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 4.07
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -2.17 -0.375 0.81
Prot (kg) -3.79 -0.441 1.67
Fertility Sub Index 2.90
Calving Interval (days) -1.60 -1.459 2.33
Survival (%) 0.51 1.117 0.57
Calving Sub Index -0.04
Gestation Length (days) 0.04 -0.919 -0.04
Beef Sub Index -0.01
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 1.01 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index -1.04
Live WT (kg) 3.40 -0.307 -1.04
Total Carbon Sub Index 5.88

* Based on an €80/tonne carbon price