2011
DOI: 10.1016/j.anifeedsci.2011.04.091
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In vitro rumen methane output of red clover and perennial ryegrass assayed using the gas production technique (GPT)

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Cited by 47 publications
(43 citation statements)
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“…The nitrate supply was particularly large for HF-EM and HF-MM grass silages (80 and 49 g of nitrate/day, respectively). This nitrate has likely served as a hydrogen sink in the rumen and resulted in reduced CH 4 production (Navarro-Villa et al, 2011). Assuming a stoichiometric CH 4 reduction of 0.258 g with every gram nitrate in the diet (van Zijderveld et al, 2010), nitrate intake alone was likely responsible for a reduction of up to 21 g CH 4 /day (6%) and 13 g CH 4 /day (4%) with the high-nitrate treatments (HF-EM and HF-MM, respectively), whereas CH 4 reduction was minor for the low-nitrate LF grass silages (<6 g CH 4 /day).…”
Section: Discussionmentioning
confidence: 99%
“…The nitrate supply was particularly large for HF-EM and HF-MM grass silages (80 and 49 g of nitrate/day, respectively). This nitrate has likely served as a hydrogen sink in the rumen and resulted in reduced CH 4 production (Navarro-Villa et al, 2011). Assuming a stoichiometric CH 4 reduction of 0.258 g with every gram nitrate in the diet (van Zijderveld et al, 2010), nitrate intake alone was likely responsible for a reduction of up to 21 g CH 4 /day (6%) and 13 g CH 4 /day (4%) with the high-nitrate treatments (HF-EM and HF-MM, respectively), whereas CH 4 reduction was minor for the low-nitrate LF grass silages (<6 g CH 4 /day).…”
Section: Discussionmentioning
confidence: 99%
“…Velasco (2011) Diferentemente dos resultados descritos no presente estudo, a produção de metano (g/kg de MS ou g/kg MS digestível) em alguns trabalhos parece aumentar com o aumento da maturidade da forragem (MCALLISTER et al, 1996;NAVARRO-VILLA et al, 2011;PURCELL et al, 2011 …”
Section: Methodsunclassified
“…A produção de metano pelos ruminantes parece aumentar com o aumento da maturidade da planta forrageira consumida (MCALLISTER et al, 1996;NAVARRO-VILLA et al, 2011;PURCELL et al, 2011), em função da queda nos teores de conteúdo celular (proteína bruta, carboidratos solúveis) e aumento dos teores de parede celular (FDN) encontrados nas forrageiras colhidas em estágio mais avançado. Entretanto este efeito nem sempre é observado (PINARES-PATIÑO et al 2003), pois o aumento da maturidade pode não causar mudanças drásticas na composição da planta a ponto de alterar a produção de AGV's e, assim, de CH 4 .…”
Section: Introductionunclassified
“…However, the GS had a higher (p<0.05) TGPi, and a lower (p<0.001) A:P and NGGR, than the mean of all forbs. Purcell et al (2011b) and Navarro-Villa et al (2011), and was most likely due to the higher DMD of these species in spring than in summer.…”
Section: In Vitro Rumen Fermentation Variablesmentioning
confidence: 96%