In addition, IAS 41 does not contain any specific information referring how often one
should estimate the biological assets. We can conclude that that the estimation must be
conducted on each closure, because the standard does not state any information on how
frequent the estimation must be run. As explanation, IASB stated the availability of fair values on relative expected costs, and the consistent progress of biological transformations. The fair value estimation for agricultural produce at the harvesting point is strictly controlled compared to biological assets (according to IAS 41). Therefore, harvested cereal,