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 4.35
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -3.57 -0.375 1.34
Prot (kg) -5.37 -0.441 2.37
Fertility Sub Index 3.72
Calving Interval (days) -1.98 -1.459 2.89
Survival (%) 0.74 1.117 0.83
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.92
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 3.96 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 7.82

* Based on an €80/tonne carbon price