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 2.79
Milk (kg) -20.00 -0.014 0.28
Fat (kg) 3.34 -0.375 -1.25
Prot (kg) -8.52 -0.441 3.76
Fertility Sub Index 1.03
Calving Interval (days) -0.33 -1.459 0.48
Survival (%) 0.49 1.117 0.55
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.80
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 2.94 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 0.64
Live WT (kg) -2.10 -0.307 0.64
Total Carbon Sub Index 2.20

* Based on an €80/tonne carbon price