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 6.77
Milk (kg) 39.00 -0.014 -0.55
Fat (kg) -11.59 -0.375 4.34
Prot (kg) -6.75 -0.441 2.98
Fertility Sub Index -2.57
Calving Interval (days) 1.42 -1.459 -2.07
Survival (%) -0.45 1.117 -0.50
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 0.86
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.19 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 8.20

* Based on an €80/tonne carbon price