2.It is indicated that 4mol/L HC1 insoluble ash can replace Cr2O3 when determining the ileum apparent digestibility of dry matter, crude protein and amino acids.
5.3 growing pigs, average initial weight was 40 ? . 5 kg, with T simple cannula were used to compare the ileum apparent digestibility of dry matter, crude protein and amino acids in the hydrolyzed feather meal after using two different markers (Cr2O3 and 4mol/L HC1 insoluble ash).
