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 20.57
Milk (kg) -483.00 -0.014 6.76
Fat (kg) -21.59 -0.375 8.09
Prot (kg) -12.96 -0.441 5.72
Fertility Sub Index 1.19
Calving Interval (days) -0.57 -1.459 0.83
Survival (%) 0.32 1.117 0.36
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 2.64
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -3.43 -0.432 1.48
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 34.22

* Based on an €80/tonne carbon price