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 2.82
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -2.21 -0.375 0.83
Prot (kg) -4.33 -0.441 1.91
Fertility Sub Index 0.54
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) -0.43 1.117 -0.48
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.94
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 2.21 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index 3.93

* Based on an €80/tonne carbon price