A study conducted on intact and castrated male rats with cannulated biliary-pancreatic ducts has shown that long-term protein deficiency in the ration leads to decreased secretion of pancreatic juice, lowers activity of amylase, alkaline ribonuclease, trypsin, lipase in the juice, and changes pancreatic response to the action of secretin, pancreozymin or their mixture, that is especially pronounced in the castrated rats.
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