It's called "coprophagia," and lots of dogs do it.
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Behavioural defences in animals against pathogens and parasites: parallels with the pillars of medicine in humans
https://www.ncbi.nlm.nih.gov/pmc/arti...

Coprophagia: Food for thought
https://www.ncbi.nlm.nih.gov/pmc/arti...

American Kennel Club: Why Dogs Eat Poop and How to Stop It
http://www.akc.org/content/health/art...

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IMAGES

McKeown, D., Luescher, A., & Machum, M. (1988). Coprophagia: Food for thought. The Canadian Veterinary Journal, 29(10), 849–850.
https://www.ncbi.nlm.nih.gov/pmc/arti...

File:My dogs 2
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Ancylostoma caninum attached to the intestinal mucosa
CDC

File:Smiling dog
Wikimedia Commons/Brandon Weeks

Hookworm filariform larva
CDC

Maltese puppy, 3 days old
Wikimedia Commons/yasmapaz & ace_heart from Germany

File:Canine hookworm egg 1
Wikimedia Commons/Joel Mills

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Wikimediea Commons/Frank Vincentz

File:Killer Chihuahua
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File:Kiara
Wikimedia Commons/LuKaS Cuba

File:Aaluna
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File:Dog nose macro close up
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File:Wilde huendin am stillen
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File:Sharpei ogon 867
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Fermented hot sauce
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