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 11.53
Milk (kg) -227.00 -0.014 3.18
Fat (kg) -9.02 -0.375 3.38
Prot (kg) -11.26 -0.441 4.97
Fertility Sub Index 7.23
Calving Interval (days) -4.25 -1.459 6.20
Survival (%) 0.92 1.117 1.03
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index 2.91
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 26.38

* Based on an €80/tonne carbon price