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 9.36
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -10.21 -0.375 3.82
Prot (kg) -7.85 -0.441 3.46
Fertility Sub Index 5.14
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) -0.51 1.117 -0.57
Calving Sub Index -0.08
Gestation Length (days) 0.09 -0.919 -0.08
Beef Sub Index 1.48
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.85 -0.432 -0.37
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 18.22

* Based on an €80/tonne carbon price