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Least square means (±SE) for the effect of sex and age of animal on the activity of creatine kinase levels of cattle at slaughter
| Variables | N | CK (U/L) |
|---|---|---|
| Sex | ||
| Females | 222 | 579.3±13.65b |
| Males | 91 | 724.6±21.31a |
| Age | ||
| 16 months | 116 | 636.6±76.83b |
| 18 months | 85 | 729.6±89.75a |
| 24 months | 112 | 524.1±78.19c |
Means in the same column with different superscripts are significantly different at * p<0.05.
N = Total no. of animal per breed. CK = Creatine kinase.
U/L = Units per litre.
