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 11.01
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -6.22 -0.375 2.33
Prot (kg) -14.20 -0.441 6.27
Fertility Sub Index 0.94
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.12 1.117 0.13
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.17
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 13.63

* Based on an €80/tonne carbon price