Publications by authors named "A Wehrend"

Background: Farm-specific management practices greatly impact calf mortality rates. This cross-sectional study aimed to analyse the association between calf mortality and management practices in large dairy farms. A total of 93 dairy farms were voluntarily included in the study.

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Objective: Uroperitoneum is a typical disease in newborn foals. It occurs rarely but regularly. The aim of the present study is to present clinical signs, laboratory findings and prognosis of foals with uroperitoneum.

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Article Synopsis
  • Determining progesterone levels in mares' serum is crucial for identifying issues related to their estrus cycle or luteal insufficiency, but current methods lack quick, accurate results within two hours.
  • This study assesses the effectiveness of the mini VIDAS device, a commercial enzyme-linked fluorescent assay, against the traditional radioimmunoassay (RIA) for progesterone measurement in mares.
  • Results indicate a strong correlation between mini VIDAS and RIA measurements; however, the mini VIDAS may have limitations in precision at lower progesterone levels, which could affect diagnostic accuracy.
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  • Postpartum uterine diseases like endometritis are common in dairy cows, causing fertility issues and economic losses, prompting the need for better diagnostic methods.
  • The study was conducted on 121 Holstein-Friesian cows in northern Kazakhstan, employing various laboratory tests to assess uterine health and diagnose endometritis.
  • Results indicated that the 10% hydrogen peroxide test was the most effective, identifying 80.9% of sick animals, especially during early postpartum days.
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As part of a literature review, a systematic search was carried out to determine how the focus of research on dystocia in cattle has changed in the German- and English-spoken literature between the 1960s and 2020 as well as to evaluate the the quality of the scientific literature to date. To this end, 621 references were analyzed. It is evident that the number of publications increased between 2010 and 2020, which emphasizes the importance of the subject.

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