Acevedo, N, Ding, J, Cabrera, LM, Smith, GD 2006. Maternal hyperinsulinemia increases incidence of abnormal oocyte chromatin condensation and impairs oocyte developmental competence. Fertility and Sterility 86, S79.
Adamiak, SJ, Mackie, K, Watt, RG, Webb, R, Sinclair, KD 2005. Impact of nutrition on oocyte quality: cumulative effects of body composition and diet leading to hyperinsulinaemia in cattle. Biology of Reproduction 73, 918–926.
Adamiak, SJ, Powell, K, Rooke, JA, Webb, R, Sinclair, KD 2006. Body composition, dietary carbohydrates and fatty acids determine post-fertilisation development of bovine oocytes in vitro. Reproduction 131, 247–258.
Agricultural and Food Research Council 1993. Energy and Protein Requirements of Ruminants. An advisory manual prepared by the AFRC Technical Committee on Responses to Nutrients. CAB International, Wallingford, UK.
Armstrong, DG, Duclos, MJ, Goddard, C 1990. Biological activity of insulin-like growth factor-I purified from chicken serum. Domestic Animal Endocrinology 7, 383–393.
Armstrong, DG, McEvoy, TG, Baxter, G, Robinson, JJ, Hogg, CO, Woad, KJ, Webb, R, Sinclair, KD 2001. Effect of dietary energy and protein on bovine follicular dynamics and embryo production in vitro: associations with the ovarian insulin-like growth factor system. Biology of Reproduction 64, 1624–1632.
Armstrong, DG, Gong, JG, Webb, R 2003. Interactions between nutrition and ovarian activity in cattle: physiological, cellular and molecular mechanisms. In Reproduction in Domestic Ruminants V (ed. BK Campbell, R Webb, H Dobson and C Doberska), pp. 403–414. Society for Reproduction and Fertility, Cambridge, UK.
Bassett, JM 1975. Dietary and gastro-intestinal control of hormones regulating carbohydrate metabolism in ruminants. In Digestion and metabolism in the ruminant (ed. IW McDonald and ACI Warner), pp. 383–398. University of New England Publishing Unit, Armidale, Australia.
Blache, D, Tellam, RL, Chagas, LM, Blackberry, MA, Vercoe, PE, Martin, GB 2000. Level of nutrition affects leptin concentrations in plasma and cerebrospinal fluid in sheep. Journal of Endocrinology 165, 625–637.
Bradford, BJ, Gour, AD, Nash, AS, Allen, MS 2006. Propionate challenge tests have limited value for investigating bovine metabolism. Journal of Nutrition 136, 1915–1920.
Chagas, LM, Bass, JJ, Blache, D, Burke, CR, Kay, JK, Lindsay, DR, Lucy, MC, Martin, GB, Meier, S, Rhodes, FM, Roche, JR, Thatcher, WW, Webb, R 2007. New perspectives on the roles of nutrition and metabolic priorities in the subfertility of high-producing cows. Journal of Dairy Science 90, 4022–4032.
Chamberlain, CS, Spicer, LJ 2001. Hormonal control of ovarian cell production of insulin-like growth factor binding proteins. Molecular and Cellular Endocrinology 182, 69–81.
Chilliard, Y, Delavaud, C, Bonnet, M 2005. Leptin regulation in ruminants: nutritional and physiological regulations in relation with energy metabolism. Domestic Animal Endocrinology 29, 3–22.
Ehrhardt, RA, Slepetis, RM, Siegal-Willott, J, Van Amburgh, ME, Bell, AW, Boisclair, YR 2000. Development of a specific radioimmunoassay to measure physiological changes of circulating leptin in cattle and sheep. Journal of Endocrinology 166, 519–528.
Fouladi-Nashta, AA, Gutierrez, CG, Gong, JG, Garnsworthy, PC, Webb, R 2007. Impact of dietary fatty acids on oocyte quality and development in lactating dairy cows. Biology of Reproduction 77, 9–17.
French, N, Kennelly, JJ 1990. Effects of feeding frequency on ruminal parameters, plasma insulin, milk yield, and milk composition in Holstein cows. Journal of Dairy Science 73, 1857–1863.
French, N, De Boer, G, Kennelly, JJ 1990. Effects of feeding frequency and exogenous somatotrophin on lipolysis, hormone profiles, and milk production in dairy cows. Journal of Dairy Science 73, 1552–1559.
Genstat 2002. Release 6 Reference Manual. Oxford Science Publications. Clarendon Press, Oxford, UK.
