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 9.47
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -4.32 -0.375 1.62
Prot (kg) -13.18 -0.441 5.82
Fertility Sub Index 1.61
Calving Interval (days) -0.84 -1.459 1.23
Survival (%) 0.34 1.117 0.38
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.23
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.48 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 11.76

* Based on an €80/tonne carbon price