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 2.10
Milk (kg) -199.00 -0.014 2.79
Fat (kg) 6.30 -0.375 -2.36
Prot (kg) -3.80 -0.441 1.68
Fertility Sub Index 1.01
Calving Interval (days) 0.03 -1.459 -0.04
Survival (%) 0.94 1.117 1.05
Calving Sub Index 1.76
Gestation Length (days) -1.92 -0.919 1.76
Beef Sub Index 1.21
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 3.18 -0.432 -1.37
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 10.96

* Based on an €80/tonne carbon price