FISHERY BULLETIN: VOL. 85. NO. 4 



that the technique has yet to be successfully 

 demonstrated under commercial conditions. 



ACKNOWLEDGMENTS 



The authors express their appreciation to 

 Thomas Dark, Mark Wilkins, and Kenneth Wein- 

 berg of the Resource Assessment and Conserva- 

 tion Engineering Division, Northwest and 

 Alaska Fisheries Center, NMFS, for collecting 

 fish and their biological data during their bottom 

 trawl survey; to Z. Kabata and D. J. Whitaker of 

 the Department of Fisheries and Oceans, Fish- 

 eries Research Branch, Pacific Biological Station, 

 Nanaimo, B.C., Canada, for undertaking the 

 enormous work of enumerating the white and 

 black pseudocysts and identifying each Kudoa 

 paniformis and K. thyrsitis for this study; to Russ 

 Kapperman, Mathematical Statistician, Fish- 

 eries Data and Management System Division, 

 Northwest and Alaska Fisheries Center, NMFS, 

 for setting up and running the valuable computer 

 program for the robust locally weighed regression 

 curves; and to Carla Stehr, Fishery Research Bi- 

 ologist, Environmental Conservation Division, 

 Northwest and Alaska Fisheries Center, NMFS, 

 for providing the photomicrographs of both the /T. 

 paniformis and K . thyrsitis . 



LITERATURE CITED 



BiLiNSKi, E., Y. C Lau. and R. E E. Jonas 



1977. Objective measurement and control of the firmness 

 of canned herring. Tech. Rep. Mar. Fish. Serv. 727, 22 

 p. Ind., Technol. Insp. Dir., Dep. Fish. Environ., Van- 

 couver, BC, Can. 

 Bourne, M. 



1982. Food texture and viscosity: Concept and measure- 

 ment (food science and technology). Acad. Press, Inc., 

 N.Y., 312p. 

 Cleveland, W S. 



1979. Robust locally weighed regression and smoothing 

 scatterplots. J. Am. Stat. Assoc, Theory Methods Sect. 

 74(368):829-836. 

 Dark, T A 



1985. Pacific whiting, Merluccius productus: The re- 

 source, the industry, and a management history — Intro- 

 duction. Mar. Fish. Rev. 47(2):1. 

 Hull, C. H, AND N H NiE. 



1981. SPSS update 7-9 new procedures and facilities for 

 releases 7-9. McGraw-Hill Book Co., N.Y., 402 p. 



Kabata. Z , and D. J. Whitaker. 



1981. Two species of Kudoa (Myxosporea: Multivalvulida) 

 parasite in the flesh of Merluccius productus (Ayres, 

 1855) (Pisces: Teleostei) in the Canadian Pacific. Can. 

 J. Zool. 59:2085-2091. 



1986. Distribution of two species of Kudoa (Myxo- 

 zoa:Multivalvulida) in the offshore population of the 

 Pacific hake, Merluccius productus (Ayres, 1988). Can. 

 J. Zool. 64:2103-2110. 

 Konagaya, S. 



1982. A review of the abnormal conditions of fish meat: 

 Jellied meat and yake-niku, spontaneously done 

 meat. (In Jpn.) Collected Reprints 1982-1983 from the 

 Tokai Regional Fisheries Research Laboratory B713, p. 

 379-388. Tokyo, Japan. 



Nagahisa, E.. S Nishimura, and T. Fujita 



1983. Kamaboko-forming ability of the jellied meat of 

 Pacific hake. (In Jpn.) Bull. Jpn. Soc. Sci. Fish. 

 49(6):901-906. Translated by George Kudo, Utilization 

 Res. Div., Northwest Alaska Fish. Cent., Natl. Mar. Fish. 

 Serv., NOAA, 2725 Montlake Boulevard East, Seattle, 

 WA 98112. 



Nelson, R. W , H J Barnett, and G Kudo. 



1985. Preservation and processing characteristics of 

 Pacific whiting, Merluccius productus. Mar. Fish. Rev. 

 47(2):60-74. 

 NiE, N. H., C H. Hull, J. G Jenkins, K, Steinbrenner, and D. H. 

 Bent 



1970. Statistical package for the social sciences. 2d ed. 

 McGraw-Hill, Inc., N.Y., 657 p. 

 Oppenheimer, C H. 



1962. Fish as food. In George Borgstrom (editor). On 

 marine fish diseases. Vol. 2, p. 541-566. Acad. Press, 

 N.Y. 

 Patashnik, M. H , S. Groninger, Jr . H. Barnett, G Kudo, and 



B KOURY. 



1982. Pacific whiting, Merluccius productus: 1. Abnor- 

 mal muscle texture caused by myxosporidian-induced 

 proteolysis. Mar. Fish. Rev. 44(5): 1-12. 

 Robins, C R , R M Baily, C E Bond, J R Brooker, E. A. Lach- 

 ner. R N Lea. and W. B Scott. 



1980. A list of common and scientific names of fishes from 

 the United States and Canada. Am. Fish. Soc. Spec. 

 Publ. No. 12, p. 76. 

 TSUYUKI. H., S. H. WiLLISCROFT, Z.KaBATA. AND D. J. WHITAKER. 

 1982. The relationship between acid and neutral protease 

 activities and the incidence of soft cooked texture in the 

 muscle tissue of Pacific hake (Merluccius productus ) in- 

 fected with Kudoa paniformis and/or K. thyrsitis, and 

 held for varying times under different pre-freeze chilled 

 storage conditions. Can. Tech. Rep. Fish. Aquat. Sci. 

 No. 1130, 39 p. 

 Weinberg, K. L , M E. Wilkins, and T A Dark. 



1984. The 1983 Pacific West Coast bottom trawl survey of 

 groundfish resources: Estimates of distribution, abun- 

 dance, age, and length composition. U.S. Dep. Commer. 

 NOAA Tech. Memo. NMFS-F/NWC-70, 376 p. 



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