Domestic Animal Endocrinology
Volume 39, Issue 2 , Pages 137-146 , August 2010

Feed efficiency and body composition are related to cortisol response to adrenocorticotropin hormone and insulin-induced hypoglycemia in rams

  • S.A. Knott

      Affiliations

    • Melbourne School of Land and Environment, The University of Melbourne, Parkville, Victoria, Australia
    • Department of Primary Industries, Hamilton, Victoria, Australia
  • ,
  • L.J. Cummins

      Affiliations

    • “Ivanhoe,” Cavendish, Victoria, Australia
  • ,
  • F.R. Dunshea

      Affiliations

    • Melbourne School of Land and Environment, The University of Melbourne, Parkville, Victoria, Australia
    • Department of Primary Industries, Werribee, Victoria, Australia
    • Corresponding Author InformationAddress for correspondence: Melbourne School of Land and Environment, The University of Melbourne, Parkville, Victoria 3010, Australia; Phone: +61 3 8344 7124; Fax: +61 3 8344 5037
  • ,
  • B.J. Leury

      Affiliations

    • Melbourne School of Land and Environment, The University of Melbourne, Parkville, Victoria, Australia

References 

  1. Richardson EC, Herd RM, Colditz I, Archer JA, Arthur PF. Blood cell profiles of steer progeny from parents selected for and against residual feed intake. Aust J Exp Agric. 2002;42:901–908
  2. Knott SA, Cummins LJ, Dunshea FR, Leury BJ. The use of different models for the estimation of residual feed intake (RFI) as a measure of feed efficiency in meat sheep. Anim Feed Sci Technol. 2008;143:242–255
  3. Richardson EC, Herd RM, Archer JA, Arthur PF. Metabolic differences in Angus steers divergently selected for residual feed intake. Aust J Exp Agric. 2004;44:441–452
  4. Knott SA, Cummins LJ, Dunshea FR, Leury BJ. Rams with poor feed efficiency are highly responsive to an exogenous adrenocorticotropin hormone (ACTH) challenge. Domest Anim Endocrinol. 2008;34:261–268
  5. Luiting P, de Groot PN, Decuypere E, Buyse J. Selection for feed efficiency and consequences for stress susceptibility. In: 45th Annual Meeting of the European Association of Animal Production. 1994;p. 104
  6. Arthur PF, Archer JA, Herd RM. Feed intake and efficiency in beef cattle: Overview of recent Australian research and challenges for the future. Aust J Exp Agric. 2004;44:361–369
  7. Brockman RP, Laarveld B. Hormonal regulation of metabolism in ruminants; a review. Livest Prod Sci. 1986;14:313–334
  8. Elsasser TH, Klasing KC, Filipov N, Thompson F. The metabolic consequences of stress: Targets for stress and priorities of nutrient use. In:  Moberg GP,  Mench JA editor. The Biology of Animal Stress: Basic Principles and Implications for Animal Welfare. Wallingford, UK: CABI Publishing; 2000;p. 77–110
  9. Stratakis CA, Gold PW, Chrousos GP. Neuroendocrinology of stress: Implications for growth and development. Horm Res. 1995;43:162–167
  10. Caraty A, Grino M, Locatelli A, Guillaume V, Boudouresque F, Conte-Devolx B, et al. Insulin-induced hypoglycaemia stimulates corticotropin-releasing factor and arginine vasopressin secretion into hypophysial portal blood of conscious, unrestrained rams. J Clin Invest. 1990;85:1716–1721
  11. National Health and Medical Research Council. Australian Code of Practice for the Care and Use of Animals for Scientific Purposes. 7thed.. Canberra: ACT: Australian Government; 2004;
  12. Cammack KM, Leymaster KA, Jenkins TG, Nielsen MK. Estimates of genetic parameters for feed intake, feeding behaviour, and daily gain in composite ram lambs. J Anim Sci. 2005;83:777–785
  13. Leymaster KA, Cammack KM, Nielsen MK, Jenkins TG. Estimates of genetic parameters for daily gain, feed intake, and behavior traits in ram lambs of a composite population. In: Proceedings 7th World Congress on Genetics Applied to Livestock Production, CD-ROM Communication No.10-09. 2002;
  14. Snowder GD, Van Vleck LD. Effect of duration of performance tests on variance component estimates for lamb growth rate. J Anim Sci. 2002;80:2078–2084
  15. Snowder GD, Van Vleck LD. Estimates of genetic parameters and selection strategies to improve the economic efficiency of postweaning growth in lambs. J Anim Sci. 2003;81:2704–2713
  16. Arthur P, Barchia I, Giles L. Optimum duration of performance tests for evaluating growing pigs for growth and feed efficiency traits. J Anim Sci. 2008;86:1096–1105
