Adrenal cortex

Effect of weaning age on cortisol release in piglets

L. A. Li, Yang, J. J., Li, Y., Lv, L., Xie, J. J., Du, G. M., Jin, T. M., Qin, S. Y., Jiao, X. L., Li, L. A., Yang, J. J., Li, Y., Lv, L., Xie, J. J., Du, G. M., Jin, T. M., Qin, S. Y., and Jiao, X. L., Effect of weaning age on cortisol release in piglets, vol. 15, p. -, 2016.

The effect of weaning age on the adrenal cortex, which plays a vital role in the stress response, is currently unknown. Therefore, plasma adrenocorticotropic hormone (ACTH) and cortisol levels, weights and relative weights of adrenal glands, and steroidogenesis-related protein and enzyme expression levels in piglets weaned on different days were determined. Piglets weaned at 35 days had significantly lower ACTH levels than those weaned at 14 or 21 days, and cortisol levels of piglets weaned at 21, 28, and 35 days were significantly lower than those of piglets weaned on day 14.

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