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 -2.38
Milk (kg) 10.00 -0.014 -0.14
Fat (kg) 6.86 -0.375 -2.57
Prot (kg) -0.74 -0.441 0.33
Fertility Sub Index -0.84
Calving Interval (days) 1.58 -1.459 -2.31
Survival (%) 1.31 1.117 1.46
Calving Sub Index -1.45
Gestation Length (days) 1.58 -0.919 -1.45
Beef Sub Index 2.86
Carcass Weight (kg) -7.50 -0.528 3.96
Age of Slaughter (days) 2.55 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 0.45

* Based on an €80/tonne carbon price