Epidemiology, Clinical Signs, and Risk Factors Associated with Theileriosis in Australian Cattle (2006-2022).

For over a decade, bovine anaemia caused by Ikeda has been a significant disease in the Australian cattle industry. In this study, we conducted a spatial and temporal analysis of theileriosis in Australia using historic data from submissions to the New South Wales Department of Primary Industries (NSW DPI) from 2006 to 2022, where herd history, clinical signs, and PCR results were available. Since the first detections of bovine theileriosis in the Sydney area in 2006, the disease spread north- and southward and is now endemic to the southeast coast of Australia, closely mirroring the distribution of the principal vector Across all years, the prevalence of the Ikeda genotype was 88%, while the prevalence of the benign Chitose and Buffeli genotypes was 55% and 38%, respectively.

Not gone but forgotten: in extensively-managed bulls from Australia's Northern Territory.

Bovine trichomonosis, caused by infection with the protozoan parasite , is globally recognised as a cause of reproductive failure in cattle. Maintained in clinically normal bulls, infection results in infertility and abortion in infected cows. In Australia's Northern Territory (NT), logistical limitations associated with extensive livestock production inhibit wide-scale testing and diagnosis, allowing the parasite to persist undetected.

Ovine Abortion: Associations between Maternal Infection and Perinatal Mortality.

is a common gastrointestinal inhabitant of livestock but infections can manifest in a broad array of clinical presentations and in a range of host species. While is a known cause of ovine abortion, clinical cases have only recently been described in detail. Here, the prevalence and sequence types (STs) of in ewes from a property experiencing high levels of perinatal mortality (PNM) in New South Wales (NSW), Australia, were investigated using serological and molecular methods.

-Associated Sporadic Ovine Abortion.

Despite previous detection of in sporadic ovine abortions, published descriptions of naturally occurring infections with fetoplacental lesions are lacking. This report provides the first descriptions of severe necrosuppurative chorionitis with vasculitis, and fetal pyelonephritis and enteritis in late-term abortions of maiden ewes. Chlamydial infection was detected using a genus-specific qPCR (quantitative polymerase chain reaction) on tissue extracts from 3 fetuses.