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Herd Health & Cattle CareBabesiosis in Cattle: What Ranchers Should Know
Babesiosis, sometimes called cattle tick fever, is a tick-borne blood disease. Ranchers do not handle this one alone, because it involves regulated ticks and official response.
Key points
- Babesiosis is a tick-borne blood disease with serious effects.
- Cattle fever ticks are a regulated concern, so officials are involved.
- Fever, pale gums, and dark urine are warning signs.
- Call your vet, the state veterinarian, or USDA APHIS if you suspect it.
- Do not move cattle or handle suspect carcasses without guidance.
What it is
Babesiosis is caused by blood parasites carried by certain ticks. The parasites invade red blood cells and break them down, causing fever, anemia, and sometimes death. In the United States, cattle fever ticks that carry the disease are the subject of federal and state programs.
Because of this, suspected cases and tick finds are matters for officials as well as for your vet. This article is awareness only.
Because the topic involves federal programs, rules and areas can change over time. Rely on your state veterinarian and USDA APHIS for current information instead of old articles or hearsay.
Why it is a regulated concern
Cattle fever ticks were largely eliminated from the United States through a long-running eradication effort, and regulators work to keep them out. States and USDA APHIS maintain programs, including inspections and movement rules in some areas, especially near borders.
Rules and quarantine zones can change, so check with your state veterinarian or USDA APHIS for current requirements where you live.
If you ranch near a border or have wildlife that moves between properties, ask whether tick inspections or treatments are part of local programs and how they work.
Signs to watch for
Cattle with babesiosis may show high fever, depression, loss of appetite, weakness, pale or yellow gums, rapid breathing, and dark red or brown urine. Some animals become neurologic or collapse. Adults are often more severely affected than young calves.
These signs also appear with other diseases, so do not conclude on your own. Any sick animal with these signs needs a vet.
Fever alone is not proof, and many sick cattle have fever. The combination of fever, pale gums, and ticks in a region of concern is what should raise your guard.
- High fever and depression
- Pale or yellow gums
- Dark red or brown urine
- Weakness or collapse
- Rapid breathing
- Ticks on the animal
What to do if you suspect it
Call your veterinarian immediately, and if you find ticks you cannot identify, or suspect fever ticks, contact the state veterinarian or USDA APHIS. Do not move cattle off the property until you have guidance.
Do not try to treat suspect animals yourself or remove and handle ticks without advice. Keep other animals away and handle the affected one calmly. Never handle suspect carcasses yourself.
Write down what you saw, when, and which animals. Having a written list ready when you call saves time and helps officials act.
Tick awareness and prevention
Check cattle for ticks regularly, especially animals brought in from other regions or pastures near the border or wildlife. Report unusual or unidentified ticks. Wildlife such as deer and other animals can carry ticks onto the ranch.
Fence maintenance, pasture management, and product use for tick control should follow the guidance of your vet, extension service, and any official program in your area.
Share information with neighbors. A tick problem on one place can affect others nearby, and open communication helps officials respond.
Buying, moving, and records
Before buying cattle from or moving them through areas with tick concerns, ask your vet and state veterinarian what is required. Health papers, inspections, or treatment may be required, and rules differ by state.
Record where cattle came from, dates, inspections, and any tick findings. These records can help officials and your vet if a problem shows up.
Keep health papers and inspection records for as long as your vet or state officials recommend.
Common mistakes
Delaying a call, moving cattle before getting advice, assuming a few ticks do not matter, and handling suspect animals or carcasses without guidance are the main mistakes. Another is assuming local rules never change. Check each year, and keep your vet's and state veterinarian's numbers handy. Follow label directions and withdrawal times for any approved product used on cattle.
Sources and further reading
- USDA Animal and Plant Health Inspection Service
- Texas and Southwestern Cattle Raisers Association
- American Association of Bovine Practitioners
- Texas A&M AgriLife Extension
Organization homepages are linked so you can search them for current guidance on this topic.