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What carries Pinkeye disease in cattle?

  1. Bacteria

  2. Insects

  3. Contaminated water

  4. Dirty feed

The correct answer is: Insects

Pinkeye disease in cattle, also known as infectious bovine keratoconjunctivitis, is primarily transmitted by insects. Specifically, face flies are the main vectors responsible for carrying the bacteria that cause the disease. When these flies land on the eyes of cattle, they can introduce bacteria that lead to the infection. While other factors such as unsanitary environments or trauma to the eye can contribute to the occurrence of pinkeye, the initial spread of the disease itself is most closely associated with these insect vectors. Understanding this transmission method can help in planning preventive measures, such as controlling fly populations in herds, thereby reducing the incidence of pinkeye disease in cattle.