Abstract
Clinical Disorders in Holstein Cows: Incidence and Associations among Lactational Risks Factors
Highlights
A retrospective study of possible associations among lactational incidence risks of clinical health disorders in the current lactation in dairy cows from selected Holstein herds in Lower Saxony (Germany) was carried out on the basis of data obtained from herd health and production management programme
Dairy cows suffering from parturient paresis were at 1.4 (1.1 – 1.7) and 1.7 (1.3 – 2.2) significantly (P ≤ 0.05) greater risk of suffering from metritis and clinical mastitis, respectively, in the current lactation
This could probably be due to good production management and herd health service
Summary
A retrospective study of possible associations among lactational incidence risks of clinical health disorders in the current lactation in dairy cows from selected Holstein herds in Lower Saxony (Germany) was carried out on the basis of data obtained from herd health and production management programme. We tested eight clinically identifiable health disorder complexes reaching the following lactational incidence risks: parturient paresis (7.0%), retained placenta (8.9%), displaced abomasum (1.1%), metritis (23.6%), clinical ketosis (1.7%), clinical mastitis (21.6%), ovarian cysts (11.7%) and claw diseases (19.5%). Retained placenta was significantly (P ≤ 0.05) associated with 3.0 (2.6 – 3.5) times higher lactational incidence risk of metritis, which was a significant (P ≤ 0.05) risk factor for ovarian cysts (odds ratio 1.4; 95% confidence interval 1.1 – 1.8). These associations provide further support to the notion that health problems in dairy cows tend to occur as a complex, especially in the postpartum period. Fleischer Clinic for Ruminant Diseases University of Veterinary and Pharmaceutical Sciences Palackého 1-3, 612 42 Brno, Czech Republic
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