My Newborn Puppy Has Green Poop (7 Possible Causes)

newborn puppy has green poop

They say that money can’t bring you happiness but a puppy sure can. Happiness is a warm puppy that all dog lovers should experience.

I didn’t adopt my dog from the shelter when he was a puppy but I did spend a lot of time with my sister’s little Golden Retriever. Bailey was her name and she was the cutest thing ever. She’s a big girl now but still behaves like a puppy.

Looking after a newborn puppy can feel like a full-time job. They require constant feeding, attention and care. It can get a lot busier if your puppy’s digestive system is acting up and turning your dog’s poop green.

But what could be turning your newborn puppy’s poop green?

Green poop in newborn puppies is usually a sign that something is not right with the dog’s health. Health problems like parasitic infections, allergies and canine parvovirus could be making your dog eliminate green poop. This is a condition that requires medical attention.

In this article, we will be taking a look at all the possible reasons that could be turning your newborn puppy’s poop green.

What Color Should Newborn Puppies Poop Be?

Talking about poop isn’t the most interesting or exciting of topics especially when it isn’t about yours.

But your dog’s poop is one indication of how good or bad its current health is. And as a dog owner, your dog isn’t gonna come up to you and say that it is sick.

It’s all in the poop.

Healthy poop for newborn puppies should be light brown to dark brown in color. Stools should be formed and not watery like puree.

Is green poop normal?

Well, it depends as I will get to later but generally speaking, you don’t want to see any other color besides light or dark brown.

Why Is My Puppy’s Poop Green?

If your little puppy is currently pooping green stools, here are some reasons that could be causing it.

1. Canine Herpesvirus (CHV)

This disease is caused by the canine herpes virus and can be fatal in young puppies. In adult dogs, this virus can cause respiratory problems, inflammation of the genitals and eye disease.

Canine herpesvirus is very contagious and is spread between dogs through bodily fluids. Puppies can get it from their infected mothers prior to birth.

The infection is commonly seen in puppies as young as a week old to one month of age. Once the dog has passed six months of age, it is a rare occurrence.

Symptoms of canine herpesvirus include:

  • Lethargy
  • Diarrhea
  • Loss of appetite
  • Nasal discharge
  • Rashes

There isn’t really an effective treatment for dogs with herpes and this infection is for life. Once your dog has herpes, it may flare up from time to time.

Green poop is said to be of the symptoms of CHV and if you do notice that your dog has one or more of the above symptoms, please get it to the vet immediately.

This virus is very deadly to young puppies and can cause fading puppy syndrome whereby the dog can fade off and diet within two weeks.

The best way to prevent puppies from getting this virus is to protect the mother dog in the first place. Do not let the bitch come into contact with other dogs there weeks before and after giving birth.

The same goes for puppies who are less than six months. Lets the litter nurse as soon as possible to get all the antibodies from the mother’s milk.

2. Allergies

puppy drinking milk

If have not raised a puppy before you need to be careful with what you are feeding it. Puppies that have yet to be weaned off milk need either their mother’s milk or a specialized milk formula.

Please do not give your puppy cow’s milk which is very high in lactose. Although puppies can digest milk, dog’s milk is a lot lower in lactose which is easier on the dog’s digestive system.

A puppy that is suffering from food allergies can be pooping green stools that”s soft and smelly.

You need to get a special milk formula that is suited for your puppy from the pet store or the vet.

3. Parasitic Infections

Most dogs will get a parasitic infection at some point in their lives and puppies are most prone to it. Dogs can get worms from eating or drinking contaminated food and water or coming into contact with contaminated feces.

Puppies will usually get parasites from their mother if she’s yet to be dewormed.

These worms will reside and reproduce in your puppy’s gastrointestinal tract or heart and feed off the food it eats.

The most common types of parasites are:

  • Hookworms
  • Tapeworms
  • Roundworms
  • Heartworms

Having parasitic worms in newborn pups is very dangerous as these parasites can lead to poor growth and development.

