Common Types of Worms in Chickens It’s so sad when our chickens are sick and we can’t figure out why. Let’s look at some of ...

Jan. 21, 2025 — Trypanosomes are parasites that cause sleeping sickness, Chagas disease, and various animal diseases. Diagnosis and treatment remain complex and no effective vaccine has been ...

In other cases, parasites can kill their host. Perhaps the most gruesome type of parasite, parasitoids, kill their hosts in order to reproduce. The disturbing chest-bursting scene from the 1979 ...

and trade-offs among defenses aimed at different parasite types or strains (Schmid-Hempel 2005). In contrast, traits that confer tolerance are frequently expected to evolve to fixation ...