Here is an article from BreedingBetterDogs.com
This exactly why I recommend Tuna Oil for puppies (also pregnant and lactating bitches).
Regular Fish oil is about 2 parts of EPA to one part of DHA. Tuna oil is 1 part EPA to 5 parts DHA.
Want a smarter dog --- pay attention !
Impact of Maternal and Post-Weaning Nutrition on Puppy Trainability
Click : http://breedingbetterdogs.com/pdfFil...on_and_dha.pdf

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