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 4.08
Milk (kg) -179.00 -0.014 2.51
Fat (kg) 0.71 -0.375 -0.27
Prot (kg) -4.17 -0.441 1.84
Fertility Sub Index 3.96
Calving Interval (days) -1.57 -1.459 2.29
Survival (%) 1.49 1.117 1.66
Calving Sub Index 2.16
Gestation Length (days) -2.35 -0.919 2.16
Beef Sub Index 5.50
Carcass Weight (kg) -10.80 -0.528 5.70
Age of Slaughter (days) 0.46 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 7.33
Live WT (kg) -23.90 -0.307 7.33
Total Carbon Sub Index 23.02

* Based on an €80/tonne carbon price