Yes, well that past discussion certainly ended as a train wreck. lol
For any food that I consider, I look at the first few ingredients. What are they?
While checking the main ingredients in a food is indeed a good place to start, it's not exactly the be all to end all either. While manufacturers are legally obligated to list ingredients in the order of decreasing percentage, these percentages can be manipulated quite easily.
The only way to really no what's going on is by knowing the exact percentage of each ingredient. (dry weight, sans the moisture content) For years many dog food manufacturers used the dry/wet method to manipulate their labels, such as listing "fresh whole chicken" as the main ingredient, when in fact once the 80+% moisture content was removed from that chicken, that ingredient quickly dropped down to the 3rd or 4th ingredient in the product.
Another example, brand X uses 650 pounds of high quality marine protein as their "main" ingredients in a 1 ton batch of food, but does so only using krill, and herring. (followed by the binding agent)
Brand Z only utilizes 450 pounds of marine protein in a 1 ton batch of food, but uses 5 or 6 different kinds of "fish", or fish products, and lists each one of them separately, followed by a much larger (compared to brand X) inclusion rate of their binding agent/s.
According to the list above brand z's label would actually come out looking as the better product to most consumers - but is it?
Listing a greater # of fish species on the label, doesn't equate to the formula having a greater total dry
weight of fish in the food. It could in fact amount to nothing more than slick marketing, and most consumers would get suckered in.
A classic method of manipulating ingredient lists is what's referred to as ingredient splitting.
As an example ....
Krill Meal, Fish Meal, Herring Meal, Shrimp Meal,
Wheat Middlings,
Wheat,
Rice Meal,
Wheat Flour,
Distillers Dried Grains with Solubles, Brewers Dried Yeast, Spirulina, Paprika, Limestone, Xanthophyll, Fish Oil, Lecithin, Salt, various vitamins & minerals.
If you add up all of the starch based ingredients in that formula, you might be surprised how much
total starch (wheat, rice, and DDGS) is actually in that formula. Just with the "
wheat" alone, add the 3 wheat products listed, and wheat could potentially become the second ingredient listed by dry weight.
Then one needs to factor in where those raw ingredients are being sourced from. Is the protein source coming from the cold clean waters of Canada & the South Antarctic, or are they coming from some semi-intensive pond set up located on the outskirts of Bangkok, and later preserved with BHA, BHT, and ethoxyquin in order to remain stable over the long haul?
http://www.importgenius.com/shipments/ocean-nutrition-asia-co.html
And this is without even beginning to compare micronutrient levels, such as vitamins & trace minerals. Would you prefer that your fish are receiving 60 mg/kg of Vitamin C, or 600? The answer to that should be a no brainer, especially for those of you that have set ups where stress from breeding, aggression, etc is the norm.
Sometimes what's
not listed on a label, can be just as important as what is.
Quite frankly unless one is privy to exact inclusion rates or percentages being used, as well as the source of those raw ingredients, ingredient listings found on fish food labels are a good general guideline, and nothing more.