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 3.38
Milk (kg) -207.00 -0.014 2.90
Fat (kg) 1.21 -0.375 -0.45
Prot (kg) -2.12 -0.441 0.94
Fertility Sub Index 2.29
Calving Interval (days) -1.36 -1.459 1.98
Survival (%) 0.27 1.117 0.30
Calving Sub Index 1.19
Gestation Length (days) -1.29 -0.919 1.19
Beef Sub Index 0.35
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 0.17 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 9.69

* Based on an €80/tonne carbon price