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 2.40
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -3.02 -0.375 1.13
Prot (kg) -0.76 -0.441 0.34
Fertility Sub Index -0.53
Calving Interval (days) 1.21 -1.459 -1.77
Survival (%) 1.11 1.117 1.24
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -2.09
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 7.65 -0.432 -3.30
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 5.31

* Based on an €80/tonne carbon price