2, hardness: pig blood feels hard and easy to break; Duck blood feels elastic and slippery.
3, color: pig blood is dark red; Duck blood is darker and crimson than pig blood.
4. Slice: The pig blood is rough, and irregular holes can be seen at the slice; The cross section of duck blood is smooth, and there are almost no pores at the cross section.
Second, how to distinguish between true and false pig blood 1, look: Look at the color of pig blood, the real pig blood is dark red, and the pig blood section has pores. If the fake pig blood mixed with pigment or blood red is bright red, the cross section has no pores.
2, feel: real pig blood feels hard and easy to break, while fake pig blood has high elasticity and will not break.
3, smell: real pig blood has a fishy smell but is relatively light, and fake pig blood generally has no taste.