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 0.51
Milk (kg) -83.00 -0.014 1.16
Fat (kg) 0.41 -0.375 -0.15
Prot (kg) 1.12 -0.441 -0.49
Fertility Sub Index 1.95
Calving Interval (days) 0.72 -1.459 -1.05
Survival (%) 2.69 1.117 3.01
Calving Sub Index -1.70
Gestation Length (days) 1.85 -0.919 -1.70
Beef Sub Index -3.25
Carcass Weight (kg) 1.90 -0.528 -1.00
Age of Slaughter (days) 5.21 -0.432 -2.25
Maintenance Sub Index Maint. Sub Index 0.46
Live WT (kg) -1.50 -0.307 0.46
Total Carbon Sub Index -2.02

* Based on an €80/tonne carbon price