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 13.14
Milk (kg) -435.00 -0.014 6.09
Fat (kg) -8.68 -0.375 3.25
Prot (kg) -8.60 -0.441 3.80
Fertility Sub Index 7.21
Calving Interval (days) -4.58 -1.459 6.68
Survival (%) 0.47 1.117 0.53
Calving Sub Index 2.05
Gestation Length (days) -2.23 -0.919 2.05
Beef Sub Index 2.39
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 1.19 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 28.86

* Based on an €80/tonne carbon price