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 5.37
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -6.35 -0.375 2.38
Prot (kg) -2.76 -0.441 1.22
Fertility Sub Index -0.40
Calving Interval (days) 1.23 -1.459 -1.79
Survival (%) 1.25 1.117 1.40
Calving Sub Index -0.52
Gestation Length (days) 0.57 -0.919 -0.52
Beef Sub Index -1.93
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 7.27 -0.432 -3.14
Maintenance Sub Index Maint. Sub Index 5.73
Live WT (kg) -18.70 -0.307 5.73
Total Carbon Sub Index 8.26

* Based on an €80/tonne carbon price