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 7.15
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -5.92 -0.375 2.22
Prot (kg) -5.52 -0.441 2.44
Fertility Sub Index 8.95
Calving Interval (days) -5.22 -1.459 7.62
Survival (%) 1.19 1.117 1.33
Calving Sub Index 1.95
Gestation Length (days) -2.12 -0.919 1.95
Beef Sub Index 3.06
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) -2.20 -0.432 0.95
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 22.70

* Based on an €80/tonne carbon price