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 3.75
Milk (kg) -158.00 -0.014 2.21
Fat (kg) 0.49 -0.375 -0.18
Prot (kg) -3.89 -0.441 1.72
Fertility Sub Index 4.89
Calving Interval (days) -2.60 -1.459 3.79
Survival (%) 0.98 1.117 1.09
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index 0.49
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.42 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 11.41

* Based on an €80/tonne carbon price