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 1.22
Milk (kg) -57.00 -0.014 0.80
Fat (kg) 1.52 -0.375 -0.57
Prot (kg) -2.25 -0.441 0.99
Fertility Sub Index 3.14
Calving Interval (days) -1.90 -1.459 2.77
Survival (%) 0.33 1.117 0.37
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index 0.48
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 0.10 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 7.94

* Based on an €80/tonne carbon price