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 8.81
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -7.29 -0.375 2.73
Prot (kg) -7.97 -0.441 3.52
Fertility Sub Index 2.49
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 0.86 1.117 0.96
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.13
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index -0.06
Live WT (kg) 0.20 -0.307 -0.06
Total Carbon Sub Index 9.63

* Based on an €80/tonne carbon price