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 2.00
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -1.61 -0.375 0.60
Prot (kg) 0.55 -0.441 -0.24
Fertility Sub Index -7.04
Calving Interval (days) 3.59 -1.459 -5.24
Survival (%) -1.61 1.117 -1.80
Calving Sub Index 0.20
Gestation Length (days) -0.22 -0.919 0.20
Beef Sub Index -0.29
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.51 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index -4.82

* Based on an €80/tonne carbon price