Papers by Dr. David Cottle

Home email: adcottle ampersand bigpond.com

e-publications

JOURNAL ARTICLES 

1. McManus, W.R., Cottle, D.J., Lee, G.J., Jackson G.D.F., Black J. (1978) Observations on toxicity to mice of rumen fluid from sheep fed roughage or concentrate diets. Res.Vet. Sci.24: 388-389

2. Cottle, D.J. (1986) How much is a superior ram worth? Wool Tech. Sheep Breed. 34:110-112.

3. Cottle, D.J. (1986) Wool properties of housed superfine Merino wethers fed grain, lucerne chaff and mixed rations. Wool Tech. Sheep Breed. 34: 132-137.

4. Cottle, D.J. (1987) Fleece Weight: Fibre Diameter Ratios and Sheep Selection. Wool Tech. Sheep Breed. 35: 186-189.

5. Cottle, D.J. (1988) Effects of defaunation of the rumen and supplementation with amino acids on the wool production of housed Saxon Merinos 1. Lupins and Extruded Lupins. Aust. J. Exp. Agric. 28: 173-178.

6. Cottle, D.J. (1988) Effects of defaunation of the rumen and supplementation with amino acids on the wool production of housed Saxon Merinos 2. Methionine and protected methionine. Aust. J. Exp. Agric. 28: 179-185.

7. Cottle, D.J. (1988) Effects of defaunation of the rumen and supplementation with amino acids on the wool production of housed Saxon Merinos 3. Cottonseed Meal and hydroxy-methyl-methionine. Aust. J. Exp. Agric. 28: 699-706.

8. Cottle, D.J. (1988) Effects of defaunation of the rumen and supplementation with amino acids on the wool production of housed Saxon Merinos 4. Cottonseed Meal, analogues of methionine and avoparcin. Aust. J. Exp. Agric.28: 707-711.

9. Cottle, D.J. and Maddever, D.C. (1988) Optimisation of returns in sheep breeding programmes based on objective measurement. WRONZ Special Publication 6: 274-283.

10. Maddever, D.C., Carnaby, G.A., Ross, D.A. and Cottle, D.J. (1988) Vector space concepts in price relativity analysis. WRONZ Special Publication 6: 439-445.

11. Cottle, D.J. (1988) Effects of cottonseed meal, methionine and avoparcin on the wool production of young, grazing wethers. Aust. J. Exp. Agric. 28: 713-718.

12. Cottle, D.J. and Velle, W. (1989) Degradation and outflow of amino acids from the rumen of sheep. Br. J. Nutr. 61: 397-408.

13. Cottle, D.J. and Wilkinson, B.R. (1989) Information from New Zealand and Australian Merino Wether trials. Wool Tech. Sheep Breed. 37: 118-123.

14. Cottle, D.J. and Velle, W. (1989) Traces study of methionine metabolism in sheep.  Australasian J. Anim. Science 2(3): 226-227.

15. Cottle, D.J. (1990) The derivation of economic values in breeding programs for Australian Merino sheep with changing wool prices and flock production averages. Aust. J. Agric. Res. 41: 769-780.

16. Cottle, D.J. (1990) The search for the best fine wool sires. Wool Tech Sheep Breed. 38: 92-95.

17. Cottle, D.J. and Bowman, P.J. (1990) Perspectives on Merino wool producers’ problems in satisfying processors’ raw material specifications. Wool Tech Sheep Breed. 38: 114-118.

18. Roberts, E.M., Atkins, K.D., Cottle D.J., Eppleston, J., James, J.W., Lollback M., Schuman W. and Reed, P. (1991) A National Sire Evaluation Program. Wool Tech. Sheep Breed. 39: 2-7.

19. Cottle, D.J., Epplestone, J. and Roberts, E.M. (1991) Fleece traits to be considered in Merino sire evaluation schemes. Wool Tech. Sheep Breed. 39: 88-90.

