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 4.39
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -6.05 -0.375 2.27
Prot (kg) -0.08 -0.441 0.04
Fertility Sub Index 6.75
Calving Interval (days) -2.92 -1.459 4.26
Survival (%) 2.23 1.117 2.49
Calving Sub Index -1.53
Gestation Length (days) 1.66 -0.919 -1.53
Beef Sub Index -2.31
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 8.53 -0.432 -3.68
Maintenance Sub Index Maint. Sub Index 6.62
Live WT (kg) -21.60 -0.307 6.62
Total Carbon Sub Index 13.92

* Based on an €80/tonne carbon price