By Bertoni, G. and Cappa, V. and Lombardelli, R. and Maianti, M. G., Zootecnica e Nutrizione Animale, 1990
Description
Blood samples were taken from four cows before and at various periods after hoof trimming in stalls, from four given two i.m. injections of 100 IU ACTH at a 12-hour interval, and from two given nine daily i.m. injections of 51 IU ACTH; there were equal numbers of untreated controls. The acute stress of hoof trimming caused immediate transient increases in blood cortisol and glucose and to a lesser extent in urea, non-esterified fatty acids and sodium. Similar changes occurred in the animals given ACTH, with the greatest changes in the three groups occurring in the animals given the nine consecutive ACTH injections. On the day following treatment both the stressed and control animals showed falls (2-13%) in milk production
Blood samples were taken from four cows before and at various periods after hoof trimming in stalls, from four given two i.m. injections of 100 IU ACTH at a 12-hour interval, and from two given nine daily i.m. injections of 51 IU ACTH; there were equal numbers of untreated controls. The acute stress of hoof trimming caused immediate transient increases in blood cortisol and glucose and to a lesser extent in urea, non-esterified fatty acids and sodium. Similar changes occurred in the animals given ACTH, with the greatest changes in the three groups occurring in the animals given the nine consecutive ACTH injections. On the day following treatment both the stressed and control animals showed falls (2-13%) in milk production
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