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 8.77
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -10.05 -0.375 3.76
Prot (kg) -6.13 -0.441 2.71
Fertility Sub Index 5.53
Calving Interval (days) -2.31 -1.459 3.37
Survival (%) 1.93 1.117 2.16
Calving Sub Index -1.11
Gestation Length (days) 1.21 -0.919 -1.11
Beef Sub Index -2.29
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 6.17 -0.432 -2.66
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 13.74

* Based on an €80/tonne carbon price