572 



Fishery Bulletin 91(3), 1993 



isotonic fit estimates of / 50 , l ls or percent meat 

 weight retention because bad data for small 

 sizes will not affect the fit to large sizes. The 

 same may not be true of parametric fits. 



Acknowledgements 



This work would not have been possible 

 without the logistical support provided by 

 K.S. Naidu and the programing assistance 

 of Noel Cadigan, both of the Department of 

 Fisheries and Oceans, St. John's, Newfound- 

 land, Canada. 



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