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 7.90
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -9.22 -0.375 3.45
Prot (kg) -5.39 -0.441 2.38
Fertility Sub Index 3.06
Calving Interval (days) -1.59 -1.459 2.32
Survival (%) 0.66 1.117 0.74
Calving Sub Index -1.40
Gestation Length (days) 1.52 -0.919 -1.40
Beef Sub Index -1.80
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) 1.23 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 9.70

* Based on an €80/tonne carbon price