All dairy cows visit a state of negative energy balance (NEB) as they transition from late
gestation to early lactation. This imbalance in energy is the result of both an increase in …

Correct classification of the true status of herds is an important component of epidemiologic
studies and animal disease-control programs. We review theoretical aspects of herd-level …

Are you studying a course in veterinary epidemiology? Do you need a book that explains
epidemiology in an understandable way? Would you rather avoid statistics? Dirk Pfeiffer is …

When designing a herd-level prevalence study that will use an imperfect diagnostic test, it is
necessary to consider the test sensitivity and specificity. A new approach was developed to …

▪ Abstract Diverse subdisciplines within entomology recognize the detection of rare
individuals as the precursor to effective management of these individuals. Unfortunately …

Output-based surveillance standards provide a mechanism to achieve harmonised and
comparable surveillance (which meets a defined objective) while allowing flexible …

In the Netherlands a survey was conducted to estimate the prevalence of paratuberculosis in
dairy herds. In total 15822 cows of at least 3 years of age, belonging to 378 herds were …

Brucellosis, leptospirosis and Q fever are important infections of livestock causing a range of
clinical conditions including abortions and reduced fertility. In addition, they are all important …

In 2007 a survey on herd-level seroprevalence of Toxoplasma gondii and Neospora
caninum infections in goats in Poland was carried out. Sera were collected from all 49 …

Neosporosis is an infectious disease caused by Neospora caninum, an obligate intracellular
cyst-forming protozoan considered a major cause of miscarriage in dairy cattle in many parts …