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 1.27
Milk (kg) -82.00 -0.014 1.15
Fat (kg) 4.40 -0.375 -1.65
Prot (kg) -4.02 -0.441 1.77
Fertility Sub Index 0.04
Calving Interval (days) -0.14 -1.459 0.20
Survival (%) -0.15 1.117 -0.17
Calving Sub Index 0.41
Gestation Length (days) -0.45 -0.919 0.41
Beef Sub Index 0.09
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.24 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 2.95

* Based on an €80/tonne carbon price