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 22.04
Milk (kg) -694.00 -0.014 9.72
Fat (kg) -13.88 -0.375 5.20
Prot (kg) -16.14 -0.441 7.12
Fertility Sub Index 6.50
Calving Interval (days) -3.94 -1.459 5.75
Survival (%) 0.67 1.117 0.75
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index 0.53
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 0.48 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 31.40

* Based on an €80/tonne carbon price