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 2.67
Milk (kg) 12.00 -0.014 -0.17
Fat (kg) -5.10 -0.375 1.91
Prot (kg) -2.10 -0.441 0.93
Fertility Sub Index 2.63
Calving Interval (days) -1.34 -1.459 1.96
Survival (%) 0.60 1.117 0.67
Calving Sub Index -2.15
Gestation Length (days) 2.34 -0.919 -2.15
Beef Sub Index -0.84
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 3.78 -0.432 -1.63
Maintenance Sub Index Maint. Sub Index 5.21
Live WT (kg) -17.00 -0.307 5.21
Total Carbon Sub Index 7.52

* Based on an €80/tonne carbon price