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 20.10
Milk (kg) -312.00 -0.014 4.37
Fat (kg) -22.26 -0.375 8.34
Prot (kg) -16.76 -0.441 7.40
Fertility Sub Index 6.89
Calving Interval (days) -3.16 -1.459 4.61
Survival (%) 2.04 1.117 2.28
Calving Sub Index -1.53
Gestation Length (days) 1.66 -0.919 -1.53
Beef Sub Index -1.93
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 7.41 -0.432 -3.20
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 29.78

* Based on an €80/tonne carbon price