References:
[1] L. H. Benjamin, and P. A. Patricia, "Developmental and hair-coat
determinants of grooming behavior in goats and sheep" Anim.
Behav., Vol. 67(1), 2004, pp. 11-19.
[2] H.J. Black, and D.M.B. Chestnutt, "Influence of shearing regime and
grass silage quality on the performance of pregnant ewes" Anim. Prod.,
vol. 51, 1990, pp. 573-582.
[3] M. A. Cam, and M. Kuran, "Shearing pregnant ewes to improve lamb
birth weight increases milk yield of ewes and lamb weaning weight"
Asian-australas J. Ani. Sci., vol. 17, 2004, pp. 1669-1673.
[4] O. R. Dyrumundsson, "Shearing time of sheep with special reference to
conditions in Northern Europe: a review" Icel. Agric. Sci., vol. 5, 1991,
pp. 39-46.
[5] N. M. Fogarty, D. G. Hall, and P. J. Holst, "The effect of nutrition in
mid-pregnancy and ewe live weight change on birth weight and
management for lamb survival in highly fecund ewes" Aust. J. Experi.
Agri., vol. 32, 1992, pp. 1-10.
[6] A. L. Hargreaves, and G. D. Hutson, "Changes in heart-rate, plasmacortisol
and haematocrit of sheep during a shearing procedure" Appl.
Anim. Behav. Sci., vol. 26, 1990, pp. 91-101.
[7] P. R. Kenyon, S. T. Morris, D. K. Revell, and S. N. McCutcheon,
"Shearing during pregnancy- a review of a policy to increase birth
weight and survival of lambs in New Zealand pastoral farming
systems" N. Z. Vet. J., vol. 51, 2003, pp. 200-207.
[8] S. T. Morris, and S. N. McCutcheon, "Selective enhancement of growth
in twin foetuses by shearing ewes in early gestation" Anim. Sci., vol.
65, 1997, pp. 105-110.
[9] S. T. Morris, P. R. Kenyon, D. L. Burnham, and S. N. McCutcheon,
"The influence of pre-lamb shearing on lamb birth weight and
survival" Proc. N. Z. Grasslands Assoc., vol. 61, 1999, pp. 95-98.
[10] J. B. Outhouse, "Sheep management techniques" in Handbook of
livestock Management Techniques, Surjeet publications, (R. A.
Battaglia, and V. B. Mayrose, eds.), India: New Delhi, 1987, pp. 405-
407.
[11] R. Pawelek, and C. Croney, "Understanding and Addressing Issues
Related to the Well-being of Livestock" in Animal Welfare, Oregon
State University. EM 8826. March 2003.
[12] D. K. Revell, S. T. Morris, Y. H. Cottam, J. E. Hanna, D. G. Thomas, S.
Brown, and S. N. McCutcheon, "Shearing ewes at mid-pregnancy is
associated with changes in fetal growth" Aust. J. Agri. Res., vol. 53,
2002, pp. 697-705.
[13] E. Rolleri, M. Zannino, S. O`Riandini, and R. Malvano, "Analysis of
cortisol" Clin. Chim. Acta, vol. 66, 1976, pp. 319.
[14] G. W. Snedecor, and W. G. Cochran, "Statistical Methods" 8th ed.
Iowa State University Press, Ames, IA., 1989.
[15] K. J. Staffords, and D. J. Mellor, "Castration, tail docking and
dehorning. What are the constraints" Proc. N. Z. Soc. Anim. Prod., vol.
53, 1993, pp. 189-195.
[16] M. E. Symonds, M. J. Bryant, and M. A. Lomax, "The effect of shearing
on the energy metabolism of the pregnant ewe" Br. J. Nut., vol. 56(3),
1986, pp. 635-643.
[17] M. E. Symonds, M. J. Bryant, and M. A. Lomax, "Metabolic adaptation
during lactation in winter-shorn sheep"J. Agri. Sci. Camb., vol. 114,
1990, pp. 201-205.
[18] B. C. Thompson, P. D. Muir, and N. B. Smith, "Litter size, lamb
survival, birth and twelve week weight in lambs born to cross-bred
ewes" Proc. N. Z. Grasslands Assoc., vol. 66, 2004, pp. 233-237.
[19] J. E. Vipond, M. E. King, D. M. Inglis, and E. A. Hunter, "The effect of
winter shearing of housed pregnant ewes on food intake and animal
performance" Anim. Prod., vol. 45, 1987, pp. 211-221.