Dye, HM., Sumpter, JP., Fagerlund, UHM. and Donaldson, EM. (1986) 'Changes in reproductive parameters during the spawning migration of pink salmon, Oncorhynchus-Gorbuscha (Walbaum)'. Journal of Fish Biology, 29 (2). pp. 167 - 176. ISSN: 0022-1112

Sumpter, JP., Dye, HM. and Benfey, TJ. (1986) 'The effects of stress on plasma ACTH, α-MSH, and cortisol levels in salmonid fishes'. General and Comparative Endocrinology, 62 (3). pp. 377 - 385. ISSN: 0016-6480

Copeland, PA., Sumpter, JP., Walker, TK. and Croft, M. (1986) 'Vitellogenin levels in male and female rainbow trout (Salmo gairdneri richardson) at various stages of the reproductive cycle'. Comparative Biochemistry and Physiology -- Part B: Biochemistry and, 83 (2). pp. 487 - 493. ISSN: 0305-0491

Sumpter, JP. and Donaldson, EM. (1986) 'The development and validation of a radioimmunoassay to measure plasma ACTH levels in salmonid fishes'. General and Comparative Endocrinology, 62 (3). pp. 367 - 376. ISSN: 0016-6480

Sumpter, JP. (1986) 'ACTH-related material in the pituitary gland of the chinook salmon (Oncorhynchus tschawytscha)'. General and Comparative Endocrinology, 62 (3). pp. 359 - 366. ISSN: 0016-6480

Sumpter, JP., Pickering, AD. and Pottinger, TG. (1985) 'Stress-induced elevation of plasma α-MSH and endorphin in brown trout, Salmo trutta L.'. General and Comparative Endocrinology, 59 (2). pp. 257 - 265. ISSN: 0016-6480

Gill, JA., Sumpter, JP., Donaldson2, EM., Dye, HM., Souza, L., Berg, T., Wypych, J. and Langley, K. et al. (1985) 'Recombinant chicken and bovine growth hormones accelerate growth in aquacultured juvenile pacific salmon oncorhynchus kisutch'. Bio Technology, 3 (7). pp. 643 - 646. ISSN: 0733-222X

Rodrigues, KT. and Sumpter, JP. (1984) 'The involvement of peptides derived from proopiomelanocortin (POMC) in the control of color-change in the rainbow-trout, Salmo-Gairdneri'. General and Comparative Endocrinology, 53 (3). pp. 468 - 469. ISSN: 0016-6480

Burke, MG., Leatherland, JF. and Sumpter, JP. (1984) 'Seasonal changes in serum testosterone, 11-ketotestosterone, and 1713-estradiol levels in the brown bullhead, Ictalurus nebuIosus Lesueur'. Canadian Journal of Zoology, 62 (6). pp. 1195 - 1199. ISSN: 0008-4301 Open Access Link

Copeland, PA., Sumpter, JP. and Scott, AP. (1984) 'The biological actions of purified salmon gonadotropin'. General and Comparative Endocrinology, 53 (3). pp. 433 - 434. ISSN: 0016-6480

Sumpter, JP., Scott, AP., Baynes, SM. and Witthames, PR. (1984) 'Early stages of the reproductive cycle in virgin female rainbow trout (Salmo gairdneri Richardson)'. Aquaculture, 43 (1-3). pp. 235 - 242. ISSN: 0044-8486

Rodrigues, KT. and Sumpter, JP. (1984) 'Effects of background adaptation on the pituitary and plasma concentrations of some pro-opiomelanocortin-related peptides in the rainbow trout (Salmo gairdneri)'. Journal of Endocrinology, 101 (3). pp. 277 - 284. ISSN: 0022-0795

Burke, M., Leatherland, JF. and Sumpter, JP. (1984) 'Thyroid-hormone involvement in gonadal maturation of the brown bullhead, Ictalurus-nebulosus'. General and Comparative Endocrinology, 53 (3). pp. 451 - 451. ISSN: 0016-6480

Sumpter, JP., Denning-Kendall, PA. and Lowry, PJ. (1984) 'The involvement of melanotrophins in physiological colour changes in the dogfish Scyliorhinus canicula'. General and Comparative Endocrinology, 56 (3). pp. 360 - 367. ISSN: 0016-6480

Sumpter, JP. and Denningkendall, PA. (1984) 'The control of dogfish (Scyliorhinus-canicula) color-change by melanotrophins'. General and Comparative Endocrinology, 53 (3). pp. 469 - 469. ISSN: 0016-6480

Rodrigues, KT. and Sumpter, JP. (1984) 'The radioimmunoassay of α-melanocyte-stimulating hormone and endorphin in trout (Salmo gairdneri) and the effect of blinding on the plasma levels of these peptides'. General and Comparative Endocrinology, 54 (1). pp. 69 - 75. ISSN: 0016-6480

Scott, AP. and Sumpter, JP. (1983) 'A comparison of the female reproductive cycles of autumn-spawning and winter-spawning strains of rainbow trout (Salmo gairdneri Richardson)'. General and Comparative Endocrinology, 52 (1). pp. 79 - 85. ISSN: 0016-6480

