Dog ticks are small arachnids that feed on the blood of dogs and other animals. They attach themselves to the skin and can transmit various diseases, such as Lyme disease and Rocky Mountain spotted fever. Ticks are most active in warm weather and can be found in grassy or wooded areas. To prevent tick infestations, pet owners should regularly check their dogs for ticks, especially after outdoor activities. Using tick prevention products and keeping the yard well-maintained can also help reduce the risk of ticks. Early removal of ticks is crucial to minimize the chances of disease transmission.