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 4.68
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -7.90 -0.375 2.96
Prot (kg) -0.79 -0.441 0.35
Fertility Sub Index 8.07
Calving Interval (days) -4.06 -1.459 5.92
Survival (%) 1.92 1.117 2.15
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.06
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -0.74 -0.432 0.32
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 25.00

* Based on an €80/tonne carbon price