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 6.10
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -6.83 -0.375 2.56
Prot (kg) -5.39 -0.441 2.38
Fertility Sub Index 1.60
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) 0.52 1.117 0.58
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 2.84
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.80 -0.432 1.21
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 20.54

* Based on an €80/tonne carbon price