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 7.57
Milk (kg) -259.00 -0.014 3.63
Fat (kg) -3.63 -0.375 1.36
Prot (kg) -5.86 -0.441 2.59
Fertility Sub Index 2.81
Calving Interval (days) -1.99 -1.459 2.90
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.06
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) -1.24 -0.432 0.54
Maintenance Sub Index Maint. Sub Index -2.48
Live WT (kg) 8.10 -0.307 -2.48
Total Carbon Sub Index 8.49

* Based on an €80/tonne carbon price