Though all the Vitamins are important in their own way lets talk about the significance of Vitamin C for dogs. Dogs and cats secrete the same oily cholesterol from their skin just like us.
All plants and most animals make their own supply of ascorbic acid vitamin C.
How do dogs make their own vitamin c?. Sheep for example exceed 50000mg of vitamin c per day when sick. The reaction that occurs inside the box is where things get tricky. Ultraviolet Sources In humans and in many animal species exposure to ultraviolet light in the form of sunshine is enough to produce a sufficient amount of vitamin D to maintain good health.
Pelleting and extrusion processes involve heat and pressure although to different degrees. When they lick their body to groom or clean themselves they ingest the vitamin D orally. Their bodies are truly unique in a way that dogs can make their own Vitamin C 1.
We are the exception here not the norm. Ask a holistic Vet what they think about supplemental Vitamin C any I know of would say its good to supplement. Because the source of vitamin C within a diet usually comes from the pelletsextruded kibble finding a heat-and-storage-stable vitamin C source was important to the animal.
Guinea pigs capybaras the fruit bats and a number of bird species. What does that have to do with vitamins. And in dogs Vitamin C is synthesized in their liver.
While humans require vitamin C from the diet the bodies of cats and dogs can make their own vitamin C so you wont see deficiency in our cats and dogs so even more reason not to supplement. Calcium oxalate stones can form in the bladder or kidney of dogs and cats. During the Age of Exploration when human beings started making long journeys on sailing ships the sailors.
In fact dogs can make vitamin C on their own in the presence of sunlight just like human beings can produce their own vitamin D in the presence of sunlight. Both cats and dogs are able to synthesize their own vitamin C in their liver. Vitamin C ascorbic acid is also a water-soluble vitamin and has a primary metabolic role in the body of all mammals involving the synthesis or production of collagen.
Humans need to take much more than they do. Most vertebrate species like dogs and cats possess a functioning enzyme that is. Taking large doses of Vitamin C can be useful in fighting a number of our ailments including the common cold.
In the past people didnt believe they could ever suffer a deficiency of vitamin D as humans can produce it on their own. The only animals that cant make their own vitamin C are the haplorhine primates also called dry-nosed primates which includes us the cavy rodents eg. When vitamin C supplements are added to a dogs diet the dogs own ability to produce vitamin C is shut down perhaps permanently.
Vitamins are some of the nutrients that are very much essential in your dogs diet. Although their coverage prevents them from absorbing the UV vitamin D directly the act of grooming namely the plucking of feathers and licking of fur transfers small quantities of vitamin D stored externally into the digestive system enabling the animals to process vitamin D internally. True dogs can make vit C in their bodies but if a dog is stressed or sick their bodies output of vitamin C can quickly be depleted.
A dog synthesizes as much vitamin C as it typically needs through its liver using trace minerals in takes in through its diet. Grass and hay is a good vitamin D source but furry and feathered creatures have another way of getting their vitamin D. People either never had this ability or lost it through the ages.
Animals tend to increase c production when sick or injured. When they lay in the sun that oil is again converted to Vitamin D3. We humans lost this ability long ago requiring us to obtain vitamin C from plant sources.