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 1.58
Milk (kg) -58.00 -0.014 0.81
Fat (kg) -1.40 -0.375 0.52
Prot (kg) -0.55 -0.441 0.24
Fertility Sub Index -0.79
Calving Interval (days) 1.37 -1.459 -2.00
Survival (%) 1.08 1.117 1.21
Calving Sub Index -0.67
Gestation Length (days) 0.73 -0.919 -0.67
Beef Sub Index -1.28
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 6.51 -0.432 -2.81
Maintenance Sub Index Maint. Sub Index 5.73
Live WT (kg) -18.70 -0.307 5.73
Total Carbon Sub Index 4.57

* Based on an €80/tonne carbon price