How much blood is collected in each crocodile raised for 3 to 4 years, and the output of crocodile blood freeze-dried powder is

50- 100 ml, the recovery rate is affected by the amount of blood collected and freeze-drying technology. The blood collection of crocodiles is related to the individual's body shape and health status. According to practical experience, the blood collection of each crocodile aged 3-4 years is about 50- 100 ml. The output of crocodile blood freeze-dried powder is affected by many factors such as blood collection, freeze-drying technology and operation process. There is no detailed data on the output of crocodile blood freeze-dried powder.