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 3.67
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -2.76 -0.375 1.03
Prot (kg) -5.28 -0.441 2.33
Fertility Sub Index 0.42
Calving Interval (days) -0.68 -1.459 0.99
Survival (%) -0.51 1.117 -0.57
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index 0.96
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.29 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 4.95

* Based on an €80/tonne carbon price