Is it OK for dogs to eat tuna

Is it OK for dogs to eat tuna? how to give and precautions

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Tuna is a fish that dogs can eat. It is a healthy food containing omega-3 fatty acids such as DHA and EPA. Larger fish contain mercury and are not recommended for daily feeding. This time, a pet nutritionist will explain how to give such as amount and cooking method, and precautions when giving allergies and bones.

Is it ok for dogs to eat tuna

Tuna is a fish that can be eaten by dogs, and there are many dog ​​foods that use tuna as an ingredient. Lean tuna is rich in protein and low in fat, and is rich in omega-3 fatty acids such as DHA and EPA , and BCAA (valine, leucine, isoleucine), which are important amino acids for increasing muscle.

There are different types of tuna, and bluefin tuna is considered to be the most expensive, and is also called honmaguro. Albacore tuna, also known as albacore tuna, is sold at reasonable prices in supermarkets and conveyor belt sushi restaurants. “Yellowfin tuna” and “bigeye tuna” are used for canned foods such as canned tuna.

Nutrients of tuna

bluefin tuna albacore tuna Canned food (boiled, flakes)
energy 115kcal 111 calories 70kcal
protein 26.4g 26.0g 16.0g
Lipid 1.4g 0.7g 0.7g
sodium 49mg 38mg 210mg
potassium 380mg 440mg 230mg
Rin 270mg 310mg 160mg
EPA 27mg 43mg 20mg
DHA 120mg 140mg 120mg
Valine 1400mg 1400mg 800mg
Leucine 2000mg 2000mg 1200mg
isoleucine 1200mg 1200mg 700mg


potassium It has the effect of excreting excess salt, maintaining a balance with sodium, and stabilizing blood pressure. If you have weak kidneys , you need to be careful with your intake as it can be excessive and damage your heart.
Rin It plays an important role in bone and tooth formation and energy metabolism. Phosphorus restriction is necessary in dogs with kidney disease, as phosphorus is not excreted normally, exacerbating kidney disease.
EPA EPA has an anti-inflammatory effect and is effective in alleviating allergic dermatitis, atopic dermatitis, peritonitis, colitis, and periodontal disease (*1) . It is also expected to have anti-cancer effects (*2) , and is thought to lead to alleviation of kidney diseases such as renal failure.
DHA DHA has a function to protect the central nervous system, and can be expected to prevent and improve stroke and dementia . It is essential for the growth of puppies and leads to normal development of nerves, brain membranes, hearing, intelligence, discipline and dog training ability.
BCAAs Valine, leucine, and isoleucine are the general term for the three amino acids that are essential for exercise because they serve as an energy source for muscles. Effective intake of BCAAs is effective in maintaining muscle mass and recovering from fatigue .

Precautions when giving tuna to dogs

Precautions when giving tuna to dogs
Precautions when giving tuna to dogs
  1. Be careful with raw tuna
  2. Salt-free canned tuna
  3. Beware of allergies
  4. Danger of histamine food poisoning
  5. Be careful not to give too much

1. Be careful with raw tuna

Raw tuna contains thiaminase, an enzyme that breaks down thiamine (vitamin B1). Squid is famous as an ingredient containing thiaminase, but consuming squid can lead to a lack of thiamine, leading to thiamin deficiency. We humans call it “beriberi “.

Eating raw tuna, such as sashimi, does not suddenly become a problem, but if you feed it every day, you will develop a thiamine deficiency. Thiaminase is inactivated by heating. Do not give tuna raw, but give it cooked, such as baked or boiled.

2. Salt-free canned tuna

Commercially available canned tuna may contain salt. Eating too much salt can put a strain on your kidneys, so if you do give them canned tuna that’s salt-free and doesn’t contain any additives.

3. Watch out for allergies

When giving for the first time, start with a small amount and pay attention to the following symptoms.

  • diarrhea
  • vomiting
  • itchy skin
  • body tremor
  • I’m not feeling well

If you have any concerns, contact your veterinarian immediately. At that time, it is important to explain in detail how much was given and how it was cooked.

4. Danger of histamine food poisoning

Histamine food poisoning is poisoning caused by ingesting fish containing a substance called histamine. Histidine in tuna is converted into histamine by histamine-producing bacteria. Bacteria multiply when left at room temperature, so the amount of histamine produced increases and the probability of causing poisoning increases.

Histamine is very resistant to heat, so once histamine is produced, it cannot be decomposed by heat treatment. Buy fresh fish and don’t leave it at room temperature. If you get histamine food poisoning, the following symptoms may appear 2 to 3 hours after ingestion.

  • diarrhea
  • vomiting
  • swelling of the tongue or face
  • hives
  • dizzy

5. Don’t give too much

If you give too much, it may cause yellow adiposity (yellow fat) or central nervous system disorder due to excessive intake of mercury.

Yellow steatosis is a disease that develops due to excessive intake of unsaturated fatty acids mainly contained in blue fish (tuna, bonito, yellowtail, saury, etc.). A small amount of unsaturated fat lowers cholesterol and makes the blood thinner, but if given too much, it oxidizes the fat and causes the following symptoms.

  • Hair loses luster
  • A hard lump of fat in the lower abdomen
  • Staggered, awkward gait
  • I hate having my stomach touched

Read Also: Is it OK for dogs to eat chicken?

How to give tuna

How to give tuna
How to give tuna

Heated from raw

There is no problem with raw meat such as red meat and fatty tuna sashimi, but there are some risks, so it is recommended that you boil or heat it a little. In addition, it is said that heat improves the texture and enhances palatability.

watch out for bones

Remove any bones that may damage organs if swallowed.

amount given at one time

When giving as a topping to a comprehensive nutritional diet or as a snack, keep it within 10% of the optimal calorie amount per day.


It is recommended to give after heating

Beware of bones and allergies

Giving too much can cause yellow steatosis and central nervous system disorders

When giving canned tuna, use salt-free ones

Tuna is a highly nutritious food for dogs. However, eating too much can have adverse effects.

Therefore, for healthy dogs, we recommend giving tuna as a snack on the premise of a comprehensive nutritional dog food. Please pay attention to them and spend your diet with a wonderful dog!

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