A review of the myxosporean genus Kudoa Meglitsch, 1947, and its impact on the international aquaculture industry and commercial fisheries

Aquaculture

Volumn 172, Issue 1-2, 1999, Pages 163-196

  Moran, J D W ^a,b   Whitaker, D J ^b   Kent, M L ^b  

^a SIMON FRASER UNIVERSITY   (Canada)

^b PACIFIC BIOLOGICAL STATION   (Canada)

Author keywords

Aquaculture; Fisheries; Kudoa spp.; Myxosporean parasite; Post mortem myoliquefaction; Soft flesh disease

Indexed keywords

POLYMERASE CHAIN REACTION; RIBOSOMAL DNA; TAXONOMY;

AQUACULTURE; PARASITE;

KUDOA; MYXOSPOREA; MYXOZOA; TELEOSTEI;

EID: 0033104348     PISSN: 00448486     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0044-8486(98)00437-2     Document Type: Review

References (127)

1. Anderson, J.A., 1985. A morphological and histological study of Kudoa spp. (Myxozoa, Myxosporea) in four Pacific marine fishes. Master of Science thesis, Oregon State University, 101 pp.
2. Barja J.L., Toranzo A.E. Myoliquefaction post-mortem caused by the myxosporean Kudoa thyrsites in reared Atlantic salmon in Spain. Bull. Eur. Assoc. Fish Pathol. 13:1993;86-88.
3. Blazer V.S. Piscine macrophage function and nutritional influences: a review. J. Aquat. Anim. Health. 3:1991;77-86.
4. Bunton T.E., Poynton S.L. Kudoa sp. (Myxosporea, Multivalvulida) infection in juvenile white perch, Morone americana (Gmelin): histopathology and spore morphology. J. Fish Dis. 14:1991;589-594.
5. Canning E.U., Okamura B., Curry A. Development of a myxozoan parasite Tetracapsula bryozoides gen.n. et sp.n. in Cristatella mucedo (Bryozoa: Phylactolaemata). Folia Parasitol. 43:1996;249-261.
6. Castro R., Burgos R. Kudoa thyrsites (Myxozoa, Multivalvulida) causing 'milky condition' in the musculature of Paralichthys adspersus (Neopterygii, Pleuronectiformes, Paralichthyidae) from Chile. Mem. Inst. Oswaldo Cruz. 91:1996;163-164.
7. Davies A.J., Andrews T., Upton N.P.D., Matthews R.A. Kudoa as a contributary cause of muscle necrosis in gobies. Bull. Eur. Assoc. Fish Pathol. 18:1998;62-66.
8. Di Antonio E., Cenci Goga B.T. Reperti parassitari riferibili a cisti di Kudoa clupeidae nel tessuto muscolare di merluzzi (Merluccius hubbsi) congelati. Boll. Soc. Ital. Patol. 11:1993;44-52. (in Italian).
9. Dyková I., Lom J., Overstreet R.M. Myxosporean parasites of the genus Kudoa Meglitsch, 1947 from some Gulf of Mexico fishes: description of two new species and notes on their ultrastructure. Eur. J. Protistol. 30:1994;316-323.
10. Egusa S. Disease problems in Japanese yellowtail, Seriola quinqueradiata, culture: a review. Rapp. P.-V. Réun. Cons. Int. Explor. Mer. 182:1983;10-18.
11. Egusa S. The order Multivalvulida Shulman, 1959 (Myxozoa; Myxosporea): a review. Fish Pathol. 21:1986;261-274. (in Japanese).
12. Egusa S., Nakajima K. Kudoasis of cultured yellowtail. Fish Pathol. 13:1978;1-7. (in Japanese).
13. Egusa S., Nakajima K. Kudoa amamiensis n.sp. (Myxosporea: Multivalvulida) found in cultured yellowtails and wild damselfishes from Amami-Ohshima and Okinawa. Japan. Bull. Jpn. Soc. Sci. Fish. 46:1980;1193-1198.
14. Egusa S., Shiomitsu T. Two new species of the genus Kudoa (Myxosporea: Multivalvulida) from marine cultured fishes in Japan. Fish Pathol. 18:1983;163-171. (in Japanese).