Harmon, DL 1992. Impact of nutrition on pancreatic exocrine and endocrine secretion in ruminants: a review. Journal of Animal Science 70, 1290–1301.
Kaneko, JJ 1989. Clinical biochemistry of domestic animals, 4th edition. Academic Press, London, UK.
Keane, MG, More O’Ferrall, GJ 1992. Comparison of Friesian, Canadian Hereford × Friesian and Simmental × Friesian steers for growth and carcass composition. Animal Production 55, 377–387.
Lents, CA, Wettemann, RP, White, FJ, Rubio, I, Ciccioli, NH, Spicer, LJ, Keisler, DH, Payton, ME 2005. Influence of nutrient intake and body fat on concentrations of insulin-like growth factor-I, insulin, thyroxine, and leptin in plasma of gestating beef cows. Journal of Animal Science 83, 586–596.
Mann, GE, Green, MP, Sinclair, KD, Demmers, KJ, Fray, MD, Gutierrez, CG, Garnsworthy, PC, Webb, R 2003. Effects of circulating progesterone and insulin on early embryo development in beef heifers. Animal Reproduction Science 79, 71–79.
McEvoy, TG, Robinson, JJ, Aitken, RP, Findlay, PA, Robertson, IS 1997. Dietary excesses of urea influence the viability and metabolism of preimplantation sheep embryos and may affect fetal growth among survivors. Animal Reproduction Science 47, 71–90.
Morgan, CR, Lazerow, A 1963. Immunoassay of insulin: two antibody system. Plasma insulin levels in normal, subdiabetic and diabetic rats. Diabetes 12, 115–126.
Nolan, R, O’Callaghan, D, Duby, RT, Lonergan, P, Boland, MP 1998. The influence of short-term nutrient changes on follicle growth and embryo production following superovulation in beef heifers. Theriogenology 50, 1263–1274.
Owens, PC, Johnson, RJ, Campbell, RG, Ballard, FJ 1990. Growth hormone increases insulin-like growth factor-I (IGF-I) and decreases IGF-II in plasma of growing pigs. Journal of Endocrinology 124, 269–275.
Robinson, JJ 1990. Nutrition in the reproduction of farm animals. Nutrition Research Reviews 3, 253–276.
Sinclair, KD, Kuran, M, Gebbie, FE, Webb, R, McEvoy, TG 2000. Nitrogen metabolism and fertility in cattle. II. Development of oocytes recovered from heifers offered diets differing in their rate of nitrogen release in the rumen. Journal of Animal Science 78, 2670–2680.
Smith, DL, Stinefelt, BM, Blemings, KP, Wilson, ME 2006. Diet-induced alterations in progesterone clearance appear to be mediated by insulin signalling in hepatocytes. Journal of Animal Science 84, 1102–1109.
Spicer, LJ, Chamberlain, CS 2000. Production of insulin-like growth factor-I by granulosa cells but not thecal cells is hormonally responsive in cattle. Journal of Animal Science 78, 2919–2926.
Starr, JI, Horwitz, DL, Rubenstein, AH, Mako, ME 1979. Insulin, proinsulin and c-peptide. In Methods of hormone radioimmunoassay, 2nd edition (ed. BM Jaffer and HR Behman), pp. 613–633. Academic Press, London, UK.
Sutton, JD, Hart, IC, Morant, SV, Schuller, E, Simmonds, AD 1988. Feeding frequency for lactating cows: diurnal patterns of hormones and metabolites in peripheral blood in relation to milk-fat concentration. British Journal of Nutrition 60, 265–274.
Taylor St, CS, Murray, JI 1991. Effect of feeding level, breed and milking potential on body tissues and organs of mature, non-lactating cows. Animal Production 53, 27–38.
Thorp, CL, Wylie, ARG, Steen, RWJ, Shaw, C, McEvoy, JD 2000. Effects of incremental changes in forage:concentrate ratio on plasma hormone and metabolite concentrations and products of rumen fermentation in fattening beef steers. Animal Science 71, 93–109.
Webb, R, Garnsworthy, PC, Gong, JG, Armstrong, DG 2004. Control of follicular growth: local interactions and nutritional influences. Journal of Animal Science 82 (Suppl. E), E63–E74.
Yaakub, H, O’Callaghan, D, Boland, MP 1999. Effect of roughage type and concentrate supplementation on follicle numbers and in vitro fertilisation and development of oocytes recovered from beef heifers. Animal Reproduction Science 55, 1–12.