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 1.66
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -0.76 -0.375 0.28
Prot (kg) -1.35 -0.441 0.60
Fertility Sub Index 6.52
Calving Interval (days) -3.13 -1.459 4.57
Survival (%) 1.75 1.117 1.96
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.72
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -3.01 -0.432 1.30
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 20.19

* Based on an €80/tonne carbon price