15. El-Matbouli M., Hoffmann R.W. Prevention of experimentally induced whirling disease in rainbow trout Oncorhynchus mykiss by Fumagillin. Dis. Aquat. Org. 10:1991;109-113.
16. Escós J., Alados C.L., Emlen J.M., Alderstein S. Developmental instability in the Pacific hake parasitized by myxosporeans Kudoa spp. Trans. Am. Fish. Soc. 124:1995;943-945.
17. Fujita T. On a new Myxosporidia in the muscle of the gray-mullet Chloromyxum bora nov.sp. Dobutsugaku Zasshi. 42:1930;45-48. (in Japanese).
18. Gaevskaya A.V., Kovaleva A.A. Infestation of commercial species from the eastern central Atlantic by Kudoa nova. Rybn. Khoz. 4:1981;48. (in Russian).
19. Gelormini, N., 1943(1944). Un nuevo parásito de la merluza. Rev. Fac. Agron. Vet. Univ. B. Aires 3, 458-463.
20. Gilchrist J.D.F. A protozoal parasite (Chloromyxum thyrsites sp.n.) of the Cape sea-fish, the 'snoek' (Thyrsites atun, Euphr.). Trans. R. Soc. S. Afr. 11:1924;263-273.
21. Hahn C.W. Sporozoan parasites of certain fishes in the vicinity of Woods Hole, Massachusetts. Fish. Bull. (Wash. DC). 33:1915;193-214.
22. Hahn C.W. On the sporozoan parasites of the fishes of Woods Hole and vicinity: III. On the Chloromyxum clupeidae of Clupea harengus (Young), Pomolobus pseudoharengus (Young), and P. aestivalis (Young). J. Parasitol. 4:1917;13-20.
23. Hallett S.L., O'Donoghue P.J., Lester R.J.G. Infections by Kudoa ciliatae (Myxozoa: Myxosporea) in Indo-Pacific whiting Sillago spp. Dis. Aquat. Org. 30:1997;11-16.
24. Harrell L.W., Scott T.M. Kudoa thyrsitis (Gilchrist) (Myxosporea: Multivalvulida) in Atlantic salmon, Salmo salar L. J. Fish Dis. 8:1985;329-332.
25. Heckmann R.A., Jensen L.A. The histopathology and prevalence of Henneguya sebasta and Kudoa clupeidae in the rockfish, Sebastes paucispinis of southern California. J. Wildl. Dis. 14:1978;259-262.
26. Hedrick R.P., Groff J.M., Foley P., McDowell T. Oral administration of Fumagillin DCH protects chinook salmon Oncorhynchus tshawytscha from experimentally-induced proliferative kidney disease. Dis. Aquat. Org. 4:1988;165-168.
27. Hervio D.M.L., Kent M.L., Khattra J., Sakanari J., Yokoyama H., Devlin R.H. Taxonomy of Kudoa species (Myxosporea), using a small-subunit ribosomal DNA. Can. J. Zool. 75:1997;2112-2119.
28. Heupel M.R., Bennett M.B. A myxosporean parasite (Myxosporea: Multivalvulida) in the skeletal muscle of epaulette sharks, Hemiscyllium ocellatum (Bonnaterre), from the Great Barrier Reef. J. Fish Dis. 19:1996;189-191.
29. Higgins M.J., Kent M.L. Field trials with Fumagillin for the control of proliferative kidney disease in coho salmon. Prog. Fish-Cult. 58:1996;268-272.
30. Hoffman G.L., Putz R.E. Host susceptibility and the effect of aging, freezing, heat, and chemicals on spores of Myxosoma cerebralis. Prog. Fish-Cult. 31:1969;35-37.
31. Holliman A. Sea trout, Salmo trutta, a new host for the myxosporean Kudoa thyrsites (Gilchrist)? Vet. Rec. 134:1994;524-525.
