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 8.17
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -5.08 -0.375 1.90
Prot (kg) -9.40 -0.441 4.15
Fertility Sub Index -0.22
Calving Interval (days) 0.10 -1.459 -0.15
Survival (%) -0.07 1.117 -0.08
Calving Sub Index -0.12
Gestation Length (days) 0.13 -0.919 -0.12
Beef Sub Index 0.25
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.36 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index -1.44
Live WT (kg) 4.70 -0.307 -1.44
Total Carbon Sub Index 6.63

* Based on an €80/tonne carbon price