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 2.62
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -0.35 -0.375 0.13
Prot (kg) -3.52 -0.441 1.55
Fertility Sub Index -1.18
Calving Interval (days) 0.66 -1.459 -0.96
Survival (%) -0.19 1.117 -0.21
Calving Sub Index 1.83
Gestation Length (days) -1.99 -0.919 1.83
Beef Sub Index 0.94
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 3.56 -0.432 -1.54
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 8.11

* Based on an €80/tonne carbon price