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 3.58
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -3.43 -0.375 1.28
Prot (kg) -3.77 -0.441 1.66
Fertility Sub Index 1.47
Calving Interval (days) -1.29 -1.459 1.88
Survival (%) -0.37 1.117 -0.41
Calving Sub Index -0.28
Gestation Length (days) 0.31 -0.919 -0.28
Beef Sub Index 1.96
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 0.96 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 8.93

* Based on an €80/tonne carbon price