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) -37.00 -0.014 0.52
Fat (kg) -17.29 -0.375 6.48
Prot (kg) -9.09 -0.441 4.01
Fertility Sub Index 5.99
Calving Interval (days) -3.89 -1.459 5.68
Survival (%) 0.28 1.117 0.31
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index 0.16
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 0.48 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 19.18

* Based on an €80/tonne carbon price