How Long Is Canned Dog Food Good For After Opened

How Long Is Canned Dog Food Good For After Opened

How Long Is Canned Dog Food Good For After Opened?


As responsible pet owners, we always want the best for our furry companions. Canned dog food is a convenient and nutritious option, but many of us wonder, “How long is canned dog food good for after it opens?” In this comprehensive guide, we’ll delve into the shelf life of opened canned dog food, how to store it properly and provide you with valuable insights to ensure your dog gets the best nutrition.

1. The Shelf Life of Opened Canned Dog Food

Canned dog food is a convenient and nutritious option that many pet owners rely on to provide their furry friends with balanced meals. However, it’s essential to understand that once you’ve cracked open a can of dog food, the clock starts ticking on its freshness and safety. In this section, we will delve deeper into the shelf life of opened canned dog food, including understanding expiration dates and how long you can keep it without compromising your pet’s health.

1.1. Understanding Expiration Dates

One of the first things you’ll notice when purchasing canned dog food is the presence of an “expiration date” or “best by” date on the label. This data serves as a guideline provided by the manufacturer to indicate the period during which the food is expected to retain its peak quality. It’s important to note that this date primarily pertains to the quality of the product rather than its safety.

Key Points to Remember:

  • Quality vs. Safety: The “best by” date is not a strict indicator of safety. Even after this date has passed, canned dog food may still be safe to consume as long as it has been stored properly.
  • Quality Degradation: After the expiration date, the quality of the food may begin to decline. This could result in changes in taste, texture, or nutrient content. However, this decline in quality doesn’t necessarily mean that the food is harmful to your dog.

1.2. How Long Can You Keep It?

Once you’ve opened a can of dog food, it’s exposed to air and other environmental factors that can affect its freshness. Therefore, it’s crucial to know how long you can safely keep open canned dog food without risking your pet’s health.

Guidelines for Storing Opened Canned Dog Food:

  • Refrigeration: To extend the shelf life of opened canned dog food, promptly refrigerate any unused portions. Refrigeration helps slow down the growth of potentially harmful bacteria that can develop in the food.
  • Use It Within 3-5 Days: As a general rule of thumb, it’s advisable to consume opened canned dog food within 3-5 days if it has been stored in the refrigerator. During this time, the food should remain safe for your pet to eat while retaining most of its nutritional value.
  • Check for Spoilage: Always use your senses to assess the food’s safety. If you notice any unusual odors, off-putting textures, or signs of mold or discoloration, it’s best to err on the side of caution and discard the food.

2. Proper Storage of Opened Canned Dog Food

Proper storage of opened canned dog food is crucial to ensure that your beloved pet receives safe, nutritious, and palatable meals. Once a can has been opened, it becomes susceptible to contamination and spoilage if not stored correctly. In this section, we will explore essential guidelines for storing opened canned dog food to maintain its quality and safety.

2.1. Seal It Well

The first step in proper storage is sealing the opened can of dog food effectively. Leaving the food exposed to air can lead to rapid deterioration in quality. Here’s what you can do:

Airtight Can Lids:

Invest in airtight can lids designed specifically for pet food cans. These lids create a secure seal, preventing air from entering the can and preserving the food’s freshness.

Sealed Containers:

Alternatively, you can transfer the remaining dog food from the opened can into a sealed container. Choose a container that is specifically designed for pet food storage, as these are typically airtight and help maintain the food’s quality.

Use Can Covers:

If you don’t have access to airtight lids or containers, you can use can covers designed for human canned goods. While not as effective as pet-specific options, they still provide a better seal than leaving the can open.

2.2. Refrigeration Is Key

Refrigeration plays a pivotal role in extending the shelf life of opened canned dog food. The lower temperature inside the refrigerator slows down the growth of harmful bacteria and microorganisms that can multiply rapidly at room temperature. Here’s how to ensure proper refrigeration:

Prompt Refrigeration:

As soon as you’ve served your dog and have some leftover canned food, place it in the refrigerator without delay. The longer the food sits out at room temperature, the greater the risk of spoilage.

Use a Refrigerator Thermometer:

Ensure that your refrigerator maintains a temperature below 40°F (4°C). This range is considered safe for storing perishable items, including opened canned dog food.

