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 10.23
Milk (kg) -194.00 -0.014 2.72
Fat (kg) -7.93 -0.375 2.97
Prot (kg) -10.30 -0.441 4.55
Fertility Sub Index 1.43
Calving Interval (days) -0.85 -1.459 1.24
Survival (%) 0.17 1.117 0.19
Calving Sub Index 0.43
Gestation Length (days) -0.47 -0.919 0.43
Beef Sub Index 0.03
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.00 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 14.21

* Based on an €80/tonne carbon price