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 6.63
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -7.18 -0.375 2.69
Prot (kg) -4.72 -0.441 2.08
Fertility Sub Index -3.65
Calving Interval (days) 1.13 -1.459 -1.65
Survival (%) -1.79 1.117 -2.00
Calving Sub Index 1.31
Gestation Length (days) -1.42 -0.919 1.31
Beef Sub Index -3.57
Carcass Weight (kg) 9.90 -0.528 -5.22
Age of Slaughter (days) -3.83 -0.432 1.65
Maintenance Sub Index Maint. Sub Index -7.36
Live WT (kg) 24.00 -0.307 -7.36
Total Carbon Sub Index -6.64

* Based on an €80/tonne carbon price