Farms.com Home   Ag Industry News

Early Signs of Tick Infestation in Cattle

Early Signs of Tick Infestation in Cattle
Jun 10, 2026
By Farms.com

Seven warning signs farmers must not ignore for herd health

Ticks are common external parasites that affect cattle health and farm productivity. While a few ticks may seem harmless, untreated infestations can cause discomfort, reduce milk yield, and affect weight gain over time. Early detection is essential to prevent serious damage. 

One of the first signs is frequent tail swishing, rubbing, and restlessness. Cattle may rub against trees, fences, or walls due to irritation. This behavior indicates possible tick presence and should prompt closer inspection. 

Farmers should also check for small bumps, redness, swelling, or scabs on the skin. Ticks usually attach to areas like the ears, neck, udder, tail base, and groin. These signs are often overlooked but indicate early infestation. 

Reduced feed intake is another warning sign. Affected cattle may eat less due to stress and discomfort. If this is combined with scratching behavior, ticks may be the cause rather than feed quality or weather. 

Gradual weight loss can occur because ticks feed on blood and weaken the animal over time. Farmers may notice poor growth, visible ribs, and dull body conditions if infestations are not controlled. 

In dairy cattle, a drop in milk production is a key concern. Tick stress reduces feeding efficiency and increases energy use, leading to lower milk output and inconsistent yield. 

Severe infestations can lead to anemia, shown by pale gums, weakness, and reduced activity. This condition requires immediate attention and veterinary care. 

Behavioral changes such as restlessness, reduced grazing, and irritation during handling are also early indicators of discomfort caused by ticks. 

Regular inspection, clean housing, proper nutrition, and timely care can help farmers control ticks. Early action protects herd health, reduces treatment costs, and improves farm productivity. 

Photo Credit: gettyimages-ahavelaar


Trending Video

Are You Using Selection Pressure the Right Way? - Cow-Calf Corner

Video: Are You Using Selection Pressure the Right Way? - Cow-Calf Corner

Applying selection pressure is key to improving herd genetics and long-term productivity. In this Cow-Calf Corner segment, Mark Johnson, OSU Extension beef cattle breeding specialist, explains how cattle producers can effectively use selection pressure to enhance herd performance.