Published dose range
The published veterinary reference range for fish oil (epa + dha) in dogs is 20-55 mg per kg of body weight, given every 24h. In practice: combined EPA+DHA per kg daily.
Source: Veterinary Partner (VIN) →Published range by weight
| Weight | Fish oil (EPA + DHA) (published range) |
|---|---|
| 5 lb dog | 45-125 mg |
| 10 lb dog | 91-249 mg |
| 20 lb dog | 181-499 mg |
| 30 lb dog | 272-748 mg |
| 40 lb dog | 363-998 mg |
| 50 lb dog | 454-1247 mg |
| 60 lb dog | 544-1497 mg |
| 80 lb dog | 726-1995 mg |
| 100 lb dog | 907-2494 mg |
Computed from the published 20-55 mg/kg reference range, every 24h. Product strengths rarely split evenly, so round DOWN to the nearest practical dose and confirm with your vet.
Start low; GI upset if ramped too fast. Count EPA+DHA, not total fish oil.
Skip it or ask a vet first if
pancreatitis history (vet first)bleeding disordersbefore surgery
If you think you overdosed
Call the Pet Poison Helpline: 855-764-7661 or ASPCA Poison Control: 888-426-4435. Both are staffed 24/7 by veterinary toxicologists.