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 4.50
Milk (kg) 16.00 -0.014 -0.22
Fat (kg) -6.15 -0.375 2.30
Prot (kg) -5.49 -0.441 2.42
Fertility Sub Index 4.28
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) 0.17 1.117 0.19
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.40
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) -0.56 -0.432 0.24
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 10.76

* Based on an €80/tonne carbon price