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.
Calories in food come from carbohydrates, proteins and fats. Carbohydrates contain 4 calories per gram, the same as proteins. Fats contain 9 calories per gram. Although calories from carbohydrates are all the same, their nutritional values aren't. Find the nutritional index on the food packaging. The index lists the number of carbohydrate grams per serving.