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 5.09
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -7.93 -0.375 2.97
Prot (kg) -2.30 -0.441 1.02
Fertility Sub Index 2.28
Calving Interval (days) -1.04 -1.459 1.52
Survival (%) 0.68 1.117 0.76
Calving Sub Index -2.56
Gestation Length (days) 2.79 -0.919 -2.56
Beef Sub Index -0.07
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -0.21 -0.432 0.09
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 10.22

* Based on an €80/tonne carbon price