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 16.05
Milk (kg) -337.00 -0.014 4.72
Fat (kg) -14.68 -0.375 5.50
Prot (kg) -13.22 -0.441 5.83
Fertility Sub Index 7.73
Calving Interval (days) -5.24 -1.459 7.65
Survival (%) 0.08 1.117 0.09
Calving Sub Index 0.53
Gestation Length (days) -0.58 -0.919 0.53
Beef Sub Index 0.16
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) -0.62 -0.432 0.27
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 25.67

* Based on an €80/tonne carbon price