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 10.45
Milk (kg) -167.00 -0.014 2.34
Fat (kg) -11.49 -0.375 4.30
Prot (kg) -8.63 -0.441 3.81
Fertility Sub Index 6.06
Calving Interval (days) -2.74 -1.459 4.00
Survival (%) 1.85 1.117 2.07
Calving Sub Index -1.52
Gestation Length (days) 1.65 -0.919 -1.52
Beef Sub Index -2.35
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 7.65 -0.432 -3.30
Maintenance Sub Index Maint. Sub Index 6.04
Live WT (kg) -19.70 -0.307 6.04
Total Carbon Sub Index 18.69

* Based on an €80/tonne carbon price