A note on the inverse function of the von Bertalanffy growth function

Mackay, D.; Moreau, J.

A note on the inverse function of the von Bertalanffy growth function

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Mackay, D.

Moreau, J.

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Parameter estimates of the von Bertalanffy growth function (VBGF) and its inverse function, based on length-at-age and age-at-length data for Tilapia rendalli (Cichlidae) and Salmo trutta (Salmonidae) were derived using a variety of "direct" and "indirect" fitting methods. The results obtained by different fitting methods are similar, except when the obvious is ignored: the data must cover the same range of lengths and ages and their weighting factors must be the same.