Infestations of cattle fever ticks along the U.S.-Mexico border in
During the first 9 months of 2004, 77 premises were quarantined after cattle fever tick-infested cattle were identified on them by personnel from the Cattle Fever Tick Eradication Program of the USDA’s Animal and Plant Health Inspection Service (APHIS). The number of infestations discovered this year is almost three times the number found during the same period in 2003 and is seven times greater than the total number for all of 2002.
It is noteworthy that 27% of this year’s outbreaks were located in the "Tick Free Area" outside the Quarantined Zone. Also, 65% of the infested premises have been in
Past attempts to relate the prevalence of tick outbreaks to climate have generated inconclusive results. Even so, a series of warmer than average winters and above-average precipitation in southern
The committee also heard a report on efforts to eradicate the tropical bont tick from
In 1987, after being free for 15 years, ticks were found again. Due to a lack of funds, there was no eradication program; the farm was quarantined and the animals were routinely sprayed with an acaracide. By September 2003, the number of infested farms had increased to eight.
Livestock producers in the
The program is currently in the eradication stage with two teams in the process of performing a 100% premises inspection in the eastern end of