  17. Standing Committee on Agriculture and Resource Management. Feeding Standards for Australian Livestock: Ruminants. East Melbourne, VIC: CSIRO Publications; 1990;
  18. Knott SA. Physiology Underlying the Variation in Feed Conversion Efficiency in Meat Sheep [PhD dissertation]. Melbourne, VIC: The University of Melbourne; 2007;
  19. Verbyla A, Cullis B, Kenward M, Welham S. The analysis of designed experiments and longitudinal data by using smoothing splines. J R Stat Soc Ser C-Appl Stat. 1999;48:269–311
  20. Hunter TE, Suster D, Dunshea FR, Wark JD, Cummins LJ, Egan AR, et al. Dual energy x-ray absorptiometry for predicting whole body and carcass composition in sheep. Proc Nutr Soc Aust. 2000;24:254
  21. Suster D, Leury BJ, Ostrowska E, Butler KL, Kerton DJ, Wark JD, et al. Accuracy of dual energy x-ray absorptiometry (DXA), weight and P2 back fat to predict whole body and carcass composition in pigs within and across experiments. Livest Prod Sci. 2003;84:231–242
  22. Sechen SJ, Dunshea FR, Bauman DE. Somatotropin in lactating cows: Effect on response to epinephrine and insulin. Am J Physiol Endocrinol Metab. 1990;258:E582–E588
  23. Dunshea FR, King RH. Responses to homeostatic signals in ractopamine-treated pigs. Br J Nutr. 1995;73:809–818
  24. Boisclair YR, Johnston KB, Bauman DE, Crooker BA, Dunshea FR, Bell AW. Paradoxical increases of circulating nonesterified fatty acids in somatotropin treated cattle undergoing mild disturbances. Domest Anim Endocrinol. 1997;14:251–262
  25. Dunshea FR, Leury BJ, King RH. Lipolytic responses to catecholamines in ractopamine-treated pigs. Aust J Agric Res. 1998;49:875–881
  26. Ostrowska E, Cross RF, Muralitharan M, Bauman DE, Dunshea FR. Effects of dietary fat and conjugated linoleic acid on plasma metabolite concentrations and metabolic responses to homeostatic signals in pigs. Br J Nutr. 2002;88:625–634
  27. Richardson EC, Herd RM. Biological basis for variation in residual feed intake in beef cattle (2. Synthesis of results following divergent selection). Aust J Exp Agric. 2004;44:431–440
  28. Luiting P, Schrama JW, van der Hel W, Urff EM. Metabolic differences between white leghorns selected for high and low residual food consumption. Br Poult Sci. 1991;32:763–782
  29. Archer JA, Richardson EC, Herd RM, Arthur PF. Potential for selection to improve efficiency of feed use in beef cattle: A review. Aust J Agric Res. 1999;50:147–161
  30. Bassett JM. The relation of fat and protein catabolic actions of cortisol to glucose homeostasis in fasting sheep. Metab Clin Exp. 1968;17:644–652
  31. Lee C, Giles LR, Bryden WL, Downing JA, Collins DC, Wynn PC. The effect of active immunization against adrenocorticotropic hormone on cortisol, βendorphin, vocalization, and growth in pigs. J Anim Sci. 2005;83:2372–2379
  32. Tilbrook AJ, Rivalland ETA, Turner AI, Lambert GW, Clarke IJ. Responses of the hypothalamopituitary adrenal axis and the sympathoadrenal system to isolation/restraint stress in sheep of different adiposity. Neuroendocrinology. 2008;87:193–205
  33. Archer JA, Pitchford WS. Phenotypic variation in residual food intake of mice at different ages and its relationship with efficiency of growth, maintenance and body composition. Anim Sci. 1996;63:149–157
  34. Pullar JD, Webster AJF. The energy cost of fat and protein deposition in the rat. Br J Nutr. 1977;37:355–363
  35. Webster AJF. The energetic efficiency of metabolism. Proc Nutr Soc. 1981;40:121–128
  36. McDowell GH. Hormonal control of glucose homeostasis in ruminants. Proc Nutr Soc. 1983;42:149–167
  37. Moberg GP. Biological response to stress: Implications for animal welfare. In:  Moberg GP,  Mench JA editor. The Biology of Animal Stress: Basic Principles and Implications for Animal Welfare. Wallingford, UK: CABI Publishing; 2000;p. 1–22
  38. Peeke PM, Chrousos GP. Hypercortisolism and obesity. Ann NY Acad Sci. 1995;771:665–676
  39. Komesaroff PA, Funder JW. Differential glucocorticoid effects on catecholamine responses to stress. Am J Physiol Endocrinol Metab. 1994;266:E118–E128

 S.A. Knott's present affiliation: EH Graham Centre for Agricultural Innovation (Industry & Investment NSW and Charles Sturt University); School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, New South Wales, Australia.

PII: S0739-7240(10)00039-1

doi: 10.1016/j.domaniend.2010.03.003

Domestic Animal Endocrinology
Volume 39, Issue 2 , Pages 137-146 , August 2010