20. Cottle, D.J., Zhao, W. and Jones, J.C. (1992) Experiments to promote colour changes in wool. J. Chem. Technol. Biotechnol.55(4): 351-354.

21. Bowman, P.J., Cottle, D.J., White, D.H. and Bywater, A.C. (1993) Simulation of wool growth rate and fleece characteristics of Merino sheep in southern Australia. 1. Model description. Agric. Systems 43: 287-299.

22. Bowman, P.J., White, D.H., Cottle, D.J. and Bywater, A.C. (1993) Simulation of wool growth rate and fleece characteristics of Merino sheep in southern Australia. 2. Assessment of biological components of the model. Agric. Systems 43: 301-321.

23. Cottle, D.J., Russell, B.C. and Eppleston, J. (1993) Merino sire evaluation central test results 1987-1991. Wool Tech. Sheep Breed. 41(1): 29-36.

24. Cottle, D.J., (1993) Is it best to purchase cast-for-age ewes or cull maidens?  Wool Tech. Sheep Breed. 41(2): 91-98.

25. Cottle, D.J., Russell, B.C., Atkins, K.D. and Casey, A. (1993) Combining hogget and adult performance of progeny in the New England sire evaluation scheme. Wool Tech. Sheep Breed. 41(2): 138-147.

26. Ford, K.L. and Cottle, D.J. (1993) A Review of the use of sheep coats to improve the processing potential of wool. Wool Tech. Sheep Breed. 41(2): 161-72.

27. Russell, B.C. and Cottle, D.J. (1993) Sampling variance in sale lots and its influence on test precision. Wool Tech. Sheep Breed. 41(2): 173-184.

28. Aitken, F.J., Cottle, D.J., Wilkinson, B.R. and Reid, T.C. (1994) Mineral and amino acid composition of wool from New Zealand Merino Sheep differing in susceptibility to yellowing. Aust. J. Agric. Res. 45: 391-401.

29. Cottle, D.J. (1994) Wool prices and sheep breeding objectives - a historical perspective. Aust. J. Agric. Res. 45: 1671-1681.

30. Cottle, D.J., Eppleston, J., Atkins, K.D. and Casey, A.E. (1994) Merino Central Test Sire Evaluation- Riverina and Macquarie 1989-1992. Wool Tech. Sheep Breed. 42(1): 9- 26.

31. Cottle, D.J. (1994) Effects of clip preparation practices on lot size and raw wool characteristics of growers lines. Wool Tech Sheep Breed. 42(2): 193-211.

32. Cottle, D.J. and James, J.W. (1994) Australian Merino Central test Sire Evaluation schemes: Operational issues. Wool Tech. Sheep Breed. 42(3): 263-267.

33. Cottle, D.J. and Zhao, W. (1995) Changes in wool colour Part 1: Incubation of wool to promote a stable wool colour. J. Text. Instit. 86(1): 136-147.

34. Cottle, D.J. (1995) Wooltech Merinos: A resource flock using elite link sires. Wool Tech. Sheep Breed. 43 (1): 47-55.

35. Casey, A.E., Atkins, K.D., Coelli, K.A and Cottle D.J. (1995) Merino central test sire evaluation: medium wool (1989-1993) and fine wool (1990-1993). Wool Tech. Sheep Breed. 43 (1): 30-46.

36. Cottle, D.J. (1996) Selection programs for fleece rot resistance in Merino sheep. Aust. J. Agric. Res. 47: 1213-1233.

37. Cottle, D.J. and Hickson, J. (1996) Using industry-recommended link sires to benchmark on-farm performance. Wool Tech. Sheep Breed. 44(1): 10-16.

38. Cottle, D.J., Almeida, C.D., Baxter, B.P. and Petrie, D.J. (1996) Precision of OFDA fibre diameter measurements of midside wool samples. Wool Tech. Sheep Breed. 44(4): 295-302.

39. Cottle, D.J. and James, J.W. (1997) Linkage and sire by environment interaction in the medium wool Merino central test sire evaluation schemes. Wool Tech. Sheep Breed. 45(2): 108-119.

