Crosswords0 min ago
Wild animals
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How is it that you have to worm and de flea and eliminate tics for domestic pets, but obviously that does not happen in the wild ?
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For more on marking an answer as the "Best Answer", please visit our FAQ.They get all of those parasites. Worms are the biggest problem as fleas and ticks drop off eventually. Most wild animals can get by with a small worm infestation, but when the burden gets too high they die at periods of stress, such as winter or during droughts or get caught and eaten by predators who are probably a part of the parasites life cycle.
Generally, animals can tolerate a certain amount of parasites without any problems. It is not in the parasite's interest to weaken or kill the host. Parasitic worms and tics/fleas need to leave the animal at some stage - either as eggs or larva - to complete their life cycle. Wild animals have a huge habitat compared with domestic ones, so the likelihood of multiple re-infestation is smaller.