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2309 results.
Observational field study with sheep on pastures with common ragwort (Senecio jacobaea L.) from an animal health and nature conservation perspective
Feldstudie zur Schafbeweidung von Grünland mit Jakobs-Greiskraut (Senecio jacobaea) aus tiergesundheitlicher und naturschutzfachlicher Sicht
Project Investigators: PD Dr. S. Aboling ; TÄ S. Ohlsen
Duration: March 2020 until March 2022
Funding: Stiftung Naturschutz Schleswig-Holstein (StN); Ministerium für Energiewende, Landwirtschaft, Umwelt, Natur und Digitalisierung des Landes Schleswig-Holstein (MELUND); Behörde für Umwelt und Energie der Freien und Hansestadt Hamburg (BUE), 109.436 EUR
Project Details:
Das Ziel des Projektes besteht darin, unter artgemäßen Bedingungen auf einer Weide festzustellen, welchen Einfluss die Schafbeweidung einer Dauergrünlandfläche mit einem hohen Anteil an Jakobs-Greiskraut auf die Vegetationszusammensetzung hat, inwieweit Greiskraut von den Schafen aufgenommen wird und inwieweit diese Aufnahme einen Einfluss auf die Tiergesundheit hat.
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Validity and utility of conditioned pain modulation in dogs.
Untersuchungen zur Praktikabilität und Verlässlichkeit einer Testmethode zur Überprüfung der Funktionalität der absteigenden inhibitorischen Schmerzbahnen (DNIC: diffuse noxious inhibitory control) beim Hund.
Project Investigators: Schütter; Kästner
Duration: Beginning 2020 until End 2022
Project Details:
Vom zentralen Nervensystem absteigende inhibitorische Schmerzbahnen sind ein Teil des körpereigenen Systems zur Schmerzmodulation. Wird dieses System stimuliert, werden nachfolgende, schmerzhafte Reize als weniger schmerzhaft wahrgenommen, im englischen Sprachgebrauch wird das als "Diffuse noxious inhibitory control (DNIC)" bezeichnet. In der humanmedizinischen Forschung wird zur Evaluation der DNIC ein standardisierter, konditionierender Stimulus (CPM= conditioned pain modulation) eingesetzt, bevor der eigentliche Teststimulus erfolgt. Ist die DNIC intakt, wird der Teststimulus nach CPM als weniger schmerzhaft als vor/ ohne CPM wahrgenommen.
Für Labornager und in der Humanmedizin konnte gezeigt werden, dass die DNIC bei Individuen mit chronischen Schmerzen weniger stark ausgeprägt eiterhin ist für die Humanmedizin beschrieben, dass Patienten, die vor einer Operation niedrigere Werte im DNIC-Test aufweisen ein erhöhtes Risiko besitzen postoperativ an chronischen Schmerzen zu leiden
Für den Hund ist eine Technik zur Evaluierung der DNIC beschrieben. Eine systematische Evaluierung dieser Testmethodik, bezüglich Zuverlässigkeit und Reproduzierbarkeit beim Hund wurde bisher allerdings nicht durchgeführt.
Die Überprüfung der DNIC kann zu einer besseren Typisierung des vorliegenden Schmerzphenotypes und damit zu einer besseren Anpassung einer effektiven Schmerztherapie beitragen.

Im Rahmen dieses Forschungsprojektes soll eine standardisierte Methode zur Untersuchung der absteigenden inhibitorischen Schmerzbahnen beim Hund erarbeitet und kritisch evaluiert werden.
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Animal welfare in pigs - how do farmers evaluate recent requirements in specific blogs and internet platforms
Tierwohl und Tierschutz beim Schwein - wie bewerten Landwirte in fachspezifischen Foren und Blogs die aktuelle Anforderungen
Project Investigators: Elisabeth große Beilage; Amely Campe
Duration: June 2020 until December 2022
Project Details:
Holding and managing pigs currently faces diverse adjustments regarding animal welfare, castration, tail docking and housing in crate stands. Farmers discuss this in different blogs and expert forms in the internet. In this study expert opinion in the internet are assessed to evaluate the experts’ knowledge regarding the themes named aboved. Citations shall be compared with current evidence base scientific knowledge. Differences shall be described and discussed in order to developed tight-fit training and education.
