Which of the following livestock parasites possesses proglottides?

The livestock parasite that possesses proglottides is the tapeworm. Tapeworms are a type of parasitic flatworm that infect livestock such as cows, sheep, and pigs. They possess proglottides, which are segments that make up the body of the tapeworm. Each proglottid contains reproductive organs and can produce eggs, which are shed in the feces of the host. Proglottides enable tapeworms to reproduce and increase their population within the host's digestive system. They can grow up to several meters long and cause various health problems, including malnutrition and reduced productivity in livestock. In contrast, liver flukes are parasitic flatworms that infect the liver and bile ducts of livestock, while roundworms are long, cylindrical worms that can infect various organs, including the intestines and lungs. Trypanosomes are single-celled parasites that cause African animal trypanosomiasis, while ticks are arthropods that can act as vectors for various diseases in livestock.