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 1.93
Milk (kg) -30.00 -0.014 0.42
Fat (kg) -4.55 -0.375 1.70
Prot (kg) 0.44 -0.441 -0.19
Fertility Sub Index 9.03
Calving Interval (days) -5.34 -1.459 7.79
Survival (%) 1.11 1.117 1.24
Calving Sub Index -0.46
Gestation Length (days) 0.50 -0.919 -0.46
Beef Sub Index 3.16
Carcass Weight (kg) -8.70 -0.528 4.59
Age of Slaughter (days) 3.30 -0.432 -1.42
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 18.57

* Based on an €80/tonne carbon price