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 0.53
Milk (kg) -144.00 -0.014 2.02
Fat (kg) 4.28 -0.375 -1.60
Prot (kg) -0.27 -0.441 0.12
Fertility Sub Index 6.48
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 1.50 1.117 1.68
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.02
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -0.90 -0.432 0.39
Maintenance Sub Index Maint. Sub Index 5.92
Live WT (kg) -19.30 -0.307 5.92
Total Carbon Sub Index 17.73

* Based on an €80/tonne carbon price