Hello I have bought several pieces of fresh chicken (muscle and liver) from the market and used 2 different commercial kit "Animal tissue DNA extraction". Both of these kits were based on Guanidinium thiocyanate, Prot K and columns. No DNA was extracted! Both of kits are working with samples from other species (e.g. sheep and cows blood). Is there any specific hint/tips for DNA extraction from fresh chicken tissue? P.S. I am doing DNA extraction for several years :)

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