Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Martina Hoedemaker"'
Publikováno v:
Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere. 49:375-382
Zusammenfassung Gegenstand und Ziel Das Ziel der Studie war, in Milchkuhbetrieben mit erhöhten Kälberverlusten in Niedersachsen das bestandsspezifische Management der Kolostrumversorgung zu erfassen und Probleme aufzudecken. Es erfolgte eine zielge
Autor:
K. Herzog, Natascha Gundling, H. Marien, Martina Hoedemaker, G. Hennigsen, R. Feldmann, Lower Saxony State Office for Consumer Protection, Wolfgang Hasseler
Publikováno v:
The Animal Biology. 21:42-45
Publikováno v:
Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere. 46:13-21
Objective Determination of the frequency of subclinical hypocalcaemia, increased lipomobilisation and subclinical ketosis as problems in dairy herds and identification of possible risk factors. Material and methods Information was obtained from 51 da
Autor:
M. Heppelmann, Heiner Bollwein, Marion Schmicke, Martina Hoedemaker, S. Merbach, Olga Wellnitz, W Bäumer, C. Pfarrer, J. Volland, M Kietzmann, H-A Schoon
Publikováno v:
Animal Reproduction Science. 188:144-154
The aim of this study was to investigate the effects of PGF2α and oxytocin in vitro on myometrial contractility in puerperal uteri. Thirteen puerperal uteri were removed and perfused after euthanasia of cows with (n=7) and without metritis (n=6). Me
Autor:
H.-A. Schoon, H. Marien, M. Feldmann, Martina Hoedemaker, G. Henningsen, W. Hasseler, K. Herzog
Publikováno v:
Theriogenology. 102:44-47
The objective was to validate the iVET ® birth monitoring system and to determine if it reduced fetal death in primiparous dairy heifers over a 1-y interval. There were 359 pregnant heifers enrolled; 167 heifers in the iVET ® group were monitored e
Publikováno v:
Animal Reproduction Science. 184:211-217
The aim of this study was to compare the automatic estrous detection system (AED) Heatime ® with visual estrous detection (VED). The study was conducted on 139 Holstein Friesian cows in one dairy herd in Northern Germany. The cows were fitted with a
Publikováno v:
Livestock Science. 245:104449
The aim of the present study was to determine the frequency of estrus signs in housed dairy cows and to compare their reliability in relation to visual estrus detection, including all signs of estrus, which can be observed like cows’ behavior (espe
Autor:
Martina Hoedemaker, Doris Klocke, J.-H. Paduch, Volker Krömker, E. M. Mansion-de Vries, M. tho Seeth, Nicole Wente
Publikováno v:
Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere. 45:343-349
SummaryObjective: The aim of the study was to investigate the use of somatic cell count (SCC) and aerobic bacterial counts as possible tools to choose animals for selective dry cow treatment (DCT) on cow level. Blanket antibiotic DCT is an approved a
Publikováno v:
Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere. 44:207-217
ZusammenfassungGegenstand und Ziel: Untersuchung des Effekts von Lahmheiten auf die Fruchtbarkeit von Milchkühen. Material und Methoden: In sieben Betrieben mit Boxenlaufstallhaltung fand in 4-wöchigen Intervallen eine Beurteilung aller Milchkühe
Publikováno v:
Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere. 44:5-11
Summary Objective: The aim of this study was to investigate the impact of specific hoof lesions on the locomotion score (LS) as well as the effect of early detection and treatment on duration and prevalence of lesion-specific lameness. Material and m