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 4.07
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -3.10 -0.375 1.16
Prot (kg) -1.99 -0.441 0.88
Fertility Sub Index 2.59
Calving Interval (days) -1.30 -1.459 1.90
Survival (%) 0.62 1.117 0.69
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.62
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 11.31

* Based on an €80/tonne carbon price