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 -2.05
Milk (kg) 6.00 -0.014 -0.08
Fat (kg) 3.84 -0.375 -1.44
Prot (kg) 1.19 -0.441 -0.53
Fertility Sub Index -0.27
Calving Interval (days) 0.99 -1.459 -1.44
Survival (%) 1.05 1.117 1.17
Calving Sub Index 0.97
Gestation Length (days) -1.06 -0.919 0.97
Beef Sub Index 4.51
Carcass Weight (kg) -11.90 -0.528 6.28
Age of Slaughter (days) 4.09 -0.432 -1.77
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 6.85

* Based on an €80/tonne carbon price