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 9.03
Milk (kg) -281.00 -0.014 3.93
Fat (kg) -6.35 -0.375 2.38
Prot (kg) -6.15 -0.441 2.71
Fertility Sub Index 1.21
Calving Interval (days) -0.64 -1.459 0.93
Survival (%) 0.25 1.117 0.28
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.07
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.54 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 11.87

* Based on an €80/tonne carbon price