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 21.32
Milk (kg) -350.00 -0.014 4.90
Fat (kg) -23.57 -0.375 8.83
Prot (kg) -17.19 -0.441 7.59
Fertility Sub Index 7.05
Calving Interval (days) -3.08 -1.459 4.49
Survival (%) 2.29 1.117 2.56
Calving Sub Index -1.41
Gestation Length (days) 1.53 -0.919 -1.41
Beef Sub Index -2.27
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 7.94 -0.432 -3.43
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 30.80

* Based on an €80/tonne carbon price