L. B. Agellon and T. T. Chen, Rainbow trout growth hormone: molecular cloning of cDNA expression in Escherichia coil DNA, vol.5, pp.463-471, 1986.

J. N. Ball, Partial hypophysectomy in the teleost Poecilia: separate identities of teleostean growth hormone and teleostean prolactin-like hormone, Gen. Comp. Endocrinol, vol.5, pp.654-661, 1965.

J. P. Bolton, A. Takahashi, H. Kawauchi, J. Kubota, and T. Hirano, Development and validation of a salmon growth hormone radioimmunoassay, Gen. Comp. Endocrinol, vol.62, pp.230-238, 1986.

B. Breton, P. Prunet, and P. Reinaud, Sexual differences in salmon gonadotropin, Ann. Biol. Anim. Bioch. Biophys, vol.18, pp.759-765, 1978.

A. F. Cook, S. W. Wilson, and R. E. Peter, Development and validation of a carp growth hormone radioimmunoassay, Gen. Comp. Endocrinol, vol.50, pp.335-347, 1983.

M. P. Dubois and M. Herlant, Caracteres cytologiques des cellules gonadotropes, thyreotropes, corticotropes, somatotropes et des cellules a prolactine presentes dans le lobe ant6rieur de l'hypophyse des bovins, Ann. Biol. Anim. Bioch. Biophys, vol.8, pp.5-20, 1968.

K. J. Farbridge, M. G. Burke, and J. F. Leatherland, Cytobios, vol.44, pp.49-66, 1985.

S. W. Farmer, H. Papkoff, T. Hayashida, T. A. Bewley, H. A. Bern et al., Purification and properties of teleost growth hormone, Gen. Comp. Endocrinol, vol.30, pp.91-100, 1976.

J. N. Fryer, A radioreceptor assay for purified teleost growth hormone, Gen. Comp. Endocrinol, vol.39, pp.123-130, 1979.

J. N. Fryer and H. A. Bern, Growth hormone binding to tissues of normal and stunted juvenile coho Salmon, (Oncorhynchus kisutch), J. Fish Biol, vol.15, pp.527-533, 1979.

M. Gabe, Techniques Histologiques. Masson et Cie, 1968.

P. Gerasimo, J. Djiane, and P. A. Kelly, Titration of total binding sites for growth hormone in rabbit liver. Quantitative modifications of these sites during pregnancy, Mol. Cell. Endocrinol, vol.13, pp.11-23, 1979.

T. Hirano, P. Prunet, H. Kawauchi, A. Takahashi, T. Ogasawara et al., Development and validation of a Salmon prolactin radioimmunoassay, Gen. Comp. Endocrinol, vol.59, pp.266-276, 1985.

H. Kawauchi, S. Moriyama, A. Yasuda, K. Yamaguchi, K. Shirahata et al., Isolation and characterization of chum salmon growth hormone, Arch. Biochem. Biophys, vol.244, pp.542-552, 1986.

P. A. Kelly, G. Leblanc, and J. Djiane, Estimation of total prolactin-binding sites after in vitro desaturation, Endocrinology, vol.104, pp.1631-1638, 1979.

M. Kishida, T. Hirano, J. Kubota, S. Hasegawa, H. Kawauchi et al., Isolation of two forms of growth hormone secreted from eel pituitaries in vitro, Gen. Comp. Endocrinol, vol.65, pp.478-488, 1987.

M. P. Komourdjian and D. R. Idler, Chum salmon pituitary fractions: somatotropic activity and cytoimmunofluorescence studies, Gen. Comp. Endocrinol, vol.37, pp.343-349, 1979.

U. K. Laemmli, Cleavage of structural proteins during the assembly of the head of bacteriophage T4, Nature, Lond, vol.227, pp.680-685, 1970.

O. H. Lowry, N. J. Rosebrough, A. Lewis-farr, and R. J. Randall, Protein measurement with the folin phenol reagent, J. Biol. Chem, vol.193, pp.265-275, 1951.

C. S. Nicoll, S. S. Steiny, D. S. King, R. S. Nishioka, G. L. Mayer et al., The primary structure of coho salmon growth hormone and its cDNA, Gen. Comp. Endocrinol, vol.68, pp.387-399, 1987.

M. Olivereau, Stimulation des cellules somatotropes de l'hypophyse de la carpe apres un jeune prolonged, C.R. Acad. Sci, vol.270, pp.2343-2346, 1970.

. Ouchterlony, Handbook of Experimental Immunology, p.655, 1967.

J. L. Specker, D. S. King, R. S. Nishioka, K. Shizahata, K. Yamaguchi et al., Isolation and partial characterization of a pair of prolactins released in vitro by the pituitary of a cichlid fish, Oreochromis mossambicus, Proc. Nat. Acad. Sci. U.S.A, vol.82, pp.7490-7494, 1985.

J. P. Sumpter and E. M. Donaldson, The development and validation of a radioimmunoassay to measure plasma ACTH levels in salmonid fishes, Gen. Comp. Endocrinol, vol.62, pp.367-376, 1986.

J. F. Tarpey and C. S. Nicoll, Characterization of hepatic growth hormone binding sites in two fish species, Gillichthys mirabilis (Teleostei) and Acipenser transmontanus (Chondrostei), Gen. Comp. Endocrinol, vol.60, pp.39-50, 1985.

G. F. Wagner and B. A. Mckeown, The immuno-cytochemical localisation of pituitary somatotrops in the genus Oncorhynchus using an antiserum to growth hormone of chum salmon (Oncorhynchus keta), Cell. Tiss. Res, vol.231, pp.693-697, 1983.

G. F. Wagner, R. C. Fargher, J. C. Brown, and B. A. Mckeown, Further characterization of growth hormone from the chum salmon (Oncorhynchus keta), Gen. Comp. Endocrinol, vol.60, pp.27-34, 1985.

G. F. Wagner and B. A. Mckeown, Development of a salmon growth hormone radioimmunoassay, Gen. Comp. Endocrinol, vol.62, pp.452-458, 1986.