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 8.61
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -5.38 -0.375 2.02
Prot (kg) -10.24 -0.441 4.52
Fertility Sub Index 2.74
Calving Interval (days) -1.22 -1.459 1.78
Survival (%) 0.86 1.117 0.96
Calving Sub Index -0.14
Gestation Length (days) 0.15 -0.919 -0.14
Beef Sub Index -0.04
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.17 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index -3.80
Live WT (kg) 12.40 -0.307 -3.80
Total Carbon Sub Index 7.37

* Based on an €80/tonne carbon price