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 17.13
Milk (kg) -283.00 -0.014 3.96
Fat (kg) -17.47 -0.375 6.54
Prot (kg) -15.00 -0.441 6.62
Fertility Sub Index 1.65
Calving Interval (days) -0.96 -1.459 1.40
Survival (%) 0.22 1.117 0.25
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.01
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 20.51

* Based on an €80/tonne carbon price