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 1.07
Milk (kg) -23.00 -0.014 0.32
Fat (kg) -0.85 -0.375 0.32
Prot (kg) -0.97 -0.441 0.43
Fertility Sub Index 2.88
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 0.36 1.117 0.40
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.79
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.47 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 7.00

* Based on an €80/tonne carbon price