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 -2.09
Milk (kg) 139.00 -0.014 -1.95
Fat (kg) -2.71 -0.375 1.02
Prot (kg) 2.63 -0.441 -1.16
Fertility Sub Index 1.44
Calving Interval (days) -0.82 -1.459 1.20
Survival (%) 0.22 1.117 0.25
Calving Sub Index -1.10
Gestation Length (days) 1.20 -0.919 -1.10
Beef Sub Index -2.11
Carcass Weight (kg) 3.10 -0.528 -1.64
Age of Slaughter (days) 1.11 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index -1.35
Live WT (kg) 4.40 -0.307 -1.35
Total Carbon Sub Index -5.21

* Based on an €80/tonne carbon price