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 11.08
Milk (kg) -360.00 -0.014 5.04
Fat (kg) -10.12 -0.375 3.79
Prot (kg) -5.10 -0.441 2.25
Fertility Sub Index -0.77
Calving Interval (days) 0.68 -1.459 -0.99
Survival (%) 0.20 1.117 0.22
Calving Sub Index 1.29
Gestation Length (days) -1.40 -0.919 1.29
Beef Sub Index -2.52
Carcass Weight (kg) 7.80 -0.528 -4.11
Age of Slaughter (days) -3.70 -0.432 1.60
Maintenance Sub Index Maint. Sub Index -1.53
Live WT (kg) 5.00 -0.307 -1.53
Total Carbon Sub Index 7.55

* Based on an €80/tonne carbon price