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 12.12
Milk (kg) -226.00 -0.014 3.16
Fat (kg) -9.86 -0.375 3.69
Prot (kg) -11.93 -0.441 5.27
Fertility Sub Index 1.44
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.36 1.117 0.40
Calving Sub Index 0.51
Gestation Length (days) -0.56 -0.919 0.51
Beef Sub Index -1.53
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 2.94 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index -0.09
Live WT (kg) 0.30 -0.307 -0.09
Total Carbon Sub Index 12.45

* Based on an €80/tonne carbon price