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 12.15
Milk (kg) -305.00 -0.014 4.27
Fat (kg) -10.26 -0.375 3.84
Prot (kg) -9.14 -0.441 4.03
Fertility Sub Index 6.52
Calving Interval (days) -4.11 -1.459 6.00
Survival (%) 0.47 1.117 0.53
Calving Sub Index -0.31
Gestation Length (days) 0.34 -0.919 -0.31
Beef Sub Index 0.57
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 0.40 -0.432 -0.17
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 21.56

* Based on an €80/tonne carbon price