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 6.15
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -2.90 -0.375 1.09
Prot (kg) -6.44 -0.441 2.84
Fertility Sub Index -3.09
Calving Interval (days) 1.92 -1.459 -2.80
Survival (%) -0.26 1.117 -0.29
Calving Sub Index -0.22
Gestation Length (days) 0.24 -0.919 -0.22
Beef Sub Index -0.85
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 0.13 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index -0.18
Live WT (kg) 0.60 -0.307 -0.18
Total Carbon Sub Index 1.81

* Based on an €80/tonne carbon price