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Kelp and Alfalfa
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Kelp is a good source of iodine, a natural antibiotic, and a range of trace minerals. It also contains 21 amino acids and both simple and complex carbohydrates. Veterinarian Ian Billinghurst advises that adding kelp can help to promote glandular health.
Alfalfa contains a good range of vitamins including A, B complex, C, D and E. It can help the body absorb protein, calcium and other nutrients. Styles recommends mixing 1 part kelp with 3 parts alfalfa and incorporating 1 1/2 teaspoons for an 80-pound dog.
Fatty Acids
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The balance of omega-3 and and 6 essential fatty acids (EFAs) in a diet is important, particularly in relation to inflammatory disease, and a supplement might be considered.
Flaxseed is a prebiotic, a good source of fiber and omega-3. It also contains compounds called lignans, which enthusiasts point out have been shown to have positive health benefits.
Cod liver oil contains both omega-3 and vitamins A and D. Billinghurst advises daily cod liver oil for dogs, enough to supply 20 to 40 iu of vitamin A per pound of body weight.
Omega-6 fatty acids in a raw diet normally come from the inclusion of offal and raw meat. If there is a deficiency diagnosed then the diet can be supplemented with evening primrose oil.
Garlic
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Garlic has some anti-microbial properties and is a source of minerals. Billinghurst recommends adding garlic to the diet as a boost for the immune system, particularly against possible infections of the upper respiratory tract. It can also help to stabilize blood pressure.
Whole egg
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Billinghurst promotes the addition of whole egg (minus shell) to the diet, as an excellent source of high quality protein. Eggs also contain a good range of minerals and vitamins, The yolk contains amino acids, biotin, vitamin A, EFAs and zinc and is recommended for dogs with skin problems.
Leafy Green Vegetables
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For those looking to mimic the evolutionary diet of our dogs’ ancestors, the addition of green leafy vegetables is recommended. They contain a range of nutrients including vitamins, minerals, antioxidants and both soluble and insoluble fiber. Vegetables should be pureed to break down the cell walls.
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Supplements for Raw Feeding for Dogs
Whether supplements are necessary when raw feeding dogs is open to debate. Experts, for example, are divided over the necessity of including regular vitamin and mineral supplements. Holistic veterinarian Emma Styles suggests that if an owner is unsure about the completeness or quality of the food he is feeding his pet, then some minor supplementation is not only safe but also gives peace of mind.