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 1.46
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -1.45 -0.375 0.54
Prot (kg) -1.54 -0.441 0.68
Fertility Sub Index 4.86
Calving Interval (days) -2.62 -1.459 3.82
Survival (%) 0.93 1.117 1.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.13
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 8.59

* Based on an €80/tonne carbon price