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 6.74
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -8.67 -0.375 3.25
Prot (kg) -2.86 -0.441 1.26
Fertility Sub Index 0.40
Calving Interval (days) 0.70 -1.459 -1.02
Survival (%) 1.27 1.117 1.42
Calving Sub Index -0.73
Gestation Length (days) 0.79 -0.919 -0.73
Beef Sub Index -1.77
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 7.16 -0.432 -3.09
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 10.80

* Based on an €80/tonne carbon price