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 4.09
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -2.72 -0.375 1.02
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index -4.35
Calving Interval (days) 2.59 -1.459 -3.78
Survival (%) -0.51 1.117 -0.57
Calving Sub Index 2.52
Gestation Length (days) -2.74 -0.919 2.52
Beef Sub Index 0.16
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 4.39 -0.432 -1.90
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 4.75

* Based on an €80/tonne carbon price