32. Iskov, V.M., 1989. Myxosporea. No. 4 of Vol. 37. Markevich, A.P., Shulman, S.S. (Eds.), Sporozoa, Cnidosporidia, Microsporidia. In: Topachevski, V.A. (Ed.), Fauna of the Ukraine. Naukova Dumka, Kiev, 209 pp. (in Russian).
33. Iskov, V.M., 1989. Myxosporea. No. 4 of Vol. 37. Markevich, A.P., Shulman, S.S. (Eds.), Sporozoa, Cnidosporidia, Microsporidia. In: Topachevski, V.A. (Ed.), Fauna of the Ukraine. Naukova Dumka, Kiev, 209 pp. (in Russian).
34. Iversen E.S., Van Meter N.N. A new myxosporidian (Sporozoa) infecting the Spanish mackerel. Bull. Mar. Sci. 17:1967;268-273.
35. Joy J.E. A new species of Kudoa (Myxosporidea: Chloromyxidae) from the spot, Leiostomus xanthurus Lacepede, in Clear Lake, Texas. J. Protozool. 19:1972;264-265.
36. Kabata Z. On two myxosporidian parasites of marine fishes, including one new species (Ceratomyxa tenuispora). Ann. Mag. Nat. Hist. Ser. 13. 3:1960;305-308.
37. Kabata Z., Whitaker D.J. Two species of Kudoa (Myxosporea: Multivalvulida) parasitic in the flesh of Merluccius productus (Ayres, 1855) (Pisces: Teleostei) in the Canadian Pacific. Can. J. Zool. 59:1981;2085-2091.
38. Kabata Z., Whitaker D.J. Distribution of two species of Kudoa (Myxozoa: Multivalvulida) in the offshore population of the Pacific hake, Merluccius productus (Ayres, 1855). Can. J. Zool. 64:1986;2103-2110.
39. Kabata Z., Whitaker D.J. Kudoa thyrsites (Gilchrist, 1924) (Myxozoa) in the cardiac muscle of Pacific salmon (Oncorhynchus spp.) and steelhead trout (Salmo gairdneri). Can. J. Zool. 67:1989;341-342.
40. Kabata Z., Whitaker D.J., Bagshaw J.W. Kudoa thyrsites (Gilchrist) (Myxosporea: Multivalvulida) in coho salmon, Oncorhynchus kisutch (Walbaum). Can. J. Zool. 64:1986;1038-1040.
41. Kalavati C., Anuradha I. Two new species of myxosporeans infecting Valamugil cunnesius in Vishakhapatnam harbour, east coast of India. Uttar Pradesh J. Zool. 13:1993;148-152.
42. Kent, M.L., 1992. Diseases of seawater netpen-reared salmonid fishes in the Pacific northwest. Can. Spec. Publ. Fish. Aquat. Sci. 116, 76 pp.
43. Kent M.L., Margolis L., Corliss J.O. The demise of a class of protists: taxonomic and nomenclature revisions proposed for the protist phylum Myxozoa Grassé, 1970. Can. J. Zool. 72:1994;932-937.
44. Kent M.L., Margolis L., Whitaker D.J., Hoskins G.E., McDonald T.E. Review of Myxosporea of importance in salmonid fisheries and aquaculture in British Columbia. Folia Parasitol. 41:1994;27-37.
45. Kovaleva A.A., Gaevskaya A.V. The first report of fish Myxosporidia from the open waters of the southeastern Pacific Ocean. Vestn. Zool. 1:1983;6-11. (in Russian).
46. Kovaleva A.A., Gaevskaya A.V. New species of the genera Kudoa and Pentacapsula (Myxosporidia Multivalvulea) with unusual location. Zool. Zh. 63:1984;1090-1092. (in Russian).
47. Kovaleva A.A., Shulman S.S., Yakovlev V.N. Myxosporidia of the genus Kudoa (Myxosporidia, Multivalvulida) of the Atlantic Ocean basin. Tr. Zool. Inst. Akad. Nauk SSSR. 87:1979;42-64. (in Russian).
48. Krasin, V.K., 1976. Myxosporidian and microsporidian infections of the musculature of fish in the northeastern part of the Pacific Ocean. Kratkie Tezisy Dokladov II Vsesoyuuznogo Simpoziuma po Parazitam I Boleznyam Morskikh Zhivotnykh. Ministerstvo Rybn. Khoz. SSSR, AtlantNIRO, Kaliningrad, USSR, pp. 35-36 (in Russian).
