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 6.82
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -5.57 -0.375 2.09
Prot (kg) -6.72 -0.441 2.97
Fertility Sub Index 1.21
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.16 1.117 0.18
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.25
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index -0.09
Live WT (kg) 0.30 -0.307 -0.09
Total Carbon Sub Index 7.71

* Based on an €80/tonne carbon price