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 3.09
Milk (kg) -158.00 -0.014 2.21
Fat (kg) 1.23 -0.375 -0.46
Prot (kg) -3.03 -0.441 1.34
Fertility Sub Index 6.18
Calving Interval (days) -3.94 -1.459 5.75
Survival (%) 0.39 1.117 0.44
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index 3.75
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) -0.63 -0.432 0.27
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 17.72

* Based on an €80/tonne carbon price