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.
How many calories are there in a gram of fat? Each gram of fat contains 9 calories. Compare this to protein or carbohydrates, which each contain 4 calories per gram, and you can see why a diet high in fat can lead to weight gain. Calorie Density. Sources of calories for the body are divided into those from fat, carbohydrates, protein, and alcohol.