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Asian Tick Poses Danger to NY Livestock
20 Jun
Summary
- Invasive Asian longhorned tick is a growing concern for Hudson Valley livestock.
- Tick infestation can cause severe blood loss, anemia, and death in animals.
- Theileriosis parasite transmitted by ticks detected in local cattle herds.
New York livestock producers are being urged to take preventative measures against the Asian longhorned tick (LHT), an invasive pest whose presence is increasing in the Hudson Valley. Since its identification in the U.S. in 2017, the LHT has spread northward, posing a significant threat to animal health.
These ticks can reach high populations, causing substantial blood loss and leading to anemia, reduced performance, and even death in livestock. They also transmit theileriosis, a parasite that has been detected in cattle in the Hudson Valley, with at least one confirmed livestock death linked to the disease. While sheep and goats can be asymptomatic carriers, swine are not affected.
Unlike other tick species, LHTs thrive in open pastures, making detection and control challenging. Producers can protect their animals through various methods, including testing and herd monitoring, informed treatment decisions, and integrated pasture management. Direct application of approved acaricides and specific ear tags can also help.
Established LHT populations have been confirmed as far north as Kinderhook, Columbia County, with high infestation rates observed. The ticks are tiny, making early detection difficult. Producers should consult veterinarians and follow guidance to mitigate the threat.
