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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
28/08/2024 |
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Data da última atualização: |
28/08/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
HOMEM, B. G. C.; BORGES, L. P. C.; LIMA, I. G. G. de; GUIMARÃES, B. C.; SPASIANI, P. P.; FERREIRA, I. M.; MEO FILHO, P.; BERNDT, A.; ALVES, B. J. R.; URQUIAGA, S.; BODDEY, R. M.; CASAGRANDE, D. R. |
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Afiliação: |
B.G.C. HOMEM, UNIVERSIDADE FEDERAL DE LAVRAS; L. P. C. BORGES, UNIVERSIDADE FEDERAL DE LAVRAS; I.B.G. DE LIMA, UNIVERSIDADE FEDERAL DE LAVRAS; B.C. GUIMARÃES, UNIVERSIDADE FEDERAL DE LAVRAS; P. P. SPASIANI, UNIVERSIDADE FEDERAL DE LAVRAS; I.M. FERREIRA, UNIVERSIDADE FEDERAL DE LAVRAS; P. MEO FILHO, UNIVERSIDADE DE SÃO PAULO; A. BERNDT, ROTHAMSTED RESEARCH, UK; BRUNO JOSE RODRIGUES ALVES, CNPAB; SEGUNDO SACRAMENTO U CABALLERO, CNPAB; ROBERT MICHAEL BODDEY, CNPAB; D.R. CASAGRANDE, UNIVERSIDADE FEDERAL DE LAVRAS. |
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Título: |
Forage peanut legume as a strategy for improving beef production without increasing livestock greenhouse gas emissions. |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
Animal The international journal of animal biosciences. v 18, 101158, 2024. |
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Idioma: |
Inglês |
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Conteúdo: |
The transformation of pastures from a degraded state to sustainable productivity is a major challenge in tropical livestock production. Stoloniferous forage legumes such as Arachis pintoi (forage peanut) are one of the most promising alternatives for intensifying pasture-based beef livestock operations with reduced greenhouse gas (GHG) emissions. This 2-year study assessed beef cattle performance, nutrient intake and digestibility, and balance of GHG emissions in three pasture types (PT): (1) mixed Palisade grass Urochloa brizantha (Hochst. ex A. Rich.) R.D. Webster (syn. Brachiaria brizantha Stapf cv. Marandu) and forage peanut (A. pintoi Krapov. & W.C. Greg. cv. BRS Mandobi) pastures (Mixed), (2) monoculture Palisade grass pastures with 150 kg of N/ha per year (Fertilised), and (3) monoculture Palisade grass without N fertiliser (Control). Continuous stocking with a variable stocking rate was used in a randomised complete block design, with four replicates per treatment. The average daily gain and carcass gain were not influenced by the PT (P = 0.439 and P = 0.100, respectively) and were, on average, 0.433 kg/animal per day and 83.4 kg/animal, respectively. Fertilised and Mixed pastures increased by 102 a nd 31.5%, respectively, the liveweight gain per area (kg/ha/yr) compared to the Control pasture (P < 0.001). The heifers in the Mixed pasture had lower CH4 emissions (g/animal per day; P = 0.009), achieving a reduction of 12.6 and 10.1% when compared to the Fertilised and Control pastures, respectively. Annual (N2O) emissions (g/animal) and per kg carcass weight gain were 59.8 and 63.1% lower, respectively, in the Mixed pasture compared to the Fertilised pasture (P < 0.001). Mixed pasture mitigated approximately 23% of kg CO2eq/ kg of carcass when substituting 150 kg of N/ha per year via fertiliser. Mixed pastures with forage peanut are a promising solution to recover degraded tropical pastures by providing increased animal production with lower GHG emissions. MenosThe transformation of pastures from a degraded state to sustainable productivity is a major challenge in tropical livestock production. Stoloniferous forage legumes such as Arachis pintoi (forage peanut) are one of the most promising alternatives for intensifying pasture-based beef livestock operations with reduced greenhouse gas (GHG) emissions. This 2-year study assessed beef cattle performance, nutrient intake and digestibility, and balance of GHG emissions in three pasture types (PT): (1) mixed Palisade grass Urochloa brizantha (Hochst. ex A. Rich.) R.D. Webster (syn. Brachiaria brizantha Stapf cv. Marandu) and forage peanut (A. pintoi Krapov. & W.C. Greg. cv. BRS Mandobi) pastures (Mixed), (2) monoculture Palisade grass pastures with 150 kg of N/ha per year (Fertilised), and (3) monoculture Palisade grass without N fertiliser (Control). Continuous stocking with a variable stocking rate was used in a randomised complete block design, with four replicates per treatment. The average daily gain and carcass gain were not influenced by the PT (P = 0.439 and P = 0.100, respectively) and were, on average, 0.433 kg/animal per day and 83.4 kg/animal, respectively. Fertilised and Mixed pastures increased by 102 a nd 31.5%, respectively, the liveweight gain per area (kg/ha/yr) compared to the Control pasture (P < 0.001). The heifers in the Mixed pasture had lower CH4 emissions (g/animal per day; P = 0.009), achieving a reduction of 12.6 and 10.1% when compared to the Fertilised and... Mostrar Tudo |
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Palavras-Chave: |
Estirpe bacteriana. |
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Thesaurus Nal: |
Arachis pintoi; Forage legumes; Methane. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
null
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Registro original: |
Embrapa Agrobiologia (CNPAB) |
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