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 4.96
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -5.86 -0.375 2.19
Prot (kg) -1.07 -0.441 0.47
Fertility Sub Index 3.46
Calving Interval (days) -2.01 -1.459 2.93
Survival (%) 0.47 1.117 0.53
Calving Sub Index 1.09
Gestation Length (days) -1.19 -0.919 1.09
Beef Sub Index 1.83
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 0.89 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 15.03

* Based on an €80/tonne carbon price