1 23 International Journal of Biometeorology ISSN 0020-7128 Volume 56 Number 2 Int J Biometeorol (2012) 56:243-252 DOI 10.1007/s00484-011-0420-y Effect of walking stress on growth, physiological adaptability and endocrine responses in Malpura ewes in a semi-arid tropical environment Veerasamy Sejian, Vijai P. Maurya & Syed M. K. Naqvi