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 2.01
Milk (kg) -1.00 -0.014 0.01
Fat (kg) -5.94 -0.375 2.22
Prot (kg) 0.52 -0.441 -0.23
Fertility Sub Index 2.24
Calving Interval (days) -1.29 -1.459 1.88
Survival (%) 0.32 1.117 0.36
Calving Sub Index -0.42
Gestation Length (days) 0.46 -0.919 -0.42
Beef Sub Index -5.31
Carcass Weight (kg) 7.20 -0.528 -3.80
Age of Slaughter (days) 3.50 -0.432 -1.51
Maintenance Sub Index Maint. Sub Index -2.61
Live WT (kg) 8.50 -0.307 -2.61
Total Carbon Sub Index -4.09

* Based on an €80/tonne carbon price