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 1.38
Milk (kg) -11.00 -0.014 0.15
Fat (kg) -4.11 -0.375 1.54
Prot (kg) 0.70 -0.441 -0.31
Fertility Sub Index 4.74
Calving Interval (days) -2.10 -1.459 3.06
Survival (%) 1.50 1.117 1.68
Calving Sub Index -1.61
Gestation Length (days) 1.75 -0.919 -1.61
Beef Sub Index -2.09
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 6.43 -0.432 -2.78
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 7.45

* Based on an €80/tonne carbon price