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 10.39
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -11.57 -0.375 4.33
Prot (kg) -8.52 -0.441 3.76
Fertility Sub Index 6.08
Calving Interval (days) -2.70 -1.459 3.94
Survival (%) 1.92 1.117 2.15
Calving Sub Index -1.45
Gestation Length (days) 1.58 -0.919 -1.45
Beef Sub Index -2.31
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 8.15 -0.432 -3.52
Maintenance Sub Index Maint. Sub Index 6.35
Live WT (kg) -20.70 -0.307 6.35
Total Carbon Sub Index 19.06

* Based on an €80/tonne carbon price