits to livestock. It enhances nutrient utilization by reduced carbon (and nitrogen) volatilization from rumen. While rumen methane emissions decreased, nutrient retention in dung increased. This may form manure with enhanced fertilization value and soil conditioning potential. A stable experiment was done, involving cows (groups of eight animals) fed for 30 day with either biochar, humic leonardite derivate (commercial product Humac), or with both amendments. Animal daily methane production was reduced by feeding mix biochar + Humac compared to the control group without feed supplement. The manures from various feed treatments did not differ significantly in total carbon content; all amendments’ diets increased manure pH compared to the control. Both biochar or Humac supplementation increased manure potassium content. The impact of manure on soil was evaluated in 12-week pot experiment with maize (Zea mays). The manure from Humac-fed group increased D-glucose- and other substrate-induced respirations in amended soil. The manure from biochar-fed group reduced respiration potential, indicating a tendency to stabilize soil organic carbon. The tested feed supplementations reduced greenhouse gas emissions in cattle production, increased manure quality and long-term soil organic carbon stabilization.

Druh

O - Ostatní výsledky

CEP obor

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OECD FORD obor

40101 - Agriculture

Projekt

<a href="/cs/project/SQ01010201" target="_blank" >SQ01010201: Valorizace uhlíkatých materiálů pro snížení emisí skleníkových plynů v živočišné výrobě a pro podporu primární produkce a sekvestrace uhlíku v půdě</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů