Table 5.
Enzymatic activities of gamma-glutamyltransferase (GGT), alanine aminotransferase (ALT), aspartate aminotransferase (AST), and creatine kinase myocardial isoenzyme (CK-MB) in Boer crossbred goat kids fed diets containing crude glycerin.
| Variable/h | Crude glycerin inclusion level (%) | SEM1 | p value* | |||||
|---|---|---|---|---|---|---|---|---|
| 0 | 5 | 10 | 15 | L2 | Q3 | |||
| GGT (UI/L) | 0 h | 46.96 | 47.97 | 46.59 | 53.76 | 1.3257 | 0.1767 | 0.1967 |
| 4 h | 49.41 | 50.39 | 51.52 | 51.45 | 1.0063 | 0.4747 | 0.8163 | |
| AST (UI/L) | 0 h | 53.27 | 49.98 | 43.56 | 51.83 | 2.3206 | 0.5634 | 0.1678 |
| 4 h | 63.68 | 60.55 | 52.19 | 61.24 | 1.9290 | 0.3788 | 0.1295 | |
| CK-MB (UI/L) | 0 h | 190.68 | 189.21 | 193.69 | 192.00 | 2.2218 | 0.7029 | 0.9822 |
| 4 h | 194.13 | 193.79 | 186.57 | 192.23 | 2.2261 | 0.5414 | 0.5267 | |
1SEM = Standard error of the mean. 2Significance for linear effect. 3Significance for quadratic effect. 0 h = before morning feeding. 4 h = 4 h after morning feeding. mg/dL = milligrams per deciliter. g/dL = grams per deciliter. p value * = significant probability at the 5% level.