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 -6.05
Milk (kg) 191.00 -0.014 -2.67
Fat (kg) 11.46 -0.375 -4.29
Prot (kg) -2.08 -0.441 0.92
Fertility Sub Index -0.82
Calving Interval (days) 0.33 -1.459 -0.48
Survival (%) -0.30 1.117 -0.34
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.80
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 0.59 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index -3.72

* Based on an €80/tonne carbon price