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 2.34
Milk (kg) -100.00 -0.014 1.40
Fat (kg) 0.74 -0.375 -0.28
Prot (kg) -2.76 -0.441 1.22
Fertility Sub Index 6.11
Calving Interval (days) -2.97 -1.459 4.33
Survival (%) 1.59 1.117 1.78
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.07
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 18.62

* Based on an €80/tonne carbon price