49. Kudo G., Barnett H.J., Nelson R.W. Factors affecting cooked texture quality of Pacific whiting, Merluccius productus, fillets with particular emphasis on the effects of infection by the myxosporeans Kudoa paniformis and K. thyrsites. Fish. Bull. 85:1987;745-755.
50. Langdon J.S. Observations on new Myxobolus species and Kudoa species infecting the nervous system of Australian fishes. J. Appl. Ichthyol. 6:1990;107-116.
51. Langdon J.S. Myoliquefaction post-mortem ('milky flesh') due to Kudoa thyrsites (Gilchrist) (Myxosporea: Multivalvulida) in mahi mahi, Coryphaena hippurus L. J. Fish Dis. 14:1991;45-54.
52. Langdon J.S., Thorne T., Fletcher W.J. Reservoir hosts and new clupeoid host records for the myoliquefactive myxosporean parasite Kudoa thyrsites (Gilchrist). J. Fish Dis. 15:1992;459-471.
53. Laskowski M., Kato I. Protein inhibitors of proteinases. Annu. Rev. Biochem. 49:1980;593-626.
54. Llicán L.R., Terán L.V., Luque J.L., Oliva M.E. Aspectos cuanitativos de la infeccion por Kudoa sciaenae Teran, Llicán y Luque, 1990 (Myxozoa: Multivalvulidae) en la musculatura somatica de Stellifer minor (Pisces: Sciaenidae). Estud. Oceanol. 10:1991;123-125. (in Spanish).
55. Lom J., Arthur J.R. A guideline for the preparation of species descriptions in Myxosporea. J. Fish Dis. 12:1989;151-156.
56. Lom J., Dyková I. Sporogenesis and spore structure in Kudoa lunata (Myxosporea, Multivalvulida). Parasitol. Res. 74:1988;521-530.
57. Lom, J., Dyková, I., 1992. Protozoan Parasites of Fishes, Elsevier, Amsterdam, 315 pp.
58. Lom, J., Dyková, I., 1995. Myxosporea (phylum Myxozoa). In: Woo, P.T.K. (Ed.), Fish Diseases and Disorders, Vol. 1, Protozoan and Metazoan Infections. CAB International, Wallingford, UK, pp. 97-148.
59. Lom J., Dyková I., Lhotáková S. 1 Kudoa lunata n.sp. (Myxozoa, Myxosporea) and notes on the nature of muscular 'cysts' of the genus Kudoa. Arch. Protistenkd. 127:1983;387-397.
60. Lom J., Rohde K., Dyková I. Studies on protozoan parasites of Australian fishes: I. New species of the genera Coccomyxa Leger et Hesse, 1907, Ortholinea Shulman, 1962 and Kudoa Meglitsch, 1947 (Myxozoa Myxosporea). Folia Parasitol. 39:1992;289-306.
61. Maeno Y., Nagasawa K., Sorimachi M. Kudoa intestinalis n.sp. (Myxosporea: Multivalvulida) from the intestinal musculature of the striped mullet, Mugil cephalus, from Japan. J. Parasitol. 79:1993;190-192.
62. Marsal, R., 1994. The implications of Kudoa thyrsites for the British Columbia salmon farming industry. Masters of Aquaculture Professional Paper, Simon Fraser University, Burnaby, British Columbia, 56 pp.
63. Mateo, E.S., 1972. Investigacion parasitologica de la merluza (Merluccius gayii peruanus). Convenio entre el Instituto del mar y la Universidad Nacional Federico Villarreal, Inst. Mar Peru, 13 pp.
64. Matsumoto K. On the two new Myxosporidia, Chloromyxum musculoliquefaciens sp.nov. and Neochloromyxum cruciformum gen. et sp.nov., from the jellied muscle of swordfish, Xiphias gladius Linne, and common Japanese sea-bass, Lateolabrax japonicus (Temminck et Schlegel). Bull. Jpn. Soc. Sci. Fish. 20:1954;469-479.
