Results 21 to 30 of about 30,056 (218)

Transient efficacy of buparvaquone against the US isolate of Theileria orientalis Ikeda genotype in sub-clinically infected cattle. [PDF]

Front Vet Sci
Introduction Theileria orientalis, an economically significant tick-borne hemoparasite, infects cattle globally. The T. orientalis Ikeda genotype, transmitted by Haemaphysalis longicornis ticks, is associated with clinical manifestations characterized by
Bastos RG, Hassan A, Onzere CK, Herndon DR, Villarino NF, Laughery JM, Fry LM.   +6 more
europepmc   +2 more sources

Coinfection of cattle in Virginia with Theileria orientalis Ikeda genotype and Anaplasma marginale. [PDF]

J Vet Diagn Invest, 2022
Theileria orientalis Ikeda is a newly identified agent of bovine infectious anemia in the United States. Although T. orientalis Ikeda is transmitted by ticks other than the tick that transmits Anaplasma marginale—a bacterial etiology of bovine infectious
Oakes VJ, Todd SM, Carbonello AA, Michalak P, Lahmers KK.   +4 more
europepmc   +2 more sources

Latitude and seasons influence the prevalence of Theileria orientalis and affect the hematology of non-grazed dairy cows in Korea. [PDF]

Parasites Hosts Dis
This pilot study aimed to investigate the effects of regional and seasonal variations on the prevalence of Theileria orientalis and the hematological profile of non-grazed dairy cows in Korea. A total of 365 clinically healthy lactating Holstein Friesian
Espiritu H, Lee HW, Faruk MSA, Jin SJ, Lee SS, Cho YI.   +5 more
europepmc   +2 more sources

Theileria orientalis Ikeda infection does not negatively impact growth performance or breeding soundness exam results in young beef bulls at bull test stations. [PDF]

Front Vet Sci
Introduction Theileria orientalis Ikeda genotype is an emerging cattle disease in the US. Since 2017, when T. orientalis Ikeda was discovered in beef cattle in two counties in Virginia, cattle infections have risen to include ~67% of Virginia counties ...
Guynn SR, Greiner SP, Currin JF, Todd SM, Assenga A, Hungerford LL, Lahmers KK.   +6 more
europepmc   +2 more sources

Determining diagnostic sensitivity loss limits for sample pooling in duplex rtPCR surveillance testing: <i>Theileria orientalis</i> and <i>Anaplasma marginale</i>. [PDF]

J Vet Diagn Invest
To expand surveillance testing capacity through sample pooling, a thorough understanding is needed of how sample dilution through pooling affects the sensitivity of candidate assays.
Burgess C, Todd SM, Hungerford L, Lahmers K.   +3 more
europepmc   +2 more sources

Review of the New Zealand Theileria orientalis Ikeda Type Epidemic and Epidemiological Research since 2012. [PDF]

Pathogens, 2021
This article sets out to document and summarise the New Zealand epidemic and the epidemiological research conducted on the epizootic of bovine anaemia associated with Theileria orientalis Ikeda type infection, which began in New Zealand in August 2012 ...
Lawrence K, Gedye K, McFadden A, Pulford D, Heath A, Pomroy W.   +5 more
europepmc   +2 more sources

Effects of Theileria orientalis Infection on Health Status and Productivity of Dairy Cows Reared inside Barns [PDF]

Pathogens, 2021
The objective of the present study was to investigate the effects of Theileria orientalis on the severity of anemia, the prevalence of disease within 21 days after calving and productivity in cows raised inside barns.
Yuki Fukushima, Tomoya Minamino, Yoko Mikurino, Kazuyuki Honkawa, Yoichiro Horii, Takako Taniguchi, Hirohisa Mekata, Yosuke Sasaki   +7 more
doaj   +2 more sources

Dermacentor variabilis Does Not Transstadially Transmit the U.S. Isolate of Theileria orientalis Ikeda: A Controlled Acquisition and Transmission Study

Parasitologia, 2023
Theileria orientalis Ikeda, an emerging U.S. bovine hemoparasite, causes anemia, abortion, ill-thrift, and occasionally death. While Haemaphysalis longicornis is the primary vector, it is possible that other U.S.
Cynthia K. Onzere, Amany Hassan, David R. Herndon, Kennan Oyen, Karen C. Poh, Glen A. Scoles, Lindsay M. Fry   +6 more
doaj   +2 more sources

A U.S. isolate of Theileria orientalis, Ikeda genotype, is transmitted to cattle by the invasive Asian longhorned tick, Haemaphysalis longicornis. [PDF]

Parasit Vectors, 2021
Theileria orientalis is a tick-borne hemoparasite that causes anemia, ill thrift, and death in cattle globally. The Ikeda strain of T.orientalis is more virulent than other strains, leading to severe clinical signs and death of up to 5% of affected ...
Dinkel KD, Herndon DR, Noh SM, Lahmers KK, Todd SM, Ueti MW, Scoles GA, Mason KL, Fry LM.   +8 more
europepmc   +2 more sources

Molecular prevalence of Anaplasma marginale, Babesia bigemina, and Theileria orientalis and their associations with Mafriwal cattle's age groups. [PDF]

J Adv Vet Anim Res
Objective: This study was designed to determine the molecular prevalence of hemoparasites and their associations with Mafriwal cattle’s age groups. Materials and Methods: Blood samples were taken from the coccygeal veins of calves (n = 92), yearlings (n =
Manap MAHA, Mustaza NSA, Nasruddin NA, Abdullah WLW, Yaakub H, Hayyan BN.   +5 more
europepmc   +2 more sources