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 9.12
Milk (kg) -167.00 -0.014 2.34
Fat (kg) -6.82 -0.375 2.55
Prot (kg) -9.57 -0.441 4.22
Fertility Sub Index 2.82
Calving Interval (days) -1.56 -1.459 2.28
Survival (%) 0.49 1.117 0.55
Calving Sub Index 0.17
Gestation Length (days) -0.19 -0.919 0.17
Beef Sub Index 0.55
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index -0.29
Live WT (kg) 0.95 -0.307 -0.29
Total Carbon Sub Index 12.37

* Based on an €80/tonne carbon price