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 20.41
Milk (kg) -487.00 -0.014 6.82
Fat (kg) -17.80 -0.375 6.67
Prot (kg) -15.70 -0.441 6.93
Fertility Sub Index 7.04
Calving Interval (days) -3.31 -1.459 4.83
Survival (%) 1.98 1.117 2.21
Calving Sub Index 1.88
Gestation Length (days) -2.05 -0.919 1.88
Beef Sub Index 2.00
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) -2.44 -0.432 1.05
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 35.08

* Based on an €80/tonne carbon price