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 10.11
Milk (kg) -197.00 -0.014 2.76
Fat (kg) -8.86 -0.375 3.32
Prot (kg) -9.14 -0.441 4.03
Fertility Sub Index 6.21
Calving Interval (days) -4.94 -1.459 7.21
Survival (%) -0.89 1.117 -0.99
Calving Sub Index -2.27
Gestation Length (days) 2.47 -0.919 -2.27
Beef Sub Index 2.28
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -2.34 -0.432 1.01
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 19.21

* Based on an €80/tonne carbon price