To prevent clotting after blood collection defibrination or treatment with anticoagulants are necessary.
Lívia Silva-Cardoso, Felipe A. Dias, Patricia Fampa, Miria G. Pereira, Georgia C.Atella 2018, 'Evaluating the effects of anticoagulants on Rhodnius prolixus artificial blood feeding',PLOS ONE10.1371/journal.pone.0206979. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)