Thanks for your question and interest in our food.
Copper sulphate pentahydrate in dog food.
It is approved by both aafco in the us and fediaf in europe and its use in pet food has never been directly associated with any pet illnesses.
Commercial sources of copper sulphate are synthetically produced by treating copper oxide or copper metal with warm sulfuric acid to yield the blue hydrated cupric pentahydrate salt.
Hydrogenated corn syrup reg gmp in dog cat foods as humectant 573 530.
Copper sulfate pentahydrate can be dehydrated by heating.
The important note is how many copper used in the dog food because too many copper can harm the dogs.
Causes hydroxylamine to ignite.
The official maximum for copper is 250 mg.
Hydrogenated menhaden oil gras gmp 184 1472.
The guy at the pet store emailed the company and had them send me the reason copper sulphate is in the food.
Here is their answer.
According to the official 2015 aafco publication 2 a dog food must contain at not less than 7 3 mg of copper 3 per each kilogram of dog food.
Some food manufacturers choose the safest way by changing the copper sulfate into chelated copper or copper proteinate.
Serves as a weak oxidizing agent.
I was reading the ingredients in the dog food i buy and noticed copper sulphate listed in the ingredients.
Within the eu copper sulphate is classified as harmful and dangerous to the environment as well as being listed as an irritant.
While there are several forms of copper supplement available to pet food manufacturers copper sulphate has been their number one source for near on 80 years.
Copper sulfate nutr suppl gras gmp processing aid.
The most important thing to note here is that the amounts of copper sulphate found in pet foods are.
Chelated copper is a good option because it is easy to absorb and meet the need of your lovely dogs.
Both forms are incompatible with finely powdered metals.
However any mineral even the sodium that makes up common table salt can be toxic in excessive amounts.
I think copper sulphate should be banned from dog foods and only copper proteinate allowed.
These are not the sort of things you want to see on the side of any pet food bag.
They are very concerned that we are being unwise in our use of this.
Research needs to be done to make sure that the current levels of copper proteinate are safe.
Copper ii sulfate also known as copper sulphate are the inorganic compounds with the chemical formula cu so 4 h 2 o x where x can range from 0 to 5 the pentahydrate x 5 is the most common form.
Older names for this compound include blue vitriol bluestone vitriol of copper and roman vitriol.
I think there needs to be more research to establish safe levels of copper proteinate.
The hydrated salt is vigorously reduced by hydroxylamine mellor 8 292 1946 1947.
Water is a poison at too high of levels.
Despite this fact though copper sulphate remains a somewhat controversial ingredient with some parties claiming that copper sulphate is moderately poisonous or even toxic to pets.
I thought i would post this fyi.
I wonder if there was initially sound scientific research to establish the current levels of copper.
To give enough amount of copper dogs need to eat food contains of copper.
