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- 25-Hydroxycholecalciferol (1)
- 25-hydroxycholecalciferol (1)
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Institute
- Fakultät AuL (116)
Braune Brühe, was tun?
(2022)
Kotwasser beim Pferd
(2022)
Zu viel Wasser in der TMR?
(2021)
Flüssigfutter bei Milchkühen
(2021)
Ist die TMR zu feucht?
(2021)
Fütterung auf dem Prüfstand
(2023)
Die Fütterung von Zuchtstuten ist ein wichtiger Faktor, der für die Geburt eines gesunden und voll entwickelten Fohlens und für die Fruchtbarkeit der Stute verantwortlich ist. Die Versorgung der Stuten ist aufgrund der Schwankungen in der Futteraufnahme rund um die Geburt durch den Einsatz von hochwertigen Futtermitteln zu sichern.
Fütterung von Zuchtstuten
(2021)
Der Versuch überprüfte den Einfluss der Fütterung von Shredlage-Maissilage auf die Futterqualität, Mastleistung, Gesundheit und den Schlachtkörperwert von Fleckviehbullen. Die Ergebnisse zeigten, dass die Fütterung von Shredlage keinen negativen Einfluss auf die obigen Parameter ausübte. Im Gegenteil, der Einsatz von Shredlage zeigt Potential einen Beitrag zu einer wiederkäuergerechten Fütterung zu leisten und Produktionsmerkmale zu verbessern.
Weide für Trockensteher?
(2023)
Shredlage in der Bullenmast
(2021)
Wasser dosiert zusetzen
(2021)
Wasser
(2021)
Weniger ist nicht immer mehr
(2022)
A project was initiated to apply dietary CP reduction under commercial conditions. The main objective was to demonstrate and validate that dietary CP can be reduced without compromising broiler performance in a production system which is already rather efficient. In addition, we wanted to demonstrate the potential of dietary CP reduction on reducing N-excretions especially in the context of German revised regulations and monitoring attempts. Finally, as previous research suggested, few further aspects such as impact of dietary CP reduction on litter quality and quantity, footpad health, change of ingredient inclusion levels and related impact on sustainability impact factors were evaluated.
The present study aims to compare the effects of maternal and offspring treatment with 25-hydroxycholecalciferol (25-OHD3) and vitamin D3 on vitamin D status, mineral homoeostasis, bone metabolism and locomotion in the offspring. Either vitamin D3 (50 μg/kg diet) or 25-OHD3 (50 μg/kg diet) was supplemented to the gestation and lactation diets of 49 multiparous sows and/or to the diets of their growing offspring. Treatment of the sows did not affect plasma concentrations of 25-OHD3 of the offspring. Pigs fed 25-OHD3 had higher plasma concentrations of 25-OHD3 than pigs that received vitamin D3 during rearing and fattening. However, neither plasma concentrations of calcium, phosphate and bone markers during the observation period nor bone ash and bone mineral density at slaughter were clearly affected by the treatment. Maternal and offspring treatment with 25-OHD3 instead of vitamin D3 resulted in a slight reduction in the prevalence of leg swelling. In addition, more pigs walked with even steps and normal stride length. Further studies are needed to test whether the slight effects observed in the present experiment are reproducible and of relevance for animal health and welfare. In that case, the underlying mechanisms should be revealed in order to take advantage of potentially beneficial influences especially under certain feeding regimes.