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 2.61
Calving Interval (days) -1.10 -1.459 1.60
Survival (%) 0.90 1.117 1.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.24
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index -0.21
Live WT (kg) 0.70 -0.307 -0.21
Total Carbon Sub Index 9.49

* Based on an €80/tonne carbon price