40. Cottle, D.J (1998). Changes in wool colour. Part II. Dumping and storage. J. Text. Instit. 89(1): 10-25.

41. Cottle, D.J and Zhao, W. (1998). Changes in wool colour. Part III. Processing. J. Text. Instit.89(1): 26-43.

42. Baxter, B.P. and Cottle, D.J. (1998) The use of midside fleece fibre diameter distribution measurements in sheep selection. Wool Tech. Sheep Breed. 46(2): 154-171.

43. Maddever, D. and Cottle, D. J. (1999) Product-process groups and wool price. Wool Tech. Sheep Breed. 47(1): 38-46.

44. Cottle, D.J and Bryson, W. (2002) A review of markers for wool and sheep carcase quality traits. Wool Tech. and Sheep Breed. 50: 401-409.

45. Cottle, D.J (2003). Sheep and wool science education in Australian universities. Int. J. Sheep Wool Sci. 51: 359-388.

46. Cottle, D.J. and Williams, M. (2006) Future human capability building in the sheep and wool industry. Int. J. Sheep Wool Sci. 54: 62-69.

47. Cottle, D.J., Nolan, J.V. and Wiedemann, S.G. (2011) Ruminant enteric methane mitigation: a review. Animal Production Science 51: 491–514.

48. Cottle, D. J. and Conington, J. (2012) Breeding for reduced methane emissions in extensive UK sheep systems. Journal of Agricultural Science 150: 570-58.

49. Cottle, D. J. and Coffey, M. (2012) The sensitivity of predicted financial and genetic gains in Holsteins to changes in the economic value of traits. Journal of Animal Breeding and Genetics: 1-15.

50. Cottle, D.J. and Conington, J. (2013) Reducing methane emissions by including methane production or feed intake in genetic selection programmes for Suffolk sheep. Journal of Agricultural Science 151: 872-888.

51. Cottle, D.J., Gaden, C.A., Hoad, J., Lance, D., Smith, J. and Scott, J.M. (2013) The effects of pasture inputs and intensive rotational grazing on superfine wool production, quality and income. Animal Production Science 53: 750-764.

52. Scott JM, K. Behrendt, et al., D. Cottle, et al. (2013) Integrated overview of results from a farmlet experiment which compared the effects of pasture inputs and grazing management on profitability and sustainability. Animal Production Science 53: 841-85.

53. Cottle, D.J. and Romero, C. (2013) Improving pasture intake predictions by variable weighting of plant marker concentrations. Animal Feed Science and Technology 187: 30-43. 

54. Cottle, D.J. (2013) The trials and tribulations of estimating the pasture intake of grazing animals. Animal Production Science 53: 1209-1220.

55. Cottle, D.J. and Eckard, R. (2014) Modelling the reduction in enteric methane from voluntary intake versus controlled individual animal intake of lipid or nitrate supplements. Animal Production Science  54: 2121-2131.

56. Velazco, J.I., Cottle, D.J. and Hegarty, R.S. (2014) Methane emissions and feeding behaviour of feedlot cattle supplemented with nitrate or urea. Animal Production Science 54: 1243-1247.

57. Fleming, E. and Cottle, D.J. (2015) Is the Australian wool industry efficient at converting wool into value? Australasian Agribusiness Review 23: 56-82.

58. Cottle, D.J., Velazco, J.I., Hegarty, R.S. and Mayer, D. (2015) Estimating daily methane production in individual cattle with irregular feed intake patterns from short-term methane emission measurements. Animal 9: 1949-1957.

59. Cottle, D.J. and Baxter, B.P. (2015) Wool Metrology Research and Development to Date. Textile Progress 47: 163-315.

60. Cottle, D.J. and Fleming, E. (2016) Do price premiums for wool characteristics vary for different end products, processing routes and fibre diameter categories ? Animal Production Science 55: 2146-2160.

