Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 10.70
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -12.21 -0.375 4.57
Prot (kg) -8.52 -0.441 3.76
Fertility Sub Index 2.63
Calving Interval (days) -1.33 -1.459 1.94
Survival (%) 0.62 1.117 0.69
Calving Sub Index -1.42
Gestation Length (days) 1.55 -0.919 -1.42
Beef Sub Index -2.71
Carcass Weight (kg) 1.70 -0.528 -0.90
Age of Slaughter (days) 4.19 -0.432 -1.81
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 12.76

* Based on an €80/tonne carbon price