A review of the biology linking fibre diameter with fleece weight, liveweight, and reproduction in Merino sheep

Australian Journal of Agricultural Research

Volumn 54, Issue 1, 2003, Pages 1-10

  Adams, N R ^a   Cronje P B ^a,b  

^a CSIRO   (Australia)

^b UNIVERSITY OF PRETORIA   (South Africa)

Author keywords

Fatness; Fibre length; Follicle density; Protein synthesis

Indexed keywords

PROTEIN; REPRODUCTION; SHEEP; WEIGHT;

AUSTRALIA;

OVIS; OVIS ARIES; VERTEBRATA;

EID: 0037272983     PISSN: 00049409     EISSN: None     Source Type: Journal    
DOI: 10.1071/AR02059     Document Type: Review

References (73)

1. Adams NR, Briegel JR (1998) Liveweight and wool growth responses to a Mediterranean environment in three strains of Merino sheep. Australian Journal of Agricultural Research 49, 1187-1193.
2. Adams NR, Briegel JR, Blache D (2002) Feed intake, liveweight and wool growth rate in Merino sheep with different responsiveness to low or high quality feed. Australian Journal of Experimental Agriculture 42, 399-405.
3. Adams NR, Briegel JR, Ritchie AJM (1997) Wool and liveweight responses to nutrition by Merino sheep genetically selected for high or low staple strength. Australian Journal of Agricultural Research 48, 1129-1137.
4. Adams NR, Liu SM, Briegel JR, Greeff JC (2000b) Protein metabolism in skin and muscle of sheep selected for or against staple strength. Australian Journal of Agricultural Research 51, 541-546.
5. Adams NR, Liu S, Masters DG (2000a) Regulation of protein synthesis for wool growth. In 'Ruminant physiology. Digestion, metabolism, growth and reproduction'. (Ed. PB Cronjé) pp. 255-272. (CABI International: Wallingford, Oxon, UK)
6. Adams NR, Sanders MR, Briegel JR, Peter DW, Rigby RDG (1996) Responses of sheep to annual cycles in nutrition. 2. Effects of diet and endogenous growth hormone during replenishment. Animal Science 62, 287-292.
7. Ashton D (1998) Australian wool production: its changing structure in the 1990s. Australian Commodities 5, 366-373.
8. Ashton D, Alexander F, O'Donnell V (2001) Fibres: outlook to 2005-06. In 'Outlook 2001. Vol. 2. Agriculture and regional Australia'. pp. 353-359. (Australian Bureau of Agricultural and Resource Economics: Canberra)
9. Barker DJP (1998) In utero programming of chronic disease. Clinical Science 95, 115-128.
10. Barton SA, Purvis IW, Brewer HG (2001) Are wool follicle characteristics associated with wool quality and production in hogget and adult sheep? Proceedings of the Australian Association of Animal Breeding and Genetics 14, 289-291.
11. Bauman DE (2000) Regulation of nutrient partitioning during lactation: homeostasis and homeorhesis revisited. In 'Ruminant physiology. Digestion, metabolism, growth and reproduction'. (Ed. PB Cronjé) pp. 311-328. (CABI Publishing: Wallingford, Oxon, UK)
12. Beare S, Chapman L, Heaney A (1999) Broadacre agriculture. Changes in land use and returns in Australia in the 1990s. Australian Commodities 6, 522-530.
13. Bridges RS, Rigerno BA, Byrnes EM, Yang L, Walker AM (2001) Central infusions of the recombinant human prolactin receptor antagonist, S179D-PRL, delay the onset of maternal behaviour in steroid-primed, nulliparous female rats. Endocrinology 142, 730-739.
14. Brown GH, Turner HN (1968) Response to selection in Australian Merino sheep. II Estimates of phenotypic and genetic parameters for some production traits in Merino ewes and an analysis of the possible effects of selection on them. Australian Journal of Agricultural Research 19, 303-322.
15. Buttery PJ, Brameld JM, Dawson JM (2000) Control and manipulation of hyperplasia and hypertrophy in muscle tissue. In 'Ruminant physiology. Digestion, metabolism, growth and reproduction'. (Ed. PB Cronjé) pp. 237-254. (CABI Publishing: Wallingford, Oxon, UK)
16. Coelli KA, Atkins KD, Casey AE, Semple SJ (2000) Merino bloodlines: the comparisons: 1989-1999. Agnote DAI-52. (Agricultural Institute, NSW Agriculture: Orange, NSW)
