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 7.64
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -4.00 -0.375 1.50
Prot (kg) -8.58 -0.441 3.79
Fertility Sub Index 6.57
Calving Interval (days) -4.18 -1.459 6.10
Survival (%) 0.42 1.117 0.47
Calving Sub Index -0.23
Gestation Length (days) 0.25 -0.919 -0.23
Beef Sub Index 2.80
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -3.06 -0.432 1.32
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 18.30

* Based on an €80/tonne carbon price