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 4.80
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -4.59 -0.375 1.72
Prot (kg) -3.39 -0.441 1.50
Fertility Sub Index 2.86
Calving Interval (days) -1.53 -1.459 2.23
Survival (%) 0.56 1.117 0.63
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.27
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 9.08

* Based on an €80/tonne carbon price