Separate from Human Food:

To prevent cross-contamination, store your pet’s food separately from your groceries. Use a designated shelf or container for pet food to maintain hygiene.

2.3. Avoid Freezing

While freezing is a common method for preserving human food, it’s generally not recommended for opened canned dog food. Freezing can have adverse effects on the texture, taste, and overall appeal of the food to your pet. Here’s why you should avoid freezing:

Texture Changes:

Freezing and thawing can alter the texture of the dog food, making it less palatable to your furry companion.

Taste Alterations:

Frozen dog food may lose some of its original flavors, which could result in your pet refusing to eat it.

Moisture Separation:

Freezing can cause moisture separation within the food, leading to an uneven and unappetizing consistency.

Proper Storage of Opened Canned Dog Food

3. How to Tell If It’s Gone Bad

Ensuring the safety of your beloved canine companion is paramount, and being able to identify if opened canned dog food has gone bad is essential. While canned dog food typically has a longer shelf life than other pet food options, it’s still susceptible to spoilage under certain conditions. In this section, we’ll discuss how to use your senses to determine if canned dog food has deteriorated and is no longer safe for your pet.

3.1. Check the Smell

A dog’s sense of smell is incredibly keen, and they can detect odors that humans might miss. Therefore, your dog’s reaction to the smell of their food can be an initial indicator of spoilage. Here’s what to consider:

Normal Odor:

Fresh canned dog food has a mild, meaty aroma that your dog typically finds appealing. If the food smells normal, it’s likely safe to serve.

Foul or Off-Putting Smell:

Spoiled dog food has a distinct, unpleasant odor. If you detect any foul, rancid, or sour smells when you open the can, it’s a strong sign that the food has gone bad. Do not feed it to your dog.

3.2. Examine the Texture

Visual cues are also crucial when assessing the safety of opened canned dog food. Changes in texture can indicate spoilage or contamination. Here’s what to look for:

Normal Texture:

Fresh canned dog food should have a consistent texture throughout the can. It should be moist and uniform in appearance.

Signs of Spoilage:

If you notice any of the following changes, it’s best to discard the food:

  • Mold growth: Visible mold, especially on the surface or near the edges of the food, is a clear sign of spoilage.
  • Separation of liquids: If the food appears watery or if there’s a noticeable separation of liquid from the solid components, it’s a sign that the food may have deteriorated.
  • Discoloration: Unusual color changes, such as a darkening or development of unusual hues, can be indicative of spoilage.

3.3. Trust Your Dog’s Reaction

Dogs have an innate ability to detect food spoilage through their senses of smell and taste. If you offer your dog canned food that has gone bad, they are likely to reject it. If your dog turns away from the food or appears hesitant to eat it, it’s a strong indication that something is amiss. Trust your pet’s instincts and refrain from feeding them questionable food.

4. Frequently Asked Questions (FAQs)

How can I extend the shelf life of opened canned dog food?

Proper storage is the key. Invest in a can lid or sealed container, and always refrigerate the food after opening.

Can I freeze opened canned dog food?

It’s not recommended. Freezing can alter the texture and taste of the food, making it less appealing to your dog.

Is it safe to feed my dog canned food after the “best by” date?

While it’s not ideal, it’s usually safe for a short period after the date. Always use your senses; if it smells or looks off, discard it.

Can I mix canned dog food with dry kibble?

Yes, many dog owners mix the two for a balanced diet. Just ensure the canned food is fresh and properly stored.

How do I store unused portions of canned dog food?

Transfer the remaining food into an airtight container or use a can lid to seal the can. Refrigerate promptly.

What should I do if my dog eats spoiled canned food?

If your dog consumes spoiled food and shows signs of illness, contact your veterinarian immediately.


Knowing how long canned dog food is good for after opening is essential for your pet’s health. By following proper storage guidelines and being vigilant for signs of spoilage, you can ensure your dog always enjoys safe and nutritious meals. Remember that your pet’s well-being is the top priority, so when in doubt, it’s best to discard any questionable food. Keep your furry friend happy, healthy, and well-fed!