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 1.57
Milk (kg) -181.00 -0.014 2.53
Fat (kg) 4.02 -0.375 -1.51
Prot (kg) -1.22 -0.441 0.54
Fertility Sub Index -2.92
Calving Interval (days) 3.62 -1.459 -5.28
Survival (%) 2.11 1.117 2.36
Calving Sub Index 2.15
Gestation Length (days) -2.34 -0.919 2.15
Beef Sub Index 3.67
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) -1.29 -0.432 0.56
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 6.05

* Based on an €80/tonne carbon price