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 4.64
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -4.65 -0.375 1.74
Prot (kg) -4.69 -0.441 2.07
Fertility Sub Index 1.36
Calving Interval (days) -0.80 -1.459 1.17
Survival (%) 0.17 1.117 0.19
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.11
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 8.02

* Based on an €80/tonne carbon price