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 7.86
Milk (kg) -192.00 -0.014 2.69
Fat (kg) -8.68 -0.375 3.25
Prot (kg) -4.36 -0.441 1.92
Fertility Sub Index 1.23
Calving Interval (days) -0.21 -1.459 0.31
Survival (%) 0.83 1.117 0.93
Calving Sub Index 1.07
Gestation Length (days) -1.16 -0.919 1.07
Beef Sub Index -1.05
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) 0.72 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 10.28

* Based on an €80/tonne carbon price