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 2.79
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -2.12 -0.375 0.79
Prot (kg) -2.71 -0.441 1.20
Fertility Sub Index 0.20
Calving Interval (days) -0.09 -1.459 0.13
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.10
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.23 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 5.38

* Based on an €80/tonne carbon price