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 4.09
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -3.99 -0.375 1.49
Prot (kg) -3.83 -0.441 1.69
Fertility Sub Index 2.78
Calving Interval (days) -1.52 -1.459 2.22
Survival (%) 0.50 1.117 0.56
Calving Sub Index -0.36
Gestation Length (days) 0.39 -0.919 -0.36
Beef Sub Index 0.20
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.48 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 7.87

* Based on an €80/tonne carbon price