Patents Assigned to Havbrukskjemi A/S
  • Method of determining absorbed nutriment in living organisms
    Patent number: 4970146
    Abstract: A method of determining the amount of nutriment absorbed in living organisms comprising animals, fish and plants comprises adding to the animal, fish or plant food one or more elements from the lanthanide series as tracers. After the nutriment has been absorbed, a sample is taken from a localized part of the living organism, for example a fish scale, and the sample is analyzed by ICP (inductively coupled plasma) to determine the amount of tracer and thus the amount of absorbed nutriment in the living organism.
    Type: Grant
    Filed: September 11, 1987
    Date of Patent: November 13, 1990
    Assignee: Havbrukskjemi A/S
    Inventor: Harald Skjervold