Foods that contain a lot of protein include: milk of livestock, such as cow’s milk, goat’s milk, horse’s milk, etc.; meat of livestock, such as cow, sheep, pig, dog, etc.; poultry, such as chicken, duck, goose, quail, ostrich, etc.; eggs, such as eggs, duck eggs, quail eggs, etc. and fish, shrimp, crab, etc.; and soybeans, including soybeans, green beans and black beans, etc. The following is the amount of protein per 100 grams of food: oats 15.6 lotus seeds 16.6 soybeans 36.3 fava beans 28.2 pork (lean) 16.7 pork heart 19.1 pork liver 21.3 pork kidney 15.5 pork skin 26.4 peanuts 26.2 tofu skin 50.5 pig blood 18.9 walnuts 15.4 silver carp 17.0 rabbit 2l 2 chicken 23.3 beef (lean) 20.3 chicken liver 18.2 Duck meat 16.5 Egg 14.7 Lobster 16.4 Lamb (lean) 17.3 Sea cucumber (dried) 76.5 If you are 50 kg and your daily protein intake is 1.2 g/kg, then your daily protein intake is 6 g. This allows you to plan your daily intake.