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 2.49
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -4.22 -0.375 1.58
Prot (kg) -0.96 -0.441 0.42
Fertility Sub Index 0.80
Calving Interval (days) -0.80 -1.459 1.17
Survival (%) -0.33 1.117 -0.37
Calving Sub Index -1.21
Gestation Length (days) 1.32 -0.919 -1.21
Beef Sub Index -4.36
Carcass Weight (kg) 6.70 -0.528 -3.53
Age of Slaughter (days) 1.92 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index -1.47
Live WT (kg) 4.80 -0.307 -1.47
Total Carbon Sub Index -3.75

* Based on an €80/tonne carbon price