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 7.04
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -7.30 -0.375 2.73
Prot (kg) -5.10 -0.441 2.25
Fertility Sub Index 5.93
Calving Interval (days) -2.51 -1.459 3.66
Survival (%) 2.03 1.117 2.27
Calving Sub Index -0.52
Gestation Length (days) 0.57 -0.919 -0.52
Beef Sub Index 2.68
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) -1.08 -0.432 0.47
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 18.75

* Based on an €80/tonne carbon price