Sumpter, JP. and Scott, AP. (1989) 'Seasonal variations in plasma and pituitary levels of gonadotrophin in males and females of two strains of rainbow trout (Salmo gairdneri)'. General and Comparative Endocrinology, 75 (3). pp. 376 - 388. ISSN: 0016-6480

Carragher, JF., Sumpter, JP., Pottinger, TG. and Pickering, AD. (1989) 'The deleterious effects of cortisol implantation on reproductive function in two species of trout, Salmo trutta L. and Salmo gairdneri Richardson'. General and Comparative Endocrinology, 76 (2). pp. 310 - 321. ISSN: 0016-6480

Tyler, CR., Sumpter, JP. and Bromage, NR. (1988) 'Selectivity of protein sequestration by vitellogenic oocytes of the rainbow-trout, Salmo-Gairdneri'. Journal of Experimental Zoology, 248 (2). pp. 199 - 206. ISSN: 0022-104X

Tyler, CR., Sumpter, JP. and Bromage, NR. (1988) 'Invivo ovarian uptake and processing of vitellogenin in the rainbow-trout, Salmo-Gairdneri'. Journal of Experimental Zoology, 246 (2). pp. 171 - 179. ISSN: 0022-104X

Pickering, AD., Pottinger, TG., Carragher, J. and Sumpter, JP. (1987) 'The effects of acute and chronic stress on the levels of reproductive hormones in the plasma of mature male brown trout, Salmo-Trutta-L'. General and Comparative Endocrinology, 68 (2). pp. 249 - 259. ISSN: 0016-6480

Tyler, C., Sumpter, J. and Bromage, N. (1987) 'Vitellogenin uptake by cultured oocytes of rainbow-trout (Salmo-gairdneri)'. General and Comparative Endocrinology, 66 (1). pp. 19 - 20. ISSN: 0016-6480

Carragher, J. and Sumpter, J. (1987) 'The effect of thermal stress on blood hormone levels of rainbow-trout'. General and Comparative Endocrinology, 66 (1). pp. 15 - 15. ISSN: 0016-6480

Tyler, C., Sumpter, J. and Bromage, N. (1987) 'The specificity of vitellogenin uptake into ovarian follicles of rainbow-trout, Salmo-Gairdneri'. Journal of Endocrinology, 112. pp. 50 - 50. ISSN: 0022-0795

Pickering, AD., Pottinger, TG. and Sumpter, JP. (1987) 'On the use of dexamethasone to block the pituitary-interrenal axis in the brown trout, Salmo-Trutta-L'. General and Comparative Endocrinology, 65 (3). pp. 346 - 353. ISSN: 0016-6480

Kortenkamp, A., Beyersmann, D. and Obrien, P. (1987) 'Uptake of Chromium(III) complexes by erythrocytes'. TOXICOLOGICAL AND ENVIRONMENTAL CHEMISTRY, 14 (1-2). pp. 23 - 32. ISSN: 0277-2248

Pickering, AD., Pottinger, TG. and Sumpter, JP. (1986) 'Independence of the pituitary interrenal axis and melanotroph activity in the brown trout, Salmo-Trutta-L under conditions of environmental stress'. General and Comparative Endocrinology, 64 (2). pp. 206 - 211. ISSN: 0016-6480

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

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, 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

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

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

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

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

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

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

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

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

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

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