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 4.25
Milk (kg) 12.00 -0.014 -0.17
Fat (kg) -6.52 -0.375 2.44
Prot (kg) -4.47 -0.441 1.97
Fertility Sub Index -9.29
Calving Interval (days) 4.31 -1.459 -6.29
Survival (%) -2.69 1.117 -3.01
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index 0.54
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 3.26 -0.432 -1.41
Maintenance Sub Index Maint. Sub Index -0.12
Live WT (kg) 0.40 -0.307 -0.12
Total Carbon Sub Index -3.97

* Based on an €80/tonne carbon price