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 9.96
Milk (kg) -179.00 -0.014 2.51
Fat (kg) -11.77 -0.375 4.41
Prot (kg) -6.89 -0.441 3.04
Fertility Sub Index 3.46
Calving Interval (days) -1.97 -1.459 2.87
Survival (%) 0.52 1.117 0.58
Calving Sub Index -2.12
Gestation Length (days) 2.31 -0.919 -2.12
Beef Sub Index -2.50
Carcass Weight (kg) 4.80 -0.528 -2.53
Age of Slaughter (days) -0.07 -0.432 0.03
Maintenance Sub Index Maint. Sub Index -1.47
Live WT (kg) 4.80 -0.307 -1.47
Total Carbon Sub Index 7.31

* Based on an €80/tonne carbon price