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 11.92
Milk (kg) -261.00 -0.014 3.65
Fat (kg) -8.73 -0.375 3.27
Prot (kg) -11.31 -0.441 4.99
Fertility Sub Index 0.71
Calving Interval (days) -0.20 -1.459 0.29
Survival (%) 0.37 1.117 0.41
Calving Sub Index -0.21
Gestation Length (days) 0.23 -0.919 -0.21
Beef Sub Index -0.63
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 2.67 -0.432 -1.15
Maintenance Sub Index Maint. Sub Index -1.13
Live WT (kg) 3.70 -0.307 -1.13
Total Carbon Sub Index 10.65

* Based on an €80/tonne carbon price