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 9.79
Milk (kg) -315.00 -0.014 4.41
Fat (kg) -6.01 -0.375 2.25
Prot (kg) -7.09 -0.441 3.13
Fertility Sub Index 1.41
Calving Interval (days) -0.86 -1.459 1.25
Survival (%) 0.14 1.117 0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.26
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 13.47

* Based on an €80/tonne carbon price