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 3.86
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -4.37 -0.375 1.64
Prot (kg) -3.25 -0.441 1.43
Fertility Sub Index 6.03
Calving Interval (days) -2.64 -1.459 3.85
Survival (%) 1.95 1.117 2.18
Calving Sub Index -1.46
Gestation Length (days) 1.59 -0.919 -1.46
Beef Sub Index -2.31
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 8.28 -0.432 -3.57
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 12.00

* Based on an €80/tonne carbon price