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Inactivation of zoonotic bacteria in milk at different subpasteurization (thermization) conditions
Inaktivierung mikrobieller Zoonoseerreger in thermisierter Milch
Project Investigators: Dr. André Becker; Dr. Sylvia Mitrenga; Johanna Vahle; Prof. Dr. Madeleine Plötz
Duration: May 2020 until Mid 2022
Project Details:
Different field strains of important, food-associated microorganisms (Listeria monocytogenes, Escherichia coli, Salmonella enterica ssp., Bacillus cereus, Campylobacter jejuni) are chosen. Subsequently, milk of different species (cattle and small ruminants) is inoculated with these germs and heat-treated under subpasteurization (thermization) conditions, which means low temperature treatments for short times. Aim of the study is to investigate the heat damage which is caused to the different microorganisms directly after heat treatment and after a storage period of three days. Additionally, possible matrix effects and strain variances are determined.
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Investigations of the effect of a combination of LAE and starter culture bacteria to reduce pathogenic microorganisms on fresh meat of different species.
Untersuchungen der Eignung einer Kombination von LAE und Starterkultur-Bakterien zur Reduktion von pathogenen Keimen von frischem Fleisch verschiedener Tierarten.
Project Investigators: Dr. Diana Seinige; PD Dr. Carsten Krischek; Prof. Dr. Madeleine Plötz
Duration: January 2020 until June 2022
Funding: Drittmittelprojekt, gefördert durch die Fritz-Ahrberg-Stiftung., 95.000 EUR
Project Details:
The preservation of food with chemical or physical methods should reduce the microbial contamination of food and should extend the shelf life of the products in order to minimise the health risk for the consumer. In a previous project at the Institute of Food Quality and Food Safety, the bacteria-reducing effects of Ethyl-Nα-lauryl-L-arginate hydrochloride (LAE) have already been successfully investigated. However, few studies are available that have examined the influence of LAE in combination with a biological preservation method (starter bacteria cultures) on the microbiological contamination with pathogenic and spoilage bacteria as well as on the chemical and sensory quality characteristics of the treated products. These investigations are useful to improve an individual effect by a combined treatment and to check whether these processes change qualitative properties of the food. For this reason, in the present study fresh meat from pigs, cattle and chickens, after inoculation with defined microorganisms, will be individually treated with LAE and starter culture mixtures either alone, or in combination, in order to show the effects of a combined treatment in comparison to the untreated control sample and to the individual treatment. Not only the short-term effects directly after treatment, but also the long-term effects during storage of the products until the usual best-before or use-by date will be investigated.
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Dry preservation of decellularized heart valves for cardiac regenerative medicine
Trockenkonservierung dezellularisierter Herzklappen für die kardiale Regenerationsmedizin
Project Investigators: Prof. Dr. Ir. Willem F. Wolkers
Duration: February 2020 until January 2022
Funding: Hirsch foundation, 50.000 EUR
Project Details:
Decellularized heart valve tissues can be used to replace a malfunctioning heart valve. This option is particularly suitable for young patients, because decellularized tissues have regeneration potential. We have pioneered in developing methods for dry preservation of mammalian cells and tissues and demonstrated that this can be done using disaccharides such as sucrose or trehalose which can be found at high concentrations in anhydrobiotic organisms that naturally survive drying. Drying of decellularized heart valves may alter the properties of the extracellular matrix and impair their in vivo efficacy. The central aim of this project is to test if sucrose can be used for dry preservation of heart valves so that they can be safely used for transplantation. We already established methods to freeze-dry heart valves, but their storage stability needs to be demonstrated. In this project we plan to evaluate if vacuum-drying, which lacks a damaging freezing step, can be used as an alternative drying method. The second objective is to study the effects of (freeze-)drying on scaffold structure, and matrix biomolecules directly after drying as well during storage under normal (4°C or room temperate) and accelerated aging (37°C/high relative humidity) storage conditions. The general tissue architecture will be studied on hematoxylin-eosin stained tissue sections, whereas Fourier transform infrared spectroscopy (FTIR) will be used to obtain spectral fingerprints of tissues during storage. For the latter principal component analysis of the spectra will be used to evaluate tissue modifications during storage. Furthermore, accumulation of oxidative damage will be determined. We postulate that overall tissue structural appearance, and therewith functionality, are compromised by ice crystals, and that this can be minimized by reducing the tissue water content prior to freezing, or to avoid ice formation by using vacuum drying.
