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 4.56
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -5.10 -0.375 1.91
Prot (kg) -3.63 -0.441 1.60
Fertility Sub Index 2.69
Calving Interval (days) -1.43 -1.459 2.09
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.00
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 9.71

* Based on an €80/tonne carbon price