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.
Share to:   One gram of carbohydrate contains approximately 4 calories. If the cereal contains 30 grams of carbohydrate, this would mean that 120 calories come from carbohydrates. 1 â¦ 20 calories is 50% of 240; therefore, carbohydrates comprise of 50% of the total calories for your cereal. 4 people found this useful. A Keats.