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 17.68
Milk (kg) -298.00 -0.014 4.17
Fat (kg) -19.25 -0.375 7.21
Prot (kg) -14.27 -0.441 6.30
Fertility Sub Index 8.54
Calving Interval (days) -5.14 -1.459 7.50
Survival (%) 0.93 1.117 1.04
Calving Sub Index 1.12
Gestation Length (days) -1.22 -0.919 1.12
Beef Sub Index 1.26
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.26 -0.432 -0.11
Maintenance Sub Index Maint. Sub Index 4.51
Live WT (kg) -14.70 -0.307 4.51
Total Carbon Sub Index 33.11

* Based on an €80/tonne carbon price