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 8.28
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -7.76 -0.375 2.91
Prot (kg) -6.84 -0.441 3.02
Fertility Sub Index 3.57
Calving Interval (days) -1.79 -1.459 2.61
Survival (%) 0.86 1.117 0.96
Calving Sub Index -0.51
Gestation Length (days) 0.55 -0.919 -0.51
Beef Sub Index -1.92
Carcass Weight (kg) 3.10 -0.528 -1.64
Age of Slaughter (days) 0.67 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 0.71
Live WT (kg) -2.30 -0.307 0.71
Total Carbon Sub Index 10.12

* Based on an €80/tonne carbon price