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 6.16
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -4.19 -0.375 1.57
Prot (kg) -5.33 -0.441 2.35
Fertility Sub Index 1.37
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) 0.08 1.117 0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.22
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 9.10

* Based on an €80/tonne carbon price