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 3.36
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -5.60 -0.375 2.10
Prot (kg) -1.94 -0.441 0.86
Fertility Sub Index 5.50
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 0.99 1.117 1.11
Calving Sub Index 0.26
Gestation Length (days) -0.28 -0.919 0.26
Beef Sub Index 1.42
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.13 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 13.91

* Based on an €80/tonne carbon price