61. Cottle, D.J., Gilmour, A., Pabiou, T., Amer, P and Fahey A.G. (2016) Genetic selection for increased mean and reduced variance of twinning rate in Belclare ewes. Journal of Animal Breeding and Genetics 133: 126-137.

62. Cottle, D.J, Eckard, R., Bray, S. and Sullivan, M. (2016) An evaluation of carbon offset options for beef production systems on coastal spear grass in central Queensland, Australia. Animal Production Science, 56: 385-392.

63. Cottle, D.J., Harrison, M., and Ghanramani, A. (2016) Sheep greenhouse gas emission intensities under different management practices, climate zones and enterprise types. Animal Production Science, 56: 507-518.

64. Cottle, D.J. (2016) Estimation of the pasture intake of individual yearlings by controlled supplementation with natural 13C or alkanes and alcohols. Livestock Science 184: 13-20.

65. Cottle, D.J. and Cowie, A.L. (2016) Allocation of greenhouse gas production between wool and meat in the life cycle assessment of Australian sheep production. International Journal of Life Cycle Assessment, 21: 820-830.

66. Velazco, J.I., Herd, R.M., Cottle, D.J. and Hegarty, R.S. (2017) Daily methane emissions and emission intensity of grazing beef cattle genetically divergent for residual feed intake. Animal Production Science, 57: 627-635.

67. Cottle, D.J. (2017) Optimising natural 13C marker based pasture intake estimates for cattle using a genetic algorithm approach. Livestock Science, 197: 53-60.

68. Cottle, D.J. and van der Werf, J.H.J. (2017) Optimising the proportion of selection candidates measured for feed intake for a beef cattle breeding objective that includes methane emissions. Journal of Animal Science, 95: 1030-1041.

69. Cottle, D.J. and Pacheco, D. (2017) Prediction of fleece insulation after shearing and its impact on maintenance energy requirements of Romney sheep. Small Ruminant Research, 157: 14-22.

70. Cottle, D.J. and Eckard, R.J. (2017) Beef cattle methane yield: a cluster and meta-analysis. Animal Production Science, submitted.

71. Cottle D.J., Wallace M., Lonergan P. and Fahey A.G. (2017) Bioeconomics of Sexed Semen Utilization in a High-Producing Holstein-Friesian Dairy Herd. J. Dairy Sci. JDS 17-13172

72. Cottle D.J., Dowling, A., Philbin N. and Fahey A.G. (2017) Pedigree and inbreeding analysis of the Connemara Pony. J. Anim Breed. Genet.

73. Wallace M., Lonergan P., Fahey A.G., Cottle D.J. (2017) in prep.


CONFERENCE PUBLICATIONS

Many conference papers available via the Livestock Library  

1. Cottle, D.J., Nolan J.V. and Leng R.E. (1978) Turnover of protozoa and bacteria in the rumen of sheep. Proc. Aust. Soc. Anim. Prod. 12: 138.

2. Cottle, D.J. and Mathew, R. (1982) Feeding oat supplements to pregnant ewes at pasture. Proc. Aust. Soc. Anim. Prod. 14: 640.

3. Cottle, D.J. (1984) Flock structure and genetic gain. Proc. Aust. Anim. Breed Genet. 4: 209-210.

4. Cottle, D.J. and Nolan, J.V. (1982) The use of amino acid profiles to measure microbial protein outflow in the rumen. Proc. Aust. Soc. Anim. Prod. 14: 588-591.

5. Cottle, D.J., Erbs, N.S. and Rebbecchi, M.D. (1984) Automatic recording of sheep production characteristics for use in a selection program. Proc. Aust. Anim. Breed Genet. 4: 211-212.

6. Tomes, G. and Cottle, D.J. (1984) Selection for fertility in pigs. Proc. Aust. Soc. Anim. Prod. 16: 109.

7. Prattley, J.E., Butt, S. and Cottle D.J. (1985) The role of sheep in the management of wheat stubble at Wagga Wagga NSW Riverina Outlook Conference 6: 135-136.

