Blood is an important component in the body that allows animals to live normally. But when dogs and cats have anemia, which means the amount of red blood cells and hemoglobin in the body decreases, it causes less oxygen to be transported to nourish the cells in the body. This affects the functioning of the organs in the body, causing the dog and cat's body to show abnormal symptoms, such as fatigue, easy fatigue, loss of appetite. This anemia can also cause many other diseases. In order to prevent our pets from being harmed to life, let's understand anemia. Normally, red blood cells have the function of transporting oxygen from breathing into cells throughout the body, using "hemoglobin" and carrying waste in the form of carbon dioxide out of the cells to be eliminated from the body.