Different reticuloruminal pH metrics of high-yielding dairy cattle during the transition period in relation to metabolic health, activity, and feed intake

Different reticuloruminal pH metrics of high-yielding dairy cattle during the transition period in relation to metabolic health, activity, and feed intake

The measurement of pH in the reticulorumen in combination with a time–pH threshold has been widely applied in research to diagnose subacute ruminal acidosis. However, other pH metrics also have biological value. In this study, 44 animals were monitored during the transition period using reticulorumi...

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Veröffentlicht in:Journal of dairy science 2022-08, Vol.105 (8), p.6880-6894
Hauptverfasser: Heirbaut, S., Børge Jensen, D., Jing, X.P., Stefańska, B., Lutakome, P., Vandaele, L., Fievez, V.
Format: Artikel
Sprache:eng
Schlagworte:
blood
dairy cattle
dairy science
diurnal pH patterns
early lactation
feed intake
health status
linear models
metabolic health status
reticuloruminal pH bolus
ruminal acidosis
rumination
subacute ruminal acidosis
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Beschreibung
Zusammenfassung:The measurement of pH in the reticulorumen in combination with a time–pH threshold has been widely applied in research to diagnose subacute ruminal acidosis. However, other pH metrics also have biological value. In this study, 44 animals were monitored during the transition period using reticuloruminal pH boluses. Traditional and more complex pH characteristics were calculated to characterize the reticuloruminal pH profile: time pH
ISSN:0022-0302
1525-3198
DOI:10.3168/jds.2021-21751