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 7.62
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -8.21 -0.375 3.08
Prot (kg) -5.36 -0.441 2.37
Fertility Sub Index 9.34
Calving Interval (days) -4.96 -1.459 7.24
Survival (%) 1.88 1.117 2.10
Calving Sub Index 1.41
Gestation Length (days) -1.53 -0.919 1.41
Beef Sub Index -0.56
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 0.44 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 19.55

* Based on an €80/tonne carbon price