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 2.49
Milk (kg) 3.00 -0.014 -0.04
Fat (kg) -4.09 -0.375 1.53
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index 2.34
Calving Interval (days) -1.46 -1.459 2.13
Survival (%) 0.19 1.117 0.21
Calving Sub Index 0.16
Gestation Length (days) -0.17 -0.919 0.16
Beef Sub Index -3.17
Carcass Weight (kg) 3.30 -0.528 -1.74
Age of Slaughter (days) 3.31 -0.432 -1.43
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 3.01

* Based on an €80/tonne carbon price