8. Cottle, D.J. (1987) Which is the superior ram?  Proc. Aust. Assoc. Anim. Breed. Genet. 6: 313-316.

9. Cottle, D.J. and Jopp, R. (1987) Maximising Fine Wool Income - Principles Proc. Hill and High Country Seminar, T.G.M.L.I. Special Publication No. 30 pp. 83-118.

10. Cottle, D.J. (1988) Indirect selection for fleece weight using canonical discriminant functions of metabolic parameters.  Proc. N.Z. Soc. Anim. Prod.48: 201-5.

11. Cottle, D.J. and MacDonald, I. (1988) Progress in establishing a New Zealand Sire Referencing Scheme with linkages to Australia. Proc. Aust. Assoc. Anim. Breed. Genet. 7: 402-405.

12. Cottle, D.J., Maddever, D.C. and Sanderson, R.H. (1988) Development of economic values for wool traits using forecasting techniques and vector space analysis of auction data. Proc. Aust. Assoc. Anim. Breed. Genet.7: 398-401.

13. Maddever, D.C., Carnaby, G.A., Ross, D.A. and Cottle, D.J. (1988) Vector space concepts in price relativity analysis. Advanced Workshop on The Application of Mathematics and Physics in the Wool Industry, ed. G. Carnaby, E. Wood and L. Story. WRONZ and The Textile Institute, NZ, WRONZ Special Publication 6: 439-445.

14. Cottle, D.J. and Maddever, D. (1988) Optimisation of returns in sheep breeding programs based on objective measurement. Advanced Workshop on The Application of Mathematics and Physics in the Wool Industry, ed. G. Carnaby, E. Wood and L. Story. WRONZ and The Textile Institute, NZ WRONZ Special Publication 6: 274-283.

15. Nicol, J.J. and Cottle, D.J. (1990) Lincoln University wool measurement service. Proc. Aust. Assoc. Anim. Breed. Genet. 8: 249-253.

16. Cottle, D.J. and MacDonald, I.H. (1990) Canterbury Merino sire test stations. Proc. Aust. Assoc. Anim. Breed. Genet. 8: 307-310.

17. Cottle, D.J. and Bowman, P.J. (1990) Perspectives on Merino producers problems in satisfying processors raw material specifications. Proc. Inter. Wool. Text. Res. Conf. 8(2): 135-144.

18. Maddever, D.C., Carnaby, G.A., Ford, A.M., Ross, D.A. and Cottle, D.J. (1990) Wool fibre statistics. Proc. Inter. Wool. Text. Res. Conf. 8(2): 199-208.

19. Cottle, D.J., Roberts, E.M. and Eppleston J. (1991) Fleece traits to be considered in Merino sire evaluation schemes. Proc. Aust. Assoc. Anim. Breed. Genet.9: 339-343.

20. Cottle, D.J. and Carter, R. R. (1992) Overcoming seasonal depression in wool production in Romney marsh ewes by feed supplementation. Proc. Aust. Soc. Anim. Prod. 19: 135-137.

21. Cottle, D.J. and Russell, B. (1992) Comparison of fine wool Merino rams across the Tasman using linked sire evaluation schemes. Proc. Aust. Assoc. Anim. Breed. Genet. 10: 472-475.

22. Russell, B.C. and Cottle, D.J. (1992) The effect of genetic parameter estimates on breeding value estimation in Merino sire evaluation programs. Proc. Aust. Assoc. Anim. Breed. Genet. 10: 460-463.

23. Mitchell, W.T., Cottle, D.J. and Roberts, E.M. (1992). The evaluation of different sampling methods for the measurement of mean and distribution of fibre diameter. Proc. Aust. Assoc. Anim. Breed. Genet. 10: 444-447.

24. Cottle, D.J. and James, J.W. (1994) Australian Merino central test sire evaluation schemes - operational issues. Proc. 5th. World Congress on Genetics Applied to Live. Prod. 18: 35-38.

