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 20.94
Milk (kg) -540.00 -0.014 7.56
Fat (kg) -18.06 -0.375 6.76
Prot (kg) -15.00 -0.441 6.62
Fertility Sub Index 1.17
Calving Interval (days) -0.46 -1.459 0.67
Survival (%) 0.45 1.117 0.50
Calving Sub Index -1.40
Gestation Length (days) 1.52 -0.919 -1.40
Beef Sub Index -2.23
Carcass Weight (kg) 2.70 -0.528 -1.42
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index -1.07
Live WT (kg) 3.50 -0.307 -1.07
Total Carbon Sub Index 17.42

* Based on an €80/tonne carbon price