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 6.71
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -7.34 -0.375 2.75
Prot (kg) -6.34 -0.441 2.80
Fertility Sub Index 6.13
Calving Interval (days) -3.25 -1.459 4.74
Survival (%) 1.24 1.117 1.39
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index 2.78
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -2.89 -0.432 1.25
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 18.18

* Based on an €80/tonne carbon price