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 1.40
Milk (kg) -32.00 -0.014 0.45
Fat (kg) 0.12 -0.375 -0.04
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index 8.47
Calving Interval (days) -4.51 -1.459 6.58
Survival (%) 1.69 1.117 1.89
Calving Sub Index 1.57
Gestation Length (days) -1.71 -0.919 1.57
Beef Sub Index 0.25
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 5.17 -0.432 -2.23
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index 12.79

* Based on an €80/tonne carbon price