Relationships between postweaning residual feed intake in heifers and forage use, body composition, feeding behavior, physical activity, and heart rate of pregnant beef females

The objectives of this study were to determine if residual feed intake (RFI) classification of beef heifers affected efficiency of forage utilization, body composition, feeding behavior, heart rate, and physical activity of pregnant females. Residual feed intake was measured in growing Bonsmara heif...

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Veröffentlicht in:	Journal of animal science 2013-11, Vol.91 (11), p.5353-5365
Hauptverfasser:	Hafla, A N, Carstens, G E, Forbes, T D A, Tedeschi, L O, Bailey, J C, Walter, J T, Johnson, J R
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal behavior Animals Body Composition - physiology Cattle Cattle - physiology Eating - physiology Feeding Behavior - physiology Feeds Female Foraging behavior Heart Rate Motor Activity - physiology Pregnancy
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