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 3.80
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -3.58 -0.375 1.34
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 3.36
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 1.64 1.117 1.83
Calving Sub Index -0.24
Gestation Length (days) 0.26 -0.919 -0.24
Beef Sub Index -4.29
Carcass Weight (kg) 6.50 -0.528 -3.43
Age of Slaughter (days) 2.00 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 3.80

* Based on an €80/tonne carbon price