65. McDonald, T.E., Margolis, L., 1995. Synopsis of the parasites of fishes of Canada: Supplement (1978-1993). Can. Spec. Publ. Fish. Aquat. Sci. 122, 265 pp.
66. Meglitsch P.A. Studies on Myxosporidia from the Beaufort Region: II. Observations on Kudoa clupeidae (Hahn), gen. nov. J. Parasitol. 33:1947;271-277.
67. Meglitsch P.A. On Kudoa funduli (Hahn). Trans. Am. Microsc. Soc. 67:1948;271-274.
68. Morado J.F., Sparks A. Observations on the host-parasite relations of the Pacific whiting, Merluccius productus (Ayres), and two myxosporean parasites, Kudoa thyrsitis (Gilchrist, 1924) and K. paniformis Kabata and Whitaker, 1981. J. Fish Dis. 9:1986;445-455.
69. Moran, J.D.W., Kent, M.L., 1999. Kudoa thyrsites (Myxozoa: Myxosporea) infections in pen-reared Atlantic salmon in the eastern North Pacific Ocean, with a survey of potential nonsalmonid fish reservoir hosts. J. Aquat. Anim. Health, in press.
70. Moran, J.D.W., Kent, M.L., Khattra, J., Webster, J.M., 1998. Endogenous development of the myxosporean parasite associated with post-mortem myoliquefaction. Abstracts of the 39th Annual Western Fish Disease Workshop, American Fisheries Society, 24-26 June 1998, Parksville, British Columbia, p. 24.
71. Moran, J.D.W., Whitaker, D.J., Kent, M.L., 1999. Natural and laboratory transmission of the marine myxosporean parasite Kudoa thyrsites (Gilchrist, 1924) to Atlantic salmon. J. Aquat. Anim. Health, in press.
72. Moser, M., Kent, M.L., 1994. Myxosporea. In: Kreier, J.P. (Ed.), Parasitic Protozoa, 2nd edn., Vol. 8. Academic Press, San Diego, CA, USA, pp. 265-318.
73. Moser M., Love M.S., Jensen L.A. Myxosporidia (Protozoa) in California rockfish, Sebastes spp. J. Parasitol. 62:1976;690-692.
74. Naidenova N.N., Gaevskaya A.V. Kudoa mirabilis sp.n. (Myxosporidea, Multivalvulea) from ribbonfish of the Indian Ocean. Hydrobiol. J. 27:1991;66-68.
75. Naidenova, N.N., Shulman, S.S., Donets, Z.S., 1975. Protozoa, Mastigophora, Sporozoa, Cnidosporidia, Plasmosporidia. In: Key to the Parasites of Vertebrates of the Black and Azov Seas. Naukova Dumka, Kiev, pp. 7-70 (in Russian).
76. Nakajima K. Kudoa amamiensis infection, or musculo-myxosporiasis in yellowtail. Nihon Juishikai Zasshi. 37:1984;673-676. (in Japanese).
77. Nakajima K., Egusa S. Kudoa pericardialis n.sp. (Myxosporidea: Chloromyxidae) from cultured yellowtail, Seriola quinqueradiata Temminck et Schlegel. Bull. Jpn. Soc. Sci. Fish. 44:1978;117-120.
78. Narasimhamurti C.C., Kalavati C. Kudoa sphyraeni n.sp. (Myxosporidia: Protozoa) parasitic in the muscles of the gut of the marine fish, Sphyraena jello. Cuv. Proc. Indian Acad. Sci. 88 B:1979;265-268. Part I. No.4.
79. Narasimhamurti C.C., Kalavati C. Kudoa tetraspora n.sp. (Myxosporidea: Protozoa) parasitic in the brain tissue of Mugil cephalus. Proc. Indian Acad. Sci. 88 B:1979;85-89. Part I. No.1.
80. Nigrelli R. Parasites and diseases of the ocean pout, Macrozoarces americanus (Bloch and Schneider). Bull. Bingham Oceanogr. Coll. 9:1946;187-221.
