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 5.14
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -2.49 -0.375 0.93
Prot (kg) -4.74 -0.441 2.09
Fertility Sub Index -1.85
Calving Interval (days) 0.66 -1.459 -0.96
Survival (%) -0.79 1.117 -0.88
Calving Sub Index -0.21
Gestation Length (days) 0.23 -0.919 -0.21
Beef Sub Index 0.21
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.99 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 4.45

* Based on an €80/tonne carbon price