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 1.89
Milk (kg) 75.00 -0.014 -1.05
Fat (kg) -4.77 -0.375 1.79
Prot (kg) -2.62 -0.441 1.16
Fertility Sub Index 0.21
Calving Interval (days) -0.19 -1.459 0.28
Survival (%) -0.06 1.117 -0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.21
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.96 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index 2.79

* Based on an €80/tonne carbon price