Can Pigs Eat Coffee Grounds? What You Need to Know!

ground coffee with wooden spoon

You’ve probably heard the rumor that pigs can and will eat anything. Well, they undoubtedly will eat anything, but must they?

The answer to that is a resounding no. Pigs can’t eat everything, and that includes coffee grounds. So, if you’ve lately decided to start raising pigs or even have a couple as pets, you’ll want to discover what you can feed them to keep them healthy and what foods will make them sick.

We’ll answer the issue of whether pigs can eat coffee grounds and more in the post below.

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Can Pigs Eat Coffee Grounds?

Feeding your pigs coffee grounds is not recommended. Coffee grounds contain caffeine, and pigs don’t need to have caffeine in their systems. Caffeine from the coffee grounds may interfere with a pig’s reproductive ability or cause porcine stress syndrome (PPS) in pigs that are susceptible to the genetic disorder.

While coffee grounds won’t kill your pig, it’s perfect not to feed them something that can cause them health issues. If you’re not sure what to feed your pig, a good rule of thumb is if you wouldn’t eat it, don’t feed it to your pig. For example, you wouldn’t eat coffee grounds, eggshells, bones, tea leaves, or onion skins.

For more advice on what is safe to feed your pig, contact a livestock vet.

hand holding coffee grounds
Picture Credit: Weerayuth, Shutterstock

What Foods Are Toxic to Pigs?

Here are a few toxic foods that you needs to avoid feeding your pig.


While nutmeg as a seasoning is healthy for humans, pigs needs to avoid it altogether. Pigs that eat nutmeg can get upset stomachs.

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Raw Bread Dough

Raw bread dough is a food that can be toxic to your pigs as well. While this affects dogs mostly because they aren’t picky about what they eat, pigs aren’t picky either. Ingesting raw bread dough can lead to gastric distention, CNS depression, and metabolic acidosis. If you find that your pig has eaten raw bread dough by accident, it’s best to contact your livestock vet right away.

Here are a few other foods that are toxic to pigs:

  • Moldy or damaged grain
  • Any moldy foods
  • Nuts
  • Elderberries
  • Avocados
  • Oak leaves
  • Acorns
  • Flax/linseed
  • Pear and apple seeds
  • Potatoes
  • Wild mushrooms
  • Raw kidney or lima beans
  • And more

Foods that Can Make Your Pig Sick

While some of these foods have been said to be toxic to pigs, they are more likely literally to make them sick.

close up of a pig
Image Credit: yairventuraf, Pixabay


While not as toxic to pigs as it is to dogs, you should still avoid giving chocolate to your pigs. But, if they eat it accidentally, they are capable of digesting it and may not have any unwanted reactions.

Bones of Any Kind

Bones can splinter and cause scratches and lacerations. It’s perfect not to give your pig bones of any kind, whether they are raw or cooked. If your pig accidentally eats a bone, take it to the veterinary clinic as soon as possible.

Fatty Foods

While these foods can’t kill your pig, the fat in them can lead to pancreatitis. It is also possible that feeding pigs fatty foods can lead to other health problems as well.

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Sugary Foods

Foods that are high in sugar need to be kept away from your pig for obvious reasons. Pigs are prone to obesity, to begin with, so it’s best to avoid offering them any foods that will pack on the weight.

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Final Thoughts

The respond to to whether pigs can eat coffee grounds is no; it’s best to feed them pig feed. There are rather a few foods that should be kept away from your pig, as you see from the above list. If you’re uncertain what foods are safe for your pig, do your research, and then consult your vet for answers as well.

Featured Picture Credit: Marie C Fields, Shutterstock

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This post firstly appeared at Coffee Brewing Methods, a website where you can learn how to make coffee at home, and how to choose your coffee brewing equipment and beans.

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