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 7.89
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -6.16 -0.375 2.31
Prot (kg) -8.34 -0.441 3.68
Fertility Sub Index 1.29
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) -0.41 1.117 -0.46
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.85
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.23 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 10.71

* Based on an €80/tonne carbon price