Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Martina Hoedemaker"'
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
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
Autor:
Heinrich Bollwein, M. Weinert, Martina Hoedemaker, M. Heppelmann, A. Brömmling, Marion Piechotta
Publikováno v:
Animal Reproduction Science. 143:1-7
The objective of this study was to investigate the effects of puerperal uterine disease on uterine blood flow using trans-rectal Doppler sonography. Lactating Holstein Friesian cows (n=44) were divided into two groups based on whether they were healt
Publikováno v:
Animal Reproduction Science. 13:1-14
Bovine luteal tissue slices collected at different stages of the estrous cycle were superfused and progesterone secretion was measured over a period of 8 h. The average basal progesterone secretion by 1 g of tissue ranged between 200 and 800 ng/ml me