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 4.44
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -3.74 -0.375 1.40
Prot (kg) -2.31 -0.441 1.02
Fertility Sub Index -0.07
Calving Interval (days) 1.15 -1.459 -1.68
Survival (%) 1.44 1.117 1.61
Calving Sub Index -1.44
Gestation Length (days) 1.57 -0.919 -1.44
Beef Sub Index -2.17
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 4.06 -0.432 -1.75
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 2.40

* Based on an €80/tonne carbon price