search.noResults

search.searching

saml.title
dataCollection.invalidEmail
note.createNoteMessage

search.noResults

search.searching

orderForm.title

orderForm.productCode
orderForm.description
orderForm.quantity
orderForm.itemPrice
orderForm.price
orderForm.totalPrice
orderForm.deliveryDetails.billingAddress
orderForm.deliveryDetails.deliveryAddress
orderForm.noItems
BREATHITT DIAGNOSTIC ROUNDS (CONT.)


Te following images demonstrate infection with Teile- ria orientalis (Figure 1) and Anaplasma Marginale (Figure 2) in two different animals.


References: 1. Dinkel et al. A U.S. isolate of Teileria orientalis, Ikeda genotype, is transmitted to cattle by the inva- sive Asian longhorned tick, Haemaphysalis longicornis. Parasites and Vectors. 14, 157 (2021).


2. Southeastern Cooperative Wildlie Disease Study. Reports of Haemaphysalis longicornis in the United States; https://scwds.shinyapps.io/haemaphysalis/


3. United States Department of Agriculture. Emerging Risk Notice- Teileria orientalis Ikeda. 2021; https:// www.aphis.usda.gov/animal_health/downloads/thei- leria-orientalis-ikeda-notice.pdf


4. Guant SD (2000). Hemolytic Anemias Caused by Blood Rickettsial Agents and Protozoa. In: Schalm’s Veterinary Hematology, 5th Edition. Baltimore, MD. Lippincott Williams & Wilkins, 2000: 154-162.


Figure 1. Bovine blood smear. Merozoites consistent with Teileria orientalis (orange arrows) are observed. Occasional erythrocytes demonstrate basophilic stippling (yellow triangle), indicating the anemic state of the an- imal. Diff-Quick. Magnification 1000x. (Photo credit, Dr. Nathan Helgert)


5. Virginia Cooperative Extension. Managing the Asian Longhorned Tick: Checklist for Best Management Practices for Cattle Producers. 2020; https://www. pubs.ext.vt.edu/ENTO/ENTO-382/ENTO-382. htm 


Figure 2. Bovine blood smear.


Rickettsial bacterium


consistent with Anaplasma marginale (red arrows) are ob- served. Te field contains a single neutrophil, and occa- sional crenated erythrocytes. Diff-Quick. Magnification 1000x. (Photo credit, Dr. Nathan Helgert)


Winter 2023 31


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44  |  Page 45  |  Page 46  |  Page 47  |  Page 48  |  Page 49  |  Page 50  |  Page 51  |  Page 52