17. Craven AJ, Ormandy CJ, Robertson FG, Wilkins RJ, Kelly PA, Nixon AJ, Pearson AJ (2001) Prolactin signalling influences the timing mechanism of the hair follicle: analysis of hair growth cycles in prolactin receptor knockout mice. Endocrinology 142, 2533-2539.
18. Cronjé PB (1992) Differences in nitrogen and urea metabolism between goats bred for fibre production (Angora goat) or meat production. South African Journal of Animal Science 22, 143-148.
19. Cronjé PB (1998) Possible causes of differences in glucose metabolism between Angora goats of two different phenotypes. Animal Science 66, 705-711.
20. Cronjé PB, Adams NR (2001) 'Modification and manipulation of nutrient sensitivity in domestic livestock.' (Ed. JL Corbett) pp.-114. (University of New England Press: Armidale, NSW)
21. Davies HL (1983) Some aspects of the production of weaner sheep in the winter rainfall regions of Australia. Livestock Production Science 10, 239-252.
22. Gleeson T, Brittle S (2001) Meat: outlook to 2005-06. In 'Outlook 2001. Vol. 2. Agriculture and regional Australia'. pp. 257-270. (Australian Bureau of Agricultural and Resource Economics: Canberra)
23. Greeff JC (2001) Can along and between fibre diameter variation make a contribution to Merino breeding programs? Proceedings of the Australian Association of Animal Breeding and Genetics 14, 293-296.
24. Gregory IP (1982) Genetic studies of South Australian Merino sheep. IV Genetic, phenotypic and environmental correlations between various wool and body traits. Australian Journal of Agricultural Research 33, 363-373.
25. de Haas HJ, Dunlop AA (1969) The effects of some variables on the components of reproduction rate in the Merino. Australian Journal of Agricultural Research 20, 549-559.
26. Harris PM, Lobley GE (1991) Amino acid and energy metabolism in the peripheral tissues of ruminants. In 'Physiological aspects of digestion and metabolism in ruminants'. (Eds T Tsude, Y Sasaki, R Kawashima) pp. 201-230. (Academic Press: San Diego)
27. Harris PM, Skene PA, Buchan V, Milne E, Calder AG, Anderson SE, Connell A, Lobley GE (1992) Effect of food intake on hind-limb and whole-body protein metabolism in young growing sheep: chronic studies based on arterio-venous techniques. Species comparisons of protein metabolism: effects of age and hormonal metabolism. British Journal of Nutrition 68, 389-407.
28. LL, Noakes DE, Hanson MA (2000) Cardiovascular and hypothalamic-pituitary-adrenal axis development in late gestation fetal sheep and young lambs following modest maternal nutrient restriction in early gestation. Reproduction, Fertility and Development 12, 443-456.
29. Hill JA, Hynd PI, Ponzoni RW, Grimson RJ, Jaensch KS, Kenyon RV, Penno NM (1997a) Skin and follicle characteristics. II Correlations with objectively measured and subjectively assessed wool traits. Proceedings of the Australian Association of Animal Breeding and Genetics 12, 524-528.
30. Hill JA, Hynd PI, Ponzoni RW, Grimson RJ, Jaensch KS, Kenyon RV, Penno NM (1997b) Skin and follicle characteristics. I Heritabilities and correlations among them. Proceedings of the Australian Association of Animal Breeding and Genetics 12, 520-523.
31. Hocking-Edwards JE, Hynd PI (1992) Cellular characteristics of wool follicles and fibres in finewool and strongwool Merinos. Australian Journal of Agricultural Research 43, 355-365.
32. Hough GM, Williams AJ, McDowell GH, Annison EF (1988) Blood metabolites in ewes selectively bred for high or low clean fleece weights: possible use for selection of superior animals. Proceedings of the Australian Society of Animal Production 17, 422.
33. Hutchinson G (2001) 'Information and co-operation: key tools for profitable farming in the 21st Century.' (Eds LG Butler, J McNeish) pp. 9-16. (Department of Agriculture: Perth)
34. Hynd PI (1989) Effects of nutrition on wool follicle cell kinetics in sheep differing in efficiency of wool production. Australian Journal of Agricultural Research 40, 409-417.
35. Hynd PI (1994) Follicular determinants of the length and diameter of wool fibres. I. Comparison of sheep differing in fibre length/diameter ratio at two levels of nutrition. Australian Journal of Agricultural Research 45, 1137-1147.