Symptoms of parasitic infection include:

  • Diarrhea
  • Bloody stools
  • Mucus in stools
  • Lethargy
  • Loss of appetite
  • Unexplained weight loss

The best way to diagnose parasites is via a stool sample. There are times when you can even see white specks in your dog’s poop. This could be the eggs or body parts of the worms.

The most effective way to get rid of these parasites is by taking a dewormer. The vet will prescribe a few dewormer tablets for your dog to take until all the worms are gone.

4. Too Much Food

I have yet to meet a dog that I wouldn’t call greedy but puppies are on a whole different level. Puppies need a lot of food to gain weight and fuel their explosive growth.

A puppy is capable of gaining 10-15% of its birth weight each day. After the first week of being born, a puppy is able to double its own size in body weight.

You will probably find many feeding guidelines but as a rule of thumb for older puppies, they should be eating 20g of food per 1kg of body weight.

For puppies that still require bottle feeding, a good amount of milk would be around 180ml per kg of body weight.

I do believe that you should feed your puppy as much as it wants to eat. But you need to know when you are in overfeeding territory.

How Do I Know If My Newborn Puppy Is Overfed?

puppies eating

Too much food will overload and overstimulate your puppy’s sensitive digestive system. Excessive bile will be secreted into the stomach to help digest the food.

Your puppy’s small stomach isn’t able to absorb all that food and it just lets everything out in a green gooey mess from its rear.

Another sign that you are overfeeding your dog is regurgitation. Regurgitation happens when your dog’s stomach purges out the food undigested shortly after consuming it. This is different from vomiting where the food has been partially digested.

If you notice these signs from your dog, slowly cut back on the amount of food until you find a good balance between the amount of food and feeding frequency.

It would be a good idea to just double-check the optimum amount of food to feed your dog so that you’re not overfeeding or underfeeding it.

5. Your Dog Likes Grass

It might come as a surprise to you that you could have a grazer on your hands. I’ve only always seen cats nibble and chew on grass until I got my dog.

He isn’t as big a grass eater as my cat but he does indulge in it from time to time. Studies have shown that dogs eat more grass when they are hungry. Some dogs might even do it to help them puke out stuff that they should not have eaten.

Or maybe, you just have a puppy that likes eating grass.

If your dog ate grass, you can expect to find some grass bits in the poop and the chlorophyll in the grass can cast a green tint on its stool.

Think of it as grass-stained poop.

6. Canine Parvovirus

Dogs that suffer from canine parvovirus are said to have ‘Parvo’. This virus can affect all dogs, especially those that have yet to be vaccinated against it.

This virus will affect your dog’s gastrointestinal system and can be spread via dog-to-dog contact and contaminated food or fecal matter.

The scary thing about this virus is that it can also survive on objects like food bowls, leashes and even on human skin for long periods of time.

Dogs with parvo will show signs of tummy pain, vomiting, bad diarrhea, lethargy and abnormal body temperature.

There aren’t any specific types of medication that can be used to treat this virus. All that can be done is to give the dog supporting medication and hope that its own immune system can kill off the virus.

There’s a vaccine that’s available for canine parvovirus.

If your puppy has yet to get one, your should speak to your vet about it.

7. Foreign Objects

Dogs are notorious for stealing and eating anything and everything within reach. I have heard many crazy stories from my vet about the stuff that she has extracted from dogs.

There was once when she even had to remove a used condom from a Labrador that was eating stuff from the owner’s bathroom bin.

Puppies tend to start getting naughty and showing undesirable behavior around 3-6 months of age. This is when your dog will start chewing and biting on things that it finds interesting.

It would be good to start puppy-proofing your home as early as possible to prevent your dog from eating something that it shouldn’t have.

If your dog has swallowed or eaten a foreign object, please take it to the vet right away. The foreign object can cause an obstruction in your puppy’s digestive system which can be deadly.

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