Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Stefan Borchardt"'
Autor:
Lukas Frieder Bretzinger, Marvin Hölper, Christie Marie Tippenhauer, Jan-Lukas Plenio, Augusto Madureira, Wolfgang Heuwieser, Stefan Borchardt
Publikováno v:
Animals, Vol 14, Iss 21, p 3145 (2024)
The objective of this study was to evaluate four different automated activity monitoring (AAM) systems to identify anovulatory cows in early lactation. A total of 852 lactating Holstein cows (221 primiparous and 631 multiparous cows) from four commer
Externí odkaz:
https://doaj.org/article/760739653a754f639ee15bfaa33f46f7
Autor:
Christie Marie Tippenhauer, Jan-Lukas Plenio, Augusto Madureira, Wolfgang Heuwieser, Stefan Borchardt
Publikováno v:
Animals, Vol 13, Iss 19, p 2994 (2023)
Investigations on the optimum timing of artificial insemination (AI) following automated activity monitoring (AAM) depending on different types of semen in heifers are limited and in part show controversial results. Therefore, the objective of this o
Externí odkaz:
https://doaj.org/article/72d3fed224ba498fb0461c7ae7fdf97a
Autor:
Carola Fischer-Tenhagen, Detlev Bohm, Anke Finnah, Sebastian Arlt, Samira Schlesinger, Stefan Borchardt, Franziska Sutter, Christie M. Tippenhauer, Wolfgang Heuwieser, Peter L. Venjakob
Publikováno v:
Animals, Vol 13, Iss 16, p 2558 (2023)
Dry cow treatment with an intramammary antibiotic is recommended to reduce the risk of mastitis at the beginning of the next lactation. The dry period may be shortened unintentionally, affecting antibiotic residue depletion and the time when residues
Externí odkaz:
https://doaj.org/article/316722b9fe8a44d9a6b75310d5e67810
Autor:
Augusto M. L. Madureira, Tracy A. Burnett, Stefan Borchardt, Wolfgang Heuwieser, Christine F. Baes, Jose L. M. Vasconcelos, Ronaldo L. A. Cerri
Publikováno v:
PLoS ONE, Vol 16, Iss 8 (2021)
The aim of this study was to determine the association between concentrations of progesterone (P4) during previous the estrous cycle with the intensity of spontaneous or estrogen-induced estrous expression and pregnancy per artificial insemination (P
Externí odkaz:
https://doaj.org/article/96d4e8cffc054d62b9a242b7333f7839
Autor:
Stefan Borchardt, Wolfgang Heuwieser
Publikováno v:
Antibiotics, Vol 11, Iss 3, p 368 (2022)
The objective of this study was to compare immediate intramammary antimicrobial treatment of mild and moderate cases of clinical mastitis (CM) with a selective treatment protocol based on on-farm culture results using Accumast®. The study was conduc
Externí odkaz:
https://doaj.org/article/bd72755792e941e5b2c7ca3683613516
Autor:
Jim Weber, Stefan Borchardt, Julia Seidel, Ruben Schreiter, Frederike Wehrle, Karsten Donat, Markus Freick
Publikováno v:
Animals, Vol 11, Iss 12, p 3403 (2021)
The objectives of this paper were (i) to perform a systematic review of the literature over the last 21 yr and (ii) to evaluate the efficacy of selective dry cow treatment (SDCT) vs. blanket dry cow treatment (BDCT) in dairy cows regarding the risk o
Externí odkaz:
https://doaj.org/article/7a3e62be3d8a4a5099b0e971cce71701
Publikováno v:
Animals, Vol 10, Iss 9, p 1551 (2020)
Progesterone (P4) concentration during follicular growth has a major impact on fertility response in timed artificial insemination (TAI) protocols. Luteal presence at the beginning of a TAI protocol and ovarian response after the first gonadotropin-r
Externí odkaz:
https://doaj.org/article/42fa3ea86b1343eb8865c9999436b34b
Publikováno v:
Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere. 50:174-186
ZusammenfassungDie peripartale Hypokalzämie ist eine weit verbreitete Stoffwechselstörung, dessen klinische Form etwa 7 % der Milchkühe und dessen subklinische Form fast jede 2. multipare Kuh betrifft. Obwohl sich hinsichtlich Diagnostik und Thera
Publikováno v:
Tierarztliche Praxis. Ausgabe G, Grosstiere/Nutztiere. 50(3)
Periparturient hypocalcemia is a frequently observed metabolic disorder in fresh cows. While the clinical form affects approximately 7 % of German dairy cows, nearly half of the multiparous cows exhibit subclinical hypocalcemia. Although both diagnos
Autor:
Heuwieser, Stefan Borchardt, Wolfgang
Publikováno v:
Antibiotics; Volume 11; Issue 3; Pages: 368
The objective of this study was to compare immediate intramammary antimicrobial treatment of mild and moderate cases of clinical mastitis (CM) with a selective treatment protocol based on on-farm culture results using Accumast®. The study was conduc