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 4.68
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -4.62 -0.375 1.73
Prot (kg) -4.88 -0.441 2.15
Fertility Sub Index 1.31
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) 0.19 1.117 0.21
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.26
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.12 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 8.07

* Based on an €80/tonne carbon price