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 16.71
Milk (kg) -271.00 -0.014 3.79
Fat (kg) -16.26 -0.375 6.09
Prot (kg) -15.46 -0.441 6.82
Fertility Sub Index 10.14
Calving Interval (days) -6.29 -1.459 9.18
Survival (%) 0.86 1.117 0.96
Calving Sub Index 1.08
Gestation Length (days) -1.17 -0.919 1.08
Beef Sub Index 1.04
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.41 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 5.27
Live WT (kg) -17.20 -0.307 5.27
Total Carbon Sub Index 34.23

* Based on an €80/tonne carbon price