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 2.98
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -1.80 -0.375 0.67
Prot (kg) -1.57 -0.441 0.69
Fertility Sub Index -0.58
Calving Interval (days) 1.21 -1.459 -1.77
Survival (%) 1.06 1.117 1.18
Calving Sub Index -0.96
Gestation Length (days) 1.04 -0.919 -0.96
Beef Sub Index -1.48
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 6.36 -0.432 -2.75
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 4.52

* Based on an €80/tonne carbon price