36. Hynd PI, Hughes A, Earl CR, Penno NM (1997) Seasonal changes in the morphology of wool follicles in Finewool and Strongwool Merino strains grazing at different stocking rates in southern Australia. Australian Journal of Agricultural Research 48, 1089-1097.
37. Ingham VM, Ponzoni RW (2001) A progress report on the development of a meat Merino line in South Australia (the fibre meat plus). Proceedings of the Australian Association of Animal Breeding and Genetics 14, 433-436.
38. James PJ, Ponzoni RW, Walkely JRW, Whitely KJ (1990) Genetic parameters for wool production and quality traits in South Australian Merinos of the Collinsville family group. Australian Journal of Agricultural Research 41, 583-594.
39. Kuchel RC, Lindsay DR (2000) Maternal behaviour and the survival of lambs in superfine wool sheep. Reproduction, Fertility and Development 11, 391-394.
40. Lee GJ, Atkins KD, Swan AA (2002) Pasture intake and digestibility by young and non-breeding adult sheep: the extent of genetic variation and relationships with productivity. Livestock Production Science 73, 185-198.
41. Lee GJ, Williams AJ (1994) Nutritional responses in wool growth by four Merino genotypes of differing wool growth performance. Australian Journal of Agricultural Research 45, 1171-1187.
42. Lewer RP, Woolaston RR, Howe RR (1994) Studies on Western Australian Merino sheep. II Genetic and phenotypic parameter estimates for objectively measured traits on ram and ewe hoggets using different model types. Australian Journal of Agricultural Research 45, 829-840.
43. Liu S, Mata G, O'Donoghue H, Masters DG (1998) The influence of live weight, live-weight change and diet on protein synthesis in the skin and skeletal muscle in young Merino sheep. British Journal of Nutrition 79, 267-274.
44. Liu SM, Blache D, Mata G, Masters DG (2000) Plasma leptin and body fat in grazing Merinos fed protected canola meal or methionine. Proceedings of the Nutrition Society of Australia 24, 135.
45. Lobley GE (1998) Nutritional and hormonal control of muscle and peripheral tissue metabolism in farm species. Livestock Production Science 56, 91-114.
46. Lobley GE, Harris PM, Skene PA, Brown D, Milne E, Calder AG, Anderson SE, Garlick PJ, Nevison I, Connell A (1992) Response in tissue protein synthesis to sub- and supra-maintenance intake in young growing sheep: comparison of large-dose and continuous-infusion techniques. British Journal of Nutrition 68, 373-388.
47. Masters DG, Liu SM, Purvis IW, Hartofillis M (2000) Wool growth and protein synthesis in the skin of superfine Merinos with high and low fleece weight. Asian-Australasian Journal of Animal Science 13, 457-460.
48. McNeill DM, Slepetis R, Ehrhardt RA, Smith DM, Bell AW (1997) Protein requirements of sheep in late pregnancy: partitioning of nitrogen between gravid uterus and maternal tissues. Journal of Animal Science 75, 809-816.
49. Morley FHW, White DH, Kenny PA, Davis IF. (1978) Predicting ovulation rate from liveweight in ewes. Agricultural Systems 3, 27-45.
50. Mortimer SI, Atkins KD (1989) Genetic evaluation of production traits between and within flocks of Merino sheep. I. Hogget fleece weights, body weight and wool quality. Australian Journal of Agricultural Research 40, 433-443.
51. Mortimer SI, Atkins KD (1993) Genetic evaluation of production traits between and within flocks of Merino sheep. II. Component traits of the hogget fleece. Australian Journal of Agricultural Research 44, 1523-1539.
52. Mortimer SI, Atkins KD (1997) Improvement of Merino reproductive performance through bloodline substitution and crossing. Proceedings of the Australian Association of Animal Breeding and Genetics 12, 404-407.
53. Mortimer SI, Atkins KD, Rogan IM (1985) Reproductive performance of Merino strains and bloodlines. Proceedings of the Australian Association of Animal Breeding and Genetics 5, 218-219.
54. Oddy VH, Speck PA, Warren HM, Wynn PC (1995) Protein metabolism in lambs from lines divergently selected for weaning weight. Journal of Agricultural Science, Cambridge 124, 129-137.
