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 22.04
Milk (kg) -694.00 -0.014 9.72
Fat (kg) -13.88 -0.375 5.20
Prot (kg) -16.14 -0.441 7.12
Fertility Sub Index 5.86
Calving Interval (days) -3.26 -1.459 4.76
Survival (%) 0.99 1.117 1.11
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index 0.06
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 31.26

* Based on an €80/tonne carbon price