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 10.67
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -4.96 -0.375 1.86
Prot (kg) -14.51 -0.441 6.40
Fertility Sub Index 1.30
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.24 1.117 0.27
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.09
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 13.68

* Based on an €80/tonne carbon price