25. Beveridge, S., Cottle, D.J. and Roberts, E. (1994) World developments in Merino sire evaluation. Proc. 4th World Merino Conference Montevideo, Uruguay. pp. 199-208.

26. Russell, B.C. and Cottle, D.J. (1995) Estimates of within bale variance for characteristics of Australian wool and the consequences for sampling and testing precision. IWTO Technical Committee Report No. 4, Harrogate June.

27. Russell, B.C., James, J.W. and Cottle, D.J. (1995) An alternate core sampling schedule for the Australian wool clip. IWTO Technical Committee Report No. 5, Harrogate June.

28. Cottle, D.J, Russell, B.C. and Atkins, K.D. (1995) Do merino hoggets with a 'positive micron' have a propensity for 'micron blowout'. Proc. Aust. Assoc. Anim. Breed. Genet. 11: 525-528

29. Cottle, D.J., Almeida, C.D., Baxter, B.P. and Petrie, D.J. (1996) Precision of OFDA fibre diameter measurements of midside wool samples. IWTO Technical Report No. 8, Nice December.

30. Cottle, D.J., Almeida, C.D., and Petrie, D.J. (1996) Preparation of tops for colour measurement. IWTO Technical Report No. 9, Nice December.

31. Wilson, N., Hynd, P.I., Tivey, D.R. and Cottle, D.J. (1996) Cysteine transport into wool follicles. Proc. Aust. Soc. Anim. Prod. 21: 437.

32. Baxter, B.P. and Cottle, D.J.(1997) Fibre diameter distribution characteristics of midside (fleece) samples and their use in sheep breeding. IWTO Technical Report No. 12, Boston May.

33. Cottle, D.J. and Couchman R (1997) Recommended alterations to DTM 56 - Method for the measurement of colour of raw wool.  IWTO, Boston May.

34. James, J.W. and Cottle, D.J. (1997) Detection of genotype by environment interaction using merino sire evaluation data. Proc. Aust. Assoc. Anim. Breed.12: 461-465.

35. Cottle, D.J. (1997) ROMPS: ranking objectively measured progeny-tested sires on index. Proc. Aust. Assoc. Anim. Breed. 12: 395-399.

36. Cottle, D.J. and Couchman R (1997) Recommended alterations to IWTO35 - Method for the measurement of the whiteness of wool slivers.  IWTO, Nice, December.

37. Cottle, D.J. (1998) Merino central test sire evaluation schemes in Australia and New Zealand. Proc. World Merino Conf. 5: 17-27.

38. Liu, X., Wang X.L., Deng, K.D. and Cottle, D.J. (1998) Proc. 2nd China International Wool Textile Conference pp. 752-760.

39. Cottle, D.J. (1998) How does a woolgrower interpret wool price signals? Text. Instit. 26th Annual Conference. pp. 43-59.

40. Reid, T and Cottle, D.J. (1999) Dag formation. Proc. NZ Soc. Anim. Prod. 54:52-54.

41. Cottle, D J. (1999) NZ Merino and Corriedale central test sire evaluation schemes. Proc. Aust. Assoc. Anim. Breed. 13: 436-439.

42. Wei, W., Reid, T., Cottle, D.J. and Maher, A.P. (2001) Sheep crossbreeding in NZ - data availability and information gaps. Proc. Aust. Assoc. Anim. Breed. 14: 529-532.

43. Cottle, D.J. and Maddever, D. (2001) Differences among progeny fleeces in processing performance. Proc. Aust. Assoc. Anim. Breed. 14: 489-492.

44. Wei, W., Cottle D.J., Sedcole, J.R. and Bywater, A. (2003) Simulation of sheep crossbreeding systems- a risk analysis. Proc.  Aust. Assoc. Anim. Breed. 15: 290-293.

45. Whelan, MB, Cottle DJ, Gherardi S and Clark A (2007) The potential for predicting Australian wool supply using remotely sensed data. IWTO CTF paper 5, Edinburgh, May 2007

46. Whelan, MB,Geenty KG, Cottle DJ, Lamb DW, Donald GE (2008) The relationship between a satellite derived vegetation index and wool fibre diameter profiles 10th World Conference on Animal Production, Cape Town, November, 2008.

