| FI | Feed intake. |
| FCR | Feed conversion ratio. |
| AND | Apparent nutrient digestibility. |
| DM | Dry matter. |
| N | Nitrogen. |
| E | Energy. |
| CRH | Corticotrophin-releasing hormone. |
| HU | Haugh Units. |
| ACTH | Adrenocorticotrophin. |
| HPA | Hypothalamic–pituitary–adrenal. |
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