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 4.82
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -3.29 -0.375 1.23
Prot (kg) -4.46 -0.441 1.97
Fertility Sub Index 4.18
Calving Interval (days) -2.16 -1.459 3.15
Survival (%) 0.92 1.117 1.03
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.61
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 3.71 -0.432 -1.60
Maintenance Sub Index Maint. Sub Index 6.68
Live WT (kg) -21.80 -0.307 6.68
Total Carbon Sub Index 21.26

* Based on an €80/tonne carbon price