47. Cottle, DJ,van der Werf JHJ and Banks RG (2009) Is methane production likely to be a future Merino selection criterion? Proc. Aust. Assoc. Anim. Breed. 22: 516-519.

48. Whelan, MB, Cottle DJ, Geenty KG and Brown DJ (2009) Classifying sheep grazing environments using satellite data to quantify genotype by environment interactions. Proc. Aust. Assoc. Anim. Breed. 18: 52-55.

49. Keogh, M and Cottle DJ (2009) Implications of greenhouse emission reduction policies for the Australian sheep industry. Recent Advances in Animal Nutrition - Australia 17: 91-100.

50. Cottle, DJ (2011) Use of residual feed intake as an indirect selection trait for reduction of methane emissions in grazing beef cattle. Proc. Aust. Assoc. Anim. Breed. 19: 423-425.

51. Cottle, DJ (2013) A potential practical system to estimate pasture feed intake of individual animals. Proc. Aust. Assoc. Anim. Breed. 20: 294-297.

52. Cottle, DJ and Wyld, R (2014) Multi-bin bunker systems to control delivery of supplements to individual grazing animals. Proc. 17th Symposium on Precision Agriculture in Australasia. pp 45-50.

53. Cottle, D.J., Velazco, J.I., Mayer, D, Hegarty, R.S. and Herd R.M. (2015) How precise are enteric methane emission phenotypes or breeding values estimated from spot flux measures? Proc. Aust. Assoc. Anim. Breed. 21: 421-424.

54. Cottle, D.J. and Baxter, B.P. (2016) Wool metrology research gaps and innovation. IWTO Congress Wool Innovation and Technology Forum. Report 2016-01. Sydney.

55. Cottle, DJ and Wyld, R (2016) Novel livestock supplementation: reducing shy feeders. Proc. Aust. Soc. Anim. Prod., in press.

56. Cottle, DJ (2017) Optimising the proportion of selection candidates measured for methane emissions in a beef cattle breeding objective that includes feed intake. Proc. Aust. Soc. Anim. Breed. 22: submitted.

BOOKS and CHAPTERS

Cottle, D.J. (ed.) Australian Sheep and Wool Handbook (Melbourne, Inkata Press, 1991).

Cottle, D.J., The Sheep Industry, in Cottle, D.J. (ed.) Australian Sheep and Wool Handbook (Melbourne, Inkata Press, 1991), 3-18.

Cottle, D.J., Sheep Breeds, in Cottle, D.J. (ed.) Australian Sheep and Wool Handbook (Melbourne, Inkata Press, 1991), 19-64.

Cottle, D.J., Digestion and metabolism, in Cottle, D.J. (ed.) Australian Sheep and Wool Handbook (Melbourne, Inkata Press, 1991), 174-211.

Cottle, D.J., Feeding, in Cottle, D.J. (ed.) Australian Sheep and Wool Handbook (Melbourne, Inkata Press, 1991), 212-223.

Teasdale, D. and Cottle, D.J., Wool Preparation, Marketing and Processing, in Cottle, D.J. (ed.) Australian Sheep and Wool Handbook (Melbourne, Inkata Press, 1991), 311-348.

Cottle, D.J. (ed) International Sheep and Wool Handbook (Nottingham University Press, 2010) (Australian Wool Innovation 2013).

Cottle, D.J. and Kahn, LP. (eds.) Beef Production: Production and Trade (CSIRO Publishing, 2014)

Cottle, D.J. and Pitchford, W., Production efficiency, in Cottle, DJ and Kahn LP (eds.) Beef Production: Production and Trade (CSIRO Publishing, 2014)

Citations for papers

      ..........   So that is some of the work done in management, teaching and research: 1978-2017

                                                                            I am now retired from UNE and doing part -time consultancy work and smelling the roses.

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