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 -7.11
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) 11.25 -0.375 -4.21
Prot (kg) 6.28 -0.441 -2.77
Fertility Sub Index 7.10
Calving Interval (days) -3.31 -1.459 4.83
Survival (%) 2.03 1.117 2.27
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.08
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 2.14 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 8.39

* Based on an €80/tonne carbon price