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 6.34
Milk (kg) -266.00 -0.014 3.72
Fat (kg) -2.83 -0.375 1.06
Prot (kg) -3.53 -0.441 1.56
Fertility Sub Index -1.03
Calving Interval (days) 1.04 -1.459 -1.52
Survival (%) 0.44 1.117 0.49
Calving Sub Index -2.22
Gestation Length (days) 2.41 -0.919 -2.22
Beef Sub Index -1.25
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 3.27 -0.432 -1.41
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 4.64

* Based on an €80/tonne carbon price