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 12.27
Milk (kg) -249.00 -0.014 3.49
Fat (kg) -13.34 -0.375 5.00
Prot (kg) -8.59 -0.441 3.79
Fertility Sub Index 2.75
Calving Interval (days) -0.89 -1.459 1.30
Survival (%) 1.30 1.117 1.45
Calving Sub Index -1.31
Gestation Length (days) 1.43 -0.919 -1.31
Beef Sub Index -4.10
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) 6.33 -0.432 -2.73
Maintenance Sub Index Maint. Sub Index -0.09
Live WT (kg) 0.30 -0.307 -0.09
Total Carbon Sub Index 9.52

* Based on an €80/tonne carbon price