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 2.93
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -2.03 -0.375 0.76
Prot (kg) -1.39 -0.441 0.61
Fertility Sub Index 3.91
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) 0.99 1.117 1.11
Calving Sub Index 1.49
Gestation Length (days) -1.62 -0.919 1.49
Beef Sub Index -1.22
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index -2.82
Live WT (kg) 9.20 -0.307 -2.82
Total Carbon Sub Index 4.28

* Based on an €80/tonne carbon price