Scott, AP., Sumpter, JP. and Hardiman, PA. (1983) 'Hormone changes during ovulation in the rainbow trout (Salmo-Gairdneri Richardson)'. General and Comparative Endocrinology, 49 (1). pp. 128 - 134. ISSN: 0016-6480

Rodrigues, K. and Sumpter, JP. (1983) 'The distribution of some proopiomelanocortin-related peptides in the pituitary gland of the rainbow trout, Salmo gairdneri'. General and Comparative Endocrinology, 51 (3). pp. 454 - 459. ISSN: 0016-6480

Rodrigues, KT., Jenks, BG. and Sumpter, JP. (1983) 'Biosynthesis of pro-opiomelanocortin-related peptides in the neurointermediate lobe of the pituitary gland of the rainbow trout (Salmo gairdneri)'. Journal of Endocrinology, 98 (2). pp. 271 - 282. ISSN: 0022-0795

Dodd, JM., Dodd, MHI., Sumpter, JP. and Jenkins, N. (1982) 'Gonadotrophic activity in the buccal lobe (Rachendachhypophyse) of the pituitary gland of the rabbit fish Hydrolagus colliei (Chondrichthyes: Holocephali)'. General and Comparative Endocrinology, 48 (2). pp. 174 - 180. ISSN: 0016-6480

Denningkendall, PA., Sumpter, JP. and Lowry, PJ. (1982) 'Peptides derived from pro-opiocortin in the pituitary-gland of the dogfish, Squalus-Acanthias'. Journal of Endocrinology, 93 (3). pp. 381 - 390. ISSN: 0022-0795

Denningkendall, PA., Sumpter, JP. and Lowry, PJ. (1982) 'Proopiocortin and peptides derived from it in the pituitary-gland of the dogfish, Squalus-Acanthias'. General and Comparative Endocrinology, 46 (3). pp. 362 - 362. ISSN: 0016-6480

Arme, C., Griffiths, DV. and Sumpter, JP. (1982) 'Evidence against the hypothesis that the plerocercoid larva of Ligula-intestinalis (Cestoda, Pseudophyllidea) produces a sex steroid that interferes with host reproduction'. Journal of Parasitology, 68 (1). pp. 169 - 171. ISSN: 0022-3395

Leatherland, JF., Copeland, P., Sumpter, JP. and Sonstegard, RA. (1982) 'Hormonal-control of gonadal maturation and development of secondary sexual characteristics in coho salmon, Oncorhynchus-Kisutch, from lakes Ontario, Erie and Michigan'. General and Comparative Endocrinology, 48 (2). pp. 196 - 204. ISSN: 0016-6480

Sumpter, JP. and Wood, CRC. (1981) 'The trout'. Biologist, 28 (4). pp. 219 - 224. ISSN: 0006-3347

Stuart-Kregor, PAC., Sumpter, JP. and Dodd, JM. (1981) 'The involvement of gonadotrophin and sex steroids in the control of reproduction in the parr and adults of Atlantic salmon, Salmo salar L'. Journal of Fish Biology, 18 (1). pp. 59 - 72. ISSN: 0022-1112

Sumpter, JP., Jenkins, N., Duggan, RT. and Dodd, JM. (1980) 'The steroidogenic effects of pituitary extracts from a range of elasmobranch species on isolated testicular cells of quail, and their neutralisation by a dogfish anti-gonadotrophin'. General and Comparative Endocrinology, 40 (3). pp. 331 - 331. ISSN: 0016-6480

Sumpter, JP. and Dodd, JM. (1979) 'The annual reproductive cycle of the female lesser spotted dogfish, Scyliorhinus canicula L., and its endocrine control'. Journal of Fish Biology, 15 (6). pp. 687 - 695. ISSN: 0022-1112

Sumpter, JP., Follett, BK. and Dodd, JM. (1978) 'Studies on the purification of gonadotrophin from dogfish (Scyliorhinus canicula L.) pituitary glands'. Annales de Biologie Animale, Biochimie, Biophysique, 18 (4). pp. 787 - 791. ISSN: 0003-388X

Sumpter, JP., Follett, BK., Jenkins, N. and Dodd, JM. (1978) 'Studies on the purification and properties of gonadotrophin from ventral lobes of the pituitary gland of the dogfish (Scyliorhinus canicula L.)'. General and Comparative Endocrinology, 36 (2). pp. 264 - 274. ISSN: 0016-6480

Sumpter, JP., Jenkins, N. and Dodd, JM. (1978) 'Gonadotrophic hormone in the pituitary gland of the dogfish (Scyliorhinus canicula L.): Distribtuion and physiological significance'. General and Comparative Endocrinology, 36 (2). pp. 275 - 285. ISSN: 0016-6480

Sumpter, JP., Jenkins, N. and Dodd, JM. (1978) 'Hormonal control of steroidogenesis in an elasmobranch fish (Scyliorhinus canicula L.): Studies using a specific anti-gonadotrophic antibody'. Journal of Endocrinology, 79 (2). pp. 28 - 29. ISSN: 0022-0795

Jenkins, N., Sumpter, JP. and Follett, BK. (1978) 'The effects of vertebrate gonadotrophins on androgen release in vitro from testicular cells of Japanese quail and a comparison with their radioimmunoassay activities'. General and Comparative Endocrinology, 35 (3). pp. 309 - 321. ISSN: 0016-6480