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 12.26
Milk (kg) -314.00 -0.014 4.40
Fat (kg) -10.12 -0.375 3.79
Prot (kg) -9.23 -0.441 4.07
Fertility Sub Index 5.69
Calving Interval (days) -3.35 -1.459 4.89
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.05
Gestation Length (days) -0.05 -0.919 0.05
Beef Sub Index 0.71
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.17 -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 21.56

* Based on an €80/tonne carbon price