Copper Sulphate Pentahydrate In Dog Food
Both forms are incompatible with finely powdered metals.
Copper sulphate pentahydrate in dog food. The pentahydrate cuso 4 5h 2 o the most commonly encountered salt is bright blue. The official maximum for copper is 250 mg. Some food manufacturers choose the safest way by changing the copper sulfate into chelated copper or copper proteinate. 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.
Hydrogenated menhaden oil gras gmp 184 1472. Copper sulfate nutr suppl gras gmp processing aid. 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. Research needs to be done to make sure that the current levels of copper proteinate are safe.
These are not the sort of things you want to see on the side of any pet food bag. Hydrogenated corn syrup reg gmp in dog cat foods as humectant 573 530. Thanks for your question and interest in our food. They are very concerned that we are being unwise in our use of this.
I was reading the ingredients in the dog food i buy and noticed copper sulphate listed in the ingredients. Older names for this compound include blue vitriol bluestone vitriol of copper and roman vitriol. I thought i would post this fyi. Here is their answer.
I think copper sulphate should be banned from dog foods and only copper proteinate allowed. 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. There have been some recurrent concerns expressed to customer service hotlines and on some enthusiast web sites that copper sulfate is toxic and that it attacks the heart liver and kidneys and that it is moderately poisonous these folks are asking that this chemical sounding name that is near the bottom of the ingredient list be removed. 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.
The hydrated salt is vigorously reduced by hydroxylamine mellor 8 292 1946 1947. Copper sulfate pentahydrate can be dehydrated by heating. Within the eu copper sulphate is classified as harmful and dangerous to the environment as well as being listed as an irritant. The most important thing to note here is that the amounts of copper sulphate found in pet foods are.
Causes hydroxylamine to ignite. 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. I wonder if there was initially sound scientific research to establish the current levels of copper. I think there needs to be more research to establish safe levels of copper proteinate.
To give enough amount of copper dogs need to eat food contains of copper. The guy at the pet store emailed the company and had them send me the reason copper sulphate is in the food. Water is a poison at too high of levels. 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.
Copper sulfate is a very common and effective copper source used in petfoods. Serves as a weak oxidizing agent.