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 12.38
Milk (kg) -646.00 -0.014 9.04
Fat (kg) 2.26 -0.375 -0.85
Prot (kg) -9.47 -0.441 4.18
Fertility Sub Index 3.20
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 1.49 1.117 1.66
Calving Sub Index 0.80
Gestation Length (days) -0.87 -0.919 0.80
Beef Sub Index 2.77
Carcass Weight (kg) -12.10 -0.528 6.38
Age of Slaughter (days) 8.37 -0.432 -3.61
Maintenance Sub Index Maint. Sub Index 12.17
Live WT (kg) -39.70 -0.307 12.17
Total Carbon Sub Index 31.32

* Based on an €80/tonne carbon price