It can happen within hours or prevent flea infestation for an entire month. Since fleas feed on blood, giving an oral anti flea medication to your dog is a great way to poison the fleasâ food source.There are three different medications that do just this.t can happen within hours or prevent flea infestation for an entire month. Since fleas feed on blood, giving an oral anti flea medication to your dog is a great way to poison the fleasâ food source.
Calorie Content. One g of carbohydrate or protein contains 4 calories while 1 g of fat provides 9 calories. One large white bagel contains 70 g of carbohydrate while one cup of brown rice contains 45 g.
The calories in food come from carbohydrates, proteins, and fats. A gram of carbohydrate contains 4 calories. A gram of protein also contains 4 calories. A gram of fat, though, contains 9 calories â more than twice the amount of the other two. That's why one food with the same serving size as another may have far more calories.