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 7.66
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -5.37 -0.375 2.01
Prot (kg) -7.72 -0.441 3.41
Fertility Sub Index 0.97
Calving Interval (days) -0.72 -1.459 1.05
Survival (%) -0.07 1.117 -0.08
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index 0.22
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.19 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index 9.94

* Based on an €80/tonne carbon price