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 16.04
Milk (kg) -313.00 -0.014 4.38
Fat (kg) -17.45 -0.375 6.54
Prot (kg) -11.61 -0.441 5.12
Fertility Sub Index 11.82
Calving Interval (days) -6.60 -1.459 9.63
Survival (%) 1.96 1.117 2.19
Calving Sub Index -0.24
Gestation Length (days) 0.26 -0.919 -0.24
Beef Sub Index -2.00
Carcass Weight (kg) 2.90 -0.528 -1.53
Age of Slaughter (days) 1.10 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 28.35

* Based on an €80/tonne carbon price