Wikipedia ....... now there is a source that we should all bow down to.

Certainly everyone using meals in pet food are using rancid ingredients. WTF? That must be true, because it say so on Wiki.
Did you even bother to read any of this, Joe, a paper written by men of science, who are published in numerous peer reviewed publications.
https://edis.ifas.ufl.edu/pdffiles/FA/FA12200.pdf
The authors:
R. D. Miles, professor, Department of Animal Sciences; and F. A. Chapman, associate professor, Department of Fisheries and Aquatic Sciences; UF/IFAS Extension, Gainesville, Florida
FYI - manufacturers don't buy fish meal by the pound, they buy it by the ton, a cost which has risen an insane amount over the past 20 yrs. in 2014 alone the cost rose a whopping 60%!
https://www.quandl.com/data/ODA/PFISH_USD-Fishmeal-Price
https://www.undercurrentnews.com/20...odity-to-high-price-strategic-marine-protein/
Kmuda, much of what you state is again based on assumptions, not facts. In fact, many of your assumptions have been proven to be inaccurate, or completely false. This is not a personal shot, I'm just saying .....
Personally I have no idea who uses what in their food, as I am not privy to that kind of information. How is it that you are? Do you have inside sources, or is your information based on nothing more than personal feelings, non educated guesses, and Wikipedia type sources, like Joe uses? I'm being serious, state your sources please. Otherwise best to word your responses more carefully, and certainly be more cautious when writing articles on subjects such as this - as even though you are most certainly not an authority on this subject, many who read your comments apparently must believe otherwise. This is why I hammer you a little harder in these discussions. Nothing personal.
For many many years, the number 1 source of fish meal used in the vast majority of pet foods made in the USA was Menhaden meal. It was used the most because it was the cheapest to source, and always available.For a fish food manufacturer it makes no sense BUT to use the "whole" fish, fish meal, because they require the fatty acids in the food, or they have to source out yet another raw ingredient (fish oil) and add it back. Logically, the latter makes no sense. If you see a terrestrial based oil being added to the formula, such as soybean oil, etc, then a red flag should go up.
From the link poted above; "The aquaculture industry is the main buyer for fish oil globally, consuming some 74% of available supply, primarily for use in salmon feed."
From the following article:
http://www.livingoceans.org/initiat...-fish-meal-and-fish-oil-fisheries?language=en
"Farmed salmon are no different from their wild cousins in that they require a certain amount of animal protein in their diet to stay healthy and grow. This protein comes from the harvest of forage fish species for reduction into fish meal and fish oil. Forage fish such as anchoveta, capelin, herring, menhaden and sardines are important food sources for many other marine species further up the food chain. Along with other fish, 98 percent of the anchoveta stocks harvested in Peru and 85 percent of sardines harvested in Mexico’s Gulf of California are currently being made into fish meal and fish oil mostly used for animal feed. In 2006 it was estimated that the global aquaculture industry utilized 68.2 percent of fish meal supplies worldwide or 3.724 million tonnes and 88.5 percent of fish oil supplies or 835,000 tonnes. From the same
report, the global landings of forage fish in 2008 was 31.5 million tons with 90% of which is destined to the fish meal and oil industry."
Mostly used for animal feed .......
Salmon require a higher fatty acid content, some formulas as high as 30% crude fat, so to those aquaculture feeds they not only have the soluble remaining in the food, but they have to actually add even MORE fish oil back to the feed during the manufacturing process. Are the numbers starting to make sense yet? The cost of fish meal (whole) has become so rich over the past several years, that the feed producers are now looking for alternative sources for both protein, and fat. Enter the use of terrestrial based plant matter, and oil, and even animal by-products, from various sources. Now we have salmon feed that reads like this:
ingredients: Poultry Meal, Fish Meal, Poultry Fat, Fish Oil, Whole Wheat, Soybean Meal, Corn Gluten Meal, Feather Meal, Rapeseed Oil, etc
And Kmuda, not all of the salmon meal found in pet foods comes from the East coast, Skretting is also based on the West Coast where there are massive commercial salmon farming operations.
"Over two-thirds of the total global salmon aquafeed production is produced by two companies: Skretting (Nutreco) and Ewos (Cermaq).4"
And while I personally will always prefer to know the type of fish meal being used in a food, such as herring meal, over generic fish meal, the reason that you will begin seeing more of this has NOTHING to do with the term "whole", and everything to do with rising costs and a very volatile market, where demand can often exceed supply.
https://www.undercurrentnews.com/20...odity-to-high-price-strategic-marine-protein/
So if/when herring isn't available, then anchovy may have to be used, or menhaden, or sardines, or, or.
And that is why some companies use more simplistic terms on their labels, such as "fish meal". Think of it as being a commodities broker, always looking for the best product for the $$, which is exactly what takes place for those that purchase their own raw ingredients and manufacture their own foods, as well as those who count on commercial feed mills to act as a middle man and purchase ingredients, and then manufacture their feed. In the case of the latter, that feed mill is also banking on making money on each raw ingredient that they purchase in bulk, so a win-win for them when purchasing their ingredients. BUT, if one boxes themselves in a corner, with say just one form of fish meal, they could pay dearly for that when the market shifts in the wrong direction. It's like going to Vegas and putting it all on black, not such a great idea any longer when it comes to sourcing certain raw ingredients.
I hope that helps explain some of the process more clearly.