81. Obiekezie A.I., Lick R. Kudoa cynoglossi n.sp., a new species of Kudoa Meglitsch (Myxosporea: Multivalvulida) from the West Africa tongue sole, Cynoglossus senegalensis (Kaup) (Teleostei: Cynoglossidae). Arch. Protistenkd. 144:1994;201-205.
82. Obiekezie A.I., Möller H., Anders K. Kudoa sp. infection in the musculature of wild tongue sole, Cynoglossus senegalensis (Kaup, 1858) from the coast of west Africa. Bull. Eur. Assoc. Fish Pathol. 7:1987;38-41.
83. Oliva M., Luque J.L., Terán L., Llicán L. Kudoa sciaenae (Myxozoa: Multivalvulidae) cysts distribution in the somatic muscles of Stellifer minor (Tschudi, 1844) (Pisces: Sciaenidae). Mem. Inst. Oswaldo Cruz. 87:1992;33-35.
84. Paperna I. Kudoa infection in the glomeruli, mesentery and peritoneum of cultured Sparus aurata L. J. Fish Dis. 5:1982;539-543.
85. Paperna I., Zwerner D.E. Kudoa cerebralis sp.n. (Myxosporidea, Chloromyxidae) from the striped bass, Morone saxatilis (Walbaum). J. Protozool. 21:1974;15-19.
86. Patashnik M., Groninger H.S., Barnett H., Kudo G., Koury B. Pacific whiting, Merluccius productus: I. Abnormal muscle texture caused by myxosporidian-induced proteolysis. Mar. Fish Rev. 44:1982;1-12.
87. Pérard M.Ch. Sur une maladie du maquereau (Scomber scomber L.) due a une Myxosporidie: Chloromyxum histolyticum n.sp. C.R. Acad. Sci., Paris. 186:1928;108-110. (in French).
88. Porter R.W., Koury B., Kudo G. Inhibition of protease activity in muscle extracts and surimi from Pacific whiting, Merluccius productus, and arrowtooth flounder, Atheresthes stomias. Mar. Fish. Rev. 55:1993;10-15.
89. Robins, C.R., Bailey, R.M., Bond, C.E., Brooker, J.R., Lachner, E.A., Lea, R.N., Scott, W.B., 1991a. Common and scientific names of fishes from the United States and Canada, 5th edn. Am. Fish. Soc. Spec. Publ. 20, 183 pp.
90. Robins, C.R., Bailey, R.M., Bond, C.E., Brooker, J.R., Lachner, E.A., Lea, R.N., Scott, W.B., 1991b. World fishes important to North Americans. Am. Fish. Soc. Spec. Publ. 21, 243 pp.
91. Romano L.A., Sardella N.H., Russomando F. Ausencia de evidencias de daños histologicos en roedores alimentados con quistes mixosporidianos del genero Kudoa de filetes de Merluccius hubbsi (merluza) y de Micromesistius australis (polaca), su relacion con la salud humana. Rev. Investig. Desarro. Pesq. 8:1988;83-86. (in Spanish).
92. Sakanari, J.A., 1994. Detecting parasites in fish tissue. In: Conley, D.C. (Ed.), Kudoa Workshop Proceedings, Province of British Columbia, Ministry of Agriculture, Fisheries and Food, p. 11.
93. Sandeep B.V., Kalavati C., Narasimhamurti C.C. Kudoa atropi sp.n. (Myxosporea: Multivalvulida) a myxosporidian parasite from the gills of Atropus atropus. Vestn. Cesk. Spol. Zool. 50:1986;132-135.
94. Sardella N.H. Descripcion de la espora y de los estadios previos del mixosporidio Kudoa rosenbuschi, parasito muscular de Merluccius hubbsi. Ciclo de vido. Parasitol. al Día. 12:1988;8-13. (in Spanish).
95. Sardella N.H. Secuencia de la infestacion y reacciones tisulares en la musculatura de Merluccius hubbsi Marini ('merluza') y de Micromesistius australis Norman ('polaca') por la presencia de mixosporidios del genero Kudoa Meglitsch. Parasitol. al Día. 12:1988;13-18. (in Spanish).
