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 6.30
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -5.57 -0.375 2.09
Prot (kg) -6.47 -0.441 2.86
Fertility Sub Index 4.01
Calving Interval (days) -2.22 -1.459 3.24
Survival (%) 0.69 1.117 0.77
Calving Sub Index 1.20
Gestation Length (days) -1.31 -0.919 1.20
Beef Sub Index 3.31
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) -2.53 -0.432 1.09
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 15.49

* Based on an €80/tonne carbon price