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 1.19
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -1.97 -0.375 0.74
Prot (kg) -0.51 -0.441 0.23
Fertility Sub Index 4.28
Calving Interval (days) -3.20 -1.459 4.67
Survival (%) -0.35 1.117 -0.39
Calving Sub Index -1.01
Gestation Length (days) 1.10 -0.919 -1.01
Beef Sub Index 2.42
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) -4.51 -0.432 1.95
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 9.02

* Based on an €80/tonne carbon price