55. Owens JA, McMillen C, Moore V, Robinson J, Kirby AC, Clifton P (1998) Relationship of birth phenotype and intrauterine nutrition to insulin resistance and the metabolic syndrome. Proceedings of the Endocrine Society of Australia 41, 155.
56. Purvis IW, Atkins KD, Piper LR (1987) Genetic parameters for reproductive traits. In 'Merino improvement programs in Australia'. (Ed. BJ McGuirk) pp. 229-242. (Australian Wool Corporation: Melbourne)
57. Purvis IW, Swan AA (1997) Can follicle density be used to enhance the rate of genetic improvement in Merino flocks? Proceedings of the Australian Association of Animal Breeding and Genetics 12, 512-515.
58. Rendel JM, Nay T (1978) Selection for high and low ratio and high and low primary density in Merino sheep. Australian Journal of Agricultural Research 29, 1077-1086.
59. Rose M, Pepper PM (1999) Genetic parameters for production traits in Queensland Merinos. Proceedings of the Association for the Advancement of Animal Breeding and Genetics 13, 114-117.
60. Rufaut NW, Pearson AJ, Nixon AJ, Wheeler TT, Wilkins RJ (1999) Identification of differentially expressed genes during a wool follicle growth cycle induced by prolactin. Journal of Investigative Dermatology 113, 865-872.
61. Schwartz MW, Boyko EJ, Kahn SE, Ravussin E, Bogardus C (1995) Reduced insulin secretion: an independent predictor of body weight gain. Journal of Clinical Endocrinology and Metabolism 80, 1571-1576.
62. Shafron W, Martin P, Ashton D, Ha A (2000) 'A profile of Australian wool producers 1995-96 to 1998-99.' (Australian Bureau of Agricultural and Resource Economics: Canberra, ACT)
63. Shorthose WR (1970) Glucose tolerance of sheep as related to post-mortem muscle characteristics. Australian Journal of Agricultural Research 21, 939-943.
64. Skerritt JW, Reverter A, Kaiser CJ, Tier B (1997) Genetic parameter estimates for wool follicle traits are similar in selected and random bred populations. Proceedings of the Association for the Advancement of Animal Breeding and Genetics 12, 163-166.
65. Swan AA, Piper LR, Brewer HG, Purvis IW (2001) Genetic variation in reproductive performance of fine wool Merinos. Proceedings of the Association for the Advancement of Animal Breeding and Genetics 14, 417-420.
66. Swan AA, Purvis IW, Piper LR, Lamb PR, Robinson GA (2000) The CSIRO Finewool project - background and objectives. In 'Finewool 2000, breeding for customer needs'. (Eds AA Swan, LR Piper) pp. 65-71. (CSIRO Livestock Industries: Armidale, NSW)
67. Taylor JF, Sanders JO, Rocha JL (1997) Twenty-first century challenges for genetic improvement in the livestock industries. Proceedings of the Association for the Advancement of Animal Breeding and Genetics 12, 1-19.
68. Thompson AN, Doyle PT, Grimm M (1994) Effects of stocking rate in spring on liveweight and wool production of sheep grazing annual pastures. Australian Journal of Agricultural Research 45, 367-389.
69. Turner HN, Brooker MG, Dolling CHS (1970) Response to selection in Australian Merino sheep. III Single character selection for high and low values of wool weight and its components. Australian Journal of Agricultural Research 21, 955-984.
70. Williams AJ, Winston RJ (1987) A study of the characteristics of wool follicle and fibre in Merino sheep genetically different in wool production. Australian Journal of Agricultural Research 38, 743-755.
71. Wilson PA, Short BF (1979) Cell proliferation and cortical cell production in relation to wool growth. Australian Journal of Biological Science 32, 317-327.
72. Woolaston RR (1987) Genotype x environment interactions and their possible impact on breeding programs. In 'Merino improvement programs in Australia'. (Ed. BJ McGuirk) pp. 421-435. (Australian Wool Corporation: Melbourne)
73. Yamin M, Hynd PI, Ponzoni RW, Hill JA, Pitchford WS, Hansford KA (1999) Is fibre diameter variation along the staple a good indirect selection criterion for staple strength? Wool Technology and Sheep Breeding 47, 151-158.