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 -4.08
Milk (kg) -37.00 -0.014 0.52
Fat (kg) 11.25 -0.375 -4.21
Prot (kg) 0.87 -0.441 -0.38
Fertility Sub Index 6.84
Calving Interval (days) -3.37 -1.459 4.92
Survival (%) 1.72 1.117 1.92
Calving Sub Index 1.94
Gestation Length (days) -2.11 -0.919 1.94
Beef Sub Index -1.03
Carcass Weight (kg) 2.30 -0.528 -1.21
Age of Slaughter (days) -0.42 -0.432 0.18
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 3.79

* Based on an €80/tonne carbon price