Show Details
Efficacy of Ondansetron for the therapy of nausea in canine vestibular disease
Feststellen der klinischen Effizienz von Ondansetron bei der Behandlung von Nausea bei privat gehaltenen Hunden mit Vestibularsyndrom
Project Investigators: Holger Volk; Sarah Foth; Sebastian Meller
Duration: April 2020 until April 2022
Funding: Gesellschaft für kynologische Forschung, 25.596 EUR
Project Details:
Ziel der Studie ist es, über den Therapienotstand in der Behandlung von Übelkeit als Symptom des Vestibularsyndroms des Hundes hinwegzuhelfen. Während es gute medikamentöse Behandlungsstrategien gegen Erbrechen gibt, wird die damit zusammenhängende Übelkeit häufig übersehen und bleibt unbehandelt. In unserer Studie testen wir daher ein neues Medikament gegen Übelkeit und etablieren einen Biomarker, um sie besser erkennen und objektiv evaluieren zu können.
Results:

The results provide preliminary evidence of the potential benefit of ondansetron in the treatment of nausea, which was present in all examined dogs. Vomiting was only observed in some dogs indicating that nausea can occur separately and should not be perceived only as a preceding stimulation of the vomiting centre.

https://bmcvetres.biomedcentral.com/articles/10.1186/s12917-021-02931-9

Show Details
Exploring the potential of cold plasma as a nitrite source for cured meat products
Ersatz von Nitritpökelsalz (NPS) in der Brühwurstproduktion durch Behandlungen mit kaltem Plasma
Project Investigators: Dr. André Becker; Dr. Sylvia Mitrenga; Dr. Karolina Lis; Prof. Dr. Madeleine Plötz
Duration: May 2020 until December 2022
Funding: Drittmittelprojekt, gefördert durch die Fritz-Ahrberg-Stiftung., 70.000 EUR
Project Details:
The present study is exploring the potential of the cold-plasma-technology for the production of meat products without the addition of nitrite curing salt. PPA (= plama processed air) and PAW (= plasma activated water) are used do generate reactive nitrogen species in meat batter which might induce a reddening effect during the production of cooked sausages. Products generated with this novel technology are analyzed for microbiological, sensory and physicochemical parameters after production and after a storage period.
Show Details
Psychobots against canine epilepsy
Psychobots gegen Epilepsie (Hund)
Project Investigators: Holger Volk; Teresa Schmidt; Sebastian Seller
Duration: March 2020 until October 2022
Project Details:
Wir untersuchen den Einfluss von Darm-Organismen auf die Symptome und Komorbiditäten der Epilepsie. Es gibt stets mehr Hinweise darauf, dass die Darm-Hirn-Achse eine wichtige Rolle für die Hirngesundheit spielt. Zur Therapie wird ergänzend einmal tgl. ein Probiotikum gegeben, welches die Lebensqualität verbessern und ggf. Anfälle reduzieren soll, die pharmakologisch nur schlecht kontrollierbar sind.
Show Details
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Roggen in der Geflügelfütterung
Project Investigators: Prof. Dr. C. Visscher; Dr. V. Wilke
Duration: March 2020 until December 2022
Funding: KWS Lochow GmbH, 82.107 EUR
Project Details:
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Show Details
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