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 5.51
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -4.29 -0.375 1.61
Prot (kg) -4.43 -0.441 1.96
Fertility Sub Index 9.46
Calving Interval (days) -5.59 -1.459 8.16
Survival (%) 1.17 1.117 1.31
Calving Sub Index 0.13
Gestation Length (days) -0.14 -0.919 0.13
Beef Sub Index 3.08
Carcass Weight (kg) -6.30 -0.528 3.32
Age of Slaughter (days) 0.57 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 4.84
Live WT (kg) -15.80 -0.307 4.84
Total Carbon Sub Index 23.03

* Based on an €80/tonne carbon price