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 11.86
Milk (kg) -436.00 -0.014 6.10
Fat (kg) -4.69 -0.375 1.76
Prot (kg) -9.06 -0.441 4.00
Fertility Sub Index 5.05
Calving Interval (days) -3.31 -1.459 4.83
Survival (%) 0.20 1.117 0.22
Calving Sub Index 0.51
Gestation Length (days) -0.56 -0.919 0.51
Beef Sub Index 0.81
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) -0.04 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 21.21

* Based on an €80/tonne carbon price