96. Sardella N.H., Roldán M.I. Mixosporidiosis producida por Kudoa rosenbuschi, parasito muscular de merluza comun (Merluccius hubbsi) de pesca Argentino-Uruguaya. Frente Maritimo. 5:1989;83-85. (in Spanish).
97. Sardella N.H., Trinchero J.L., Manca E.A. Efectos del deterioro producido por mixosporidios de la especie Kudoa rosenbuschi en la musculatura de Merluccius hubbsi. Rev. Investig. Desarro. Pesq. 7:1987;105-112. (in Spanish).
98. Sarkar N.K., Chaudhury S.R. Kudoa cascasia sp.n. (Myxosporea: Kudoidae) parasitic in the mesentery of Sicamugil cascasia (Ham.) from Hooghly estuary of West Bengal, India. Acta. Protozool. 35:1996;335-338.
99. Sarkar N.K., Ghosh S. Two new coelozoic Myxosporida (Myxozoa: Myxosporea) from estuarine teleost fishes (Mugilidae) of West Bengal, India. Proc. Zool. Soc. Calcutta. 44:1991;131-135.
100. Sarkar N.K., Mazumder S.K. Studies on myxosporidian parasites (Myxozoa: Myxosporea) from marine fishes in West Bengal, India: I. Description of three new species from Tachysurus spp. Arch. Protistenkd. 127:1983;59-63.
101. Schreck, C.B., 1996. Immunomodulation: endogenous factors. In: Iwama, G., Nakanishi, T. (Eds.), The Fish Immune System: Organism, Pathogen, and Environment. Academic Press, San Diego, CA, USA, pp. 311-337.
102. Scott, W.B., Scott, M.G., 1988. Atlantic fishes of Canada. Can. Bull. Fish. Aquat. Sci. 219, 731 pp.
103. Shaw R.W., Hervio D.M.L., Devlin R.H., Adamson M.L. Infection of Aulorhynchus flavidus (Gill) (Osteichthyes: Gasterosteiformes) by Kudoa thyrsites (Gilchrist) (Myxosporea: Multivalvulida). J. Parasitol. 83:1997;810-814.
104. Shulman, S.S., 1966. Myxosporidia of the USSR. Zool. Inst., Akad. Nauk USSR, Moscow and Leningrad (Engl. Trans.: U.S. Department of the Interior, N.T.I.S., Springfield, VA), 504 pp.
105. Siau Y. Myxosporidies de Synodontis ansorgii Bouleng, Ann. et Mag. N.H. 1911 et de Eleotris (Kribia) kribensis Boulenger 1964, poissons des eaux saumatres de la lagune de Porto-Nova (Dahomey). Bull. Soc. Zool. Fr. 96:1971;563-570.
106. Sindermann C.J. Zoogeography of sea herring parasites. J. Parasitol. 45:1959;34.
107. Stehr C. Sporogenesis of the myxosporean Kudoa paniformis Kabata and Whitaker, 1981 infecting the muscle of the Pacific whiting, Merluccius productus (Ayres). J. Fish Dis. 9:1986;493-504.
108. Stehr C., Whitaker D.J. Host-parasite interaction of the myxosporeans Kudoa paniformis Kabata and Whitaker, 1981 and Kudoa thyrsites (Gilchrist, 1924) in the muscle of Pacific whiting, Merluccius productus (Ayres): an ultrastructural study. J. Fish Dis. 9:1986;505-517.
109. St-Hilaire S., Hill M., Kent M.L., Whitaker D.J., Ribble C. A comparative study of muscle texture and intensity of Kudoa thyrsites infection in farm-reared Atlantic salmon Salmo salar on the Pacific coast of Canada. Dis. Aquat. Org. 31:1997;221-225.
110. St-Hilaire S., Ribble C., Whitaker D.J., Kent M.L. Evaluation of a nondestructive diagnostic test for Kudoa thyrsites in farmed Atlantic salmon (Salmo salar). Aquaculture. 156:1997;139-144.
111. St-Hilaire S., Ribble C., Whitaker D.J., Kent M.L. Prevalence of Kudoa thyrsites in sexually mature and immature pen-reared Atlantic salmon (Salmo salar) in British Columbia, Canada. Aquaculture. 162:1998;69-77.
112. Szidat, L., 1966. Estudios sobre el Desarollo y la biologia de esporozoos parasitos de la merluza (Merluccius hubbsi Marini) Kudoa rosenbuschi (Gelormini) Szidat. Direcc. Gener. Resoa Conservación Fauna, 7 pp. (in Spanish).
113. Terán L., Llicán L., Luque J.L. Kudoa sciaenae n.sp. (Myxozoa, Multivalvulida), parasito muscular de peces de la familia Sciaenidae (Osteichthyes) en el mar Peruano. Rev. Iber. Parasitol. 50:1990;25-29. (in Spanish).
114. Thélohan P. Recherches sur les Myxosporidies. Bull. Sci. Fr. Belg. 26:1895;100-394. (in French).
115. Tripathi Y.R. Studies on parasites of Indian fishes: I. Protozoa Myxosporidia together with a check list of parasitic Protozoa described from Indian fishes. Rec. Ind. Mus. 50:1951;63-89.
116. Tsuyuki, H., Williscroft, S.N., Kabata, Z., Whitaker, D.J., 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) infected with Kudoa paniformis and/or K. thyrsitis, held for varying times under different prefreeze chilled storage conditions. Can. Tech. Rep. Fish. Aquat. Sci. 1130, 39 pp.
117. Voelker F.A., Kassel S.H., Weinberg H.D., McKee A.E. Microscopic and ultrastructural characteristics of Kudoa infection in butterfly fish (Chaetodon). Vet. Pathol. 15:1978;40-48.
118. Whitaker, D.J., 1986. Intensity of infection by two species of the myxosporean parasite Kudoa and its distribution in six areas of the flesh of Pacific hake (Merluccius productus). Can. Data Rep. Fish. Aquat. Sci. 598, 23 pp.
119. Whitaker D.J., Kabata Z. Early infection of Merluccius productus (Ayres) (Pisces: Teleostei) with Kudoa thyrsites (Gilchrist) (Myxozoa). Can. J. Zool. 65:1987;936-939.
120. Whitaker D.J., Kent M.L. Myxosporean Kudoa thyrsites: a cause of soft flesh in farm-reared Atlantic salmon. J. Aquat. Anim. Health. 3:1991;291-294.
121. Whitaker, D.J., Kent, M.L., Margolis, L., 1994. Myxosporean parasites and their potential impact on the aquaculture industry, with emphasis on Kudoa species. In: Conley, D.C. (Ed.), Kudoa Workshop Proceedings, Province of British Columbia, Ministry of Agriculture, Fisheries and Food, pp. 2-7.
122. Whitaker D.J., Kent M.L., Sakanari J.A. Kudoa miniauriculata n.sp. (Myxozoa, Myxosporea) from the musculature of bocaccio (Sebastes paucispinis) from California. J. Parasitol. 82:1996;312-315.
123. Willis A.G. On the vegetative forms and life history of Chloromyxum thyrsites Gilchrist and its doubtful systematic position. Aust. J. Sci. Res., Ser. B., Biological Science. 2:1949;379-398.
124. Wishkovsky A., Groff J.M., Lauren D.J., Toth R.J., Hedrick R.P. Efficacy of Fumagillin against proliferative kidney disease and its toxic side effects in rainbow trout (Oncorhynchus mykiss) fingerlings. Fish Pathol. 25:1990;141-146.
125. Yurakhno V.M. New species of Myxosporidia from fishes of the Black Sea. Parasitologiya. 25:1991;104-109. (in Russian).
126. Zawistowski S., Czewzyk T., Ganowiak Z. Histochemical investigations of Falkland blue whiting muscles infested with parasitic protozoans of the genus Kudoa sp. Bull. Sea Fish. Inst. 17:1986;33-35. (in Polish).
127. Zawistowski S., Czewzyk T., Ganowiak Z. Histological examination of rats fed on southern blue whiting Micromesistius australis infested with parasitic protozoans of the genus Kudoa. Bull. Sea Fish. Inst. 17:1986;55-56. (in Polish).