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 6.12
Milk (kg) -143.00 -0.014 2.00
Fat (kg) -7.39 -0.375 2.77
Prot (kg) -3.07 -0.441 1.35
Fertility Sub Index -0.89
Calving Interval (days) 1.44 -1.459 -2.10
Survival (%) 1.08 1.117 1.21
Calving Sub Index -0.76
Gestation Length (days) 0.83 -0.919 -0.76
Beef Sub Index -1.06
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 6.01 -0.432 -2.59
Maintenance Sub Index Maint. Sub Index 5.00
Live WT (kg) -16.30 -0.307 5.00
Total Carbon Sub Index 8.40

* Based on an €80/tonne carbon price