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 4.29
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -2.45 -0.375 0.92
Prot (kg) -4.27 -0.441 1.88
Fertility Sub Index 0.85
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) -0.05 1.117 -0.06
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.38
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.69 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 6.27

* Based on an €80/tonne carbon price