Projekte in den Förderprogrammen des BMEL, betreut durch den Projektträger BLE (PT BLE)
Ergebnis der Suche
| Titel: | Verständnis der Entwicklung und Kontrolle der Stabilität des Pansenmikrobiom als Grundlage für neue Strategien zur Reduzierung der Methanogenese (RumenStability) |
|---|---|
| Akronym: | RumenStability |
| Beschreibung (dt.): | Task 1: To investigate the effect of duration of milk feeding as well as variation in passage rate on the diversity of the rumen methanogenic population and methane production early and later in life. Task 2: To clarify if interindividual differences in methane production, passage rate and rumen microbiome persists after diet transitions in cows. Task 1: We will compare conventional weaning management of calves (colostrum/milk at 10% of BW until day 56 of age) with a ‘step-down’ weaning management (colostrum/milk at 20% of BW, with a gradual reduction between 29 and 34 days to 10%, which will be fed until day 56). Afterwards, calves were fed on grass silage. Task 2, heifers and cows will be fed grass silage during dry off, maize-grass silage during close up and maize+gras silage+concentrate during lactation in 3 consecutive lactations. For both tasks, individual passage rate and fiber digestibility will be measured on each diet and, for cows, in each lactation. Methane production will be measured in respiration chambers prior to the start of each dietary phase/change. In parallel, rumen samples will be collected to determine pH, VFA, NH3 and mcrA abundance. After slaughter, rumen papillae development will be analysed. Rumen fluid, feaces and blood plasma samples taken in task 1 and 2 will be provided to create a biobank for project partners who will analyze the microbiome and biomarkers for methanogenisis. Workshops will be organized and data and knowledge will be exchanged. |
| Laufzeit: | Beginn: 15.10.2014 / Ende: 31.01.2019 |
| Ausf. Einrichtung: | Forschungsinstitut für Nutztierbiologie (FBN) - Forschungsbereich Ernährungsphysiologie, Dummerstorf |
| Themenfelder: | Wissenstransfer / Vernetzung, knowledge transfer, networking |
| Förderprogramme: | EU-Forschung |
| Schlagworte: | Tierernährung, animal nutrition, Tiergesundheit, animal health, Futtermittel, animal feed, Prävention, Prevention, Futtermittel, animal feed, Rinder, cattle, Mikroorganismen, microorganisms, Nährstoffe, nutrients, Bakteriologie, bacteriology, Klimaschutz, climate protection |
| Stichpunkte: | JPI FACCE (Mitigation Call) |
| Förderkennzeichen: | 2814ERA04A |
| Dokument zum Download: | 2814ERA04A_Abschlussbericht RumenStability.pdf (1,6 MB) |
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