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 2.42
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -1.24 -0.375 0.46
Prot (kg) -2.06 -0.441 0.91
Fertility Sub Index 3.79
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 1.17 1.117 1.31
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.21
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 14.48

* Based on an €80/tonne carbon price