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 10.76
Milk (kg) -234.00 -0.014 3.28
Fat (kg) -9.92 -0.375 3.72
Prot (kg) -8.54 -0.441 3.77
Fertility Sub Index 6.15
Calving Interval (days) -3.56 -1.459 5.19
Survival (%) 0.86 1.117 0.96
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index 0.53
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.21 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 20.50

* Based on an €80/tonne carbon price