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 5.50
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -1.79 -0.375 0.67
Prot (kg) -5.90 -0.441 2.60
Fertility Sub Index 0.50
Calving Interval (days) -0.52 -1.459 0.76
Survival (%) -0.23 1.117 -0.26
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.21
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 0.37
Live WT (kg) -1.20 -0.307 0.37
Total Carbon Sub Index 7.11

* Based on an €80/tonne carbon price