Título
Potential environmental benefits of residual feed intake as strategy to mitigate methane emissions in sheep
Autor
ALBERTO MURO REYES
Nivel de Acceso
Acceso Abierto
Materias
Resumen o descripción
Residual feed intake was evaluated as alternative strategy to decrease methane emissions from sheep. About 24 ewes (30±2 kg of BW) and 16 rams (32±2 kg of BW) were individually fed (42 days). Residual Feed Intake (RFI) was calculated for each individual by sex as the difference between actual and expected feed intake adjusted for metabolic body weight and gain weight rate. Animals were categorized (by sex and overall) as low (more efficient), medium and high RFI (less efficient). Methane emissions were estimated using gross energy intake (EF-CH4) and dry matter intake (EM-CTL,)-No effects (p> 0.05) were observed on initial or final body weight neither on average daily gain. Methane production (kg day-1) from low RFI ewes were lower (p< 0.01) beingO. 021 and 0.025 than for high RFI averaging 0.027 and 0.032, respectively for EF-CTPandEM-CFL Positive relationships were found in rams between …
Residual feed intake was evaluated as alternative strategy to decrease methane emissions from sheep. About 24 ewes (30±2 kg of BW) and 16 rams (32±2 kg of BW) were individually fed (42 days). Residual Feed Intake (RFI) was calculated for each individual by sex as the difference between actual and expected feed intake adjusted for metabolic body weight and gain weight rate. Animals were categorized (by sex and overall) as low (more efficient), medium and high RFI (less efficient). Methane emissions were estimated using gross energy intake (EF-CH4) and dry matter intake (EM-CTL,)-No effects (p> 0.05) were observed on initial or final body weight neither on average daily gain. Methane production (kg day-1) from low RFI ewes were lower (p< 0.01) beingO. 021 and 0.025 than for high RFI averaging 0.027 and 0.032, respectively for EF-CTPandEM-CFL Positive relationships were found in rams between …
Producción Científica de la Universidad Autónoma de Zacatecas UAZ
Fecha de publicación
2011
Tipo de publicación
Artículo
Recurso de información
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application/pdf
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Inglés
Audiencia
Público en general
Repositorio Orígen
Repositorio Institucional Caxcán
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