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 5.13
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -3.87 -0.375 1.45
Prot (kg) -3.75 -0.441 1.66
Fertility Sub Index 0.57
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) -0.21 1.117 -0.23
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.55
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 8.00

* Based on an €80/tonne carbon price