A Study of the Impact of Surgical Correction of Left Abomasal Displacement on Fertility Parameters in Lactating Holstein Cows

Ioannis Nanas, Eleni Dovolou, Katerina Dadouli, Ilias Ramouzis and Georgios S. Amiridis ()
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Ioannis Nanas: Department of Obstetrics & Reproduction, Faculty of Veterinary Science, University of Thessaly, 43100 Karditsa, Greece
Eleni Dovolou: Laboratory of Reproduction, Department of Animal Sciences, University of Thessaly, 41334 Larissa, Greece
Katerina Dadouli: Department of Epidemiology, Faculty of Medicine, University of Thessaly, 41334 Larissa, Greece
Ilias Ramouzis: Independent Researcher, 43100 Karditsa, Greece
Georgios S. Amiridis: Department of Obstetrics & Reproduction, Faculty of Veterinary Science, University of Thessaly, 43100 Karditsa, Greece

Agriculture, 2024, vol. 14, issue 9, 1-11

Abstract: The left displacement of the abomasum (LDA) is a common condition in dairy cows that can significantly impact their welfare, productivity, and fertility. This study was carried out in Greek dairy farms over a period of 3 years. To ensure early detection, the farmers were trained to accurately identify the disease. The reproductive performance and milk production of 306 cows was assessed by considering the time to the first estrus, the calving-to-conception interval, and the number of artificial inseminations required for the establishment of pregnancy. Uterine health status, the timing of disease diagnosis, and the season of the year were also evaluated. In a separate study, the outcomes of 26 cases where cows suffered LDA and underwent surgical treatment with a delay of at least one week from disease onset, were compared to those of cases promptly treated. The results indicate that even early identification and treatment of LDA affects fertility and milk yield; these impacts worsen with the co-existence of uterine infections of affected. However, in late-treated cases, all reproductive and production indices show significant deterioration. Our findings suggest that timely diagnosis of the disease, preferably by the farmer, ensures minimal losses in cows affected by LDA.

Keywords: abomasum displacement; uterine infections; fertility; milk production; cattle (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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