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 5.67
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -7.44 -0.375 2.79
Prot (kg) -3.78 -0.441 1.67
Fertility Sub Index 2.97
Calving Interval (days) -1.13 -1.459 1.65
Survival (%) 1.18 1.117 1.32
Calving Sub Index -0.73
Gestation Length (days) 0.79 -0.919 -0.73
Beef Sub Index -2.97
Carcass Weight (kg) 2.90 -0.528 -1.53
Age of Slaughter (days) 3.34 -0.432 -1.44
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 6.66

* Based on an €80/tonne carbon price