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 7.76
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -5.62 -0.375 2.11
Prot (kg) -7.76 -0.441 3.42
Fertility Sub Index 1.17
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) 0.13 1.117 0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.46
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